Dell PowerSwitch S6010-ON User Manual

Dell Conguration Guide for the S6010–ON System

9.14.0.0

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

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2018 - 07

Rev. A00

Contents

1 About this Guide...........................................................................................................................................36

Audience........................................................................................................................................................................... 36

Conventions......................................................................................................................................................................36

Related Documents......................................................................................................................................................... 36

2 Conguration Fundamentals........................................................................................................................ 37

Accessing the Command Line........................................................................................................................................ 37

CLI Modes.........................................................................................................................................................................37

Navigating CLI Modes...............................................................................................................................................39

The do Command............................................................................................................................................................ 42

Undoing Commands........................................................................................................................................................ 42

Obtaining Help..................................................................................................................................................................43

Entering and Editing Commands....................................................................................................................................43

Command History............................................................................................................................................................ 44

Filtering show Command Outputs.................................................................................................................................44

Example of the grep Keyword..................................................................................................................................44

Multiple Users in Conguration Mode...........................................................................................................................45

3 Getting Started............................................................................................................................................46

Console Access................................................................................................................................................................ 47

Serial Console............................................................................................................................................................. 47

Default Conguration...................................................................................................................................................... 48

Conguring a Host Name............................................................................................................................................... 48

Accessing the System Remotely....................................................................................................................................48

Accessing the System Remotely..............................................................................................................................49

Congure the Management Port IP Address.........................................................................................................49

Congure a Management Route..............................................................................................................................49

Conguring a Username and Password..................................................................................................................49

Conguring the Enable Password..................................................................................................................................50

Conguration File Management......................................................................................................................................51

Copy Files to and from the System..........................................................................................................................51

Mounting an NFS File System..................................................................................................................................52

Save the Running-Conguration..............................................................................................................................53

Congure the Overload Bit for a Startup Scenario............................................................................................... 54

Viewing Files...............................................................................................................................................................54

Managing the File System.............................................................................................................................................. 55

View Command History.................................................................................................................................................. 55

Upgrading Dell EMC Networking OS............................................................................................................................ 56

Using HTTP for File Transfers........................................................................................................................................56

Verify Software Images Before Installation...................................................................................................................57

4 Management............................................................................................................................................... 58

Contents

Conguring Privilege Levels........................................................................................................................................... 58

Creating a Custom Privilege Level...........................................................................................................................59

Removing a Command from EXEC Mode..............................................................................................................59

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................59

Allowing Access to CONFIGURATION Mode Commands....................................................................................59

Allowing Access to Dierent Modes........................................................................................................................59

Applying a Privilege Level to a Username................................................................................................................61

Applying a Privilege Level to a Terminal Line...........................................................................................................61

Conguring Logging......................................................................................................................................................... 61

Audit and Security Logs............................................................................................................................................62

Conguring Logging Format ...................................................................................................................................63

Setting Up a Secure Connection to a Syslog Server.............................................................................................63

Log Messages in the Internal Buer..............................................................................................................................65

Conguration Task List for System Log Management..........................................................................................65

Disabling System Logging...............................................................................................................................................65

Sending System Messages to a Syslog Server............................................................................................................65

Conguring a UNIX System as a Syslog Server.....................................................................................................65

Track Login Activity......................................................................................................................................................... 66

Restrictions for Tracking Login Activity.................................................................................................................. 66

Conguring Login Activity Tracking......................................................................................................................... 66

Display Login Statistics..............................................................................................................................................67

Limit Concurrent Login Sessions....................................................................................................................................68

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 68

Conguring Concurrent Session Limit.....................................................................................................................68

Enabling the System to Clear Existing Sessions....................................................................................................69

Enabling Secured CLI Mode........................................................................................................................................... 70

Changing System Logging Settings...............................................................................................................................70

Display the Logging Buer and the Logging Conguration.........................................................................................71

Conguring a UNIX Logging Facility Level.....................................................................................................................71

Synchronizing Log Messages......................................................................................................................................... 72

Enabling Timestamp on Syslog Messages.................................................................................................................... 73

File Transfer Services.......................................................................................................................................................73

Conguration Task List for File Transfer Services.................................................................................................. 74

Enabling the FTP Server........................................................................................................................................... 74

Conguring FTP Server Parameters........................................................................................................................74

Conguring FTP Client Parameters.........................................................................................................................75

Terminal Lines................................................................................................................................................................... 75

Denying and Permitting Access to a Terminal Line................................................................................................ 75

Conguring Login Authentication for Terminal Lines.............................................................................................76

Setting Timeout for EXEC Privilege Mode....................................................................................................................77

Using Telnet to get to Another Network Device..........................................................................................................78

Lock CONFIGURATION Mode....................................................................................................................................... 78

Viewing the Conguration Lock Status...................................................................................................................78

Restoring the Factory Default Settings.........................................................................................................................79

Important Points to Remember................................................................................................................................79

Contents

Restoring Factory Default Environment Variables.................................................................................................80

Viewing the Reason for Last System Reboot............................................................................................................... 81

5 802.1X..........................................................................................................................................................82

Port-Authentication Process..........................................................................................................................................84

EAP over RADIUS......................................................................................................................................................84

Conguring 802.1X...........................................................................................................................................................85

Related Conguration Tasks..................................................................................................................................... 85

Important Points to Remember......................................................................................................................................85

Enabling 802.1X................................................................................................................................................................ 86

Conguring Request Identity Re-Transmissions...........................................................................................................87

Conguring a Quiet Period after a Failed Authentication..................................................................................... 88

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 89

Re-Authenticating a Port................................................................................................................................................89

Conguring Timeouts......................................................................................................................................................90

Conguring Dynamic VLAN Assignment with Port Authentication........................................................................... 91

Guest and Authentication-Fail VLANs.......................................................................................................................... 92

Conguring a Guest VLAN....................................................................................................................................... 93

Conguring an Authentication-Fail VLAN...............................................................................................................93

6 Access Control Lists (ACLs)........................................................................................................................ 95

IP Access Control Lists (ACLs)...................................................................................................................................... 96

CAM Usage.................................................................................................................................................................97

Implementing ACLs on Dell EMC Networking OS..................................................................................................97

Important Points to Remember......................................................................................................................................99

Conguration Task List for Route Maps..................................................................................................................99

Conguring Match Routes.......................................................................................................................................101

Conguring Set Conditions..................................................................................................................................... 103

Congure a Route Map for Route Redistribution.................................................................................................104

Congure a Route Map for Route Tagging........................................................................................................... 104

Continue Clause....................................................................................................................................................... 105

IP Fragment Handling.................................................................................................................................................... 105

IP Fragments ACL Examples...................................................................................................................................105

Layer 4 ACL Rules Examples...................................................................................................................................106

Congure a Standard IP ACL........................................................................................................................................106

Conguring a Standard IP ACL Filter..................................................................................................................... 107

Congure an Extended IP ACL..................................................................................................................................... 108

Conguring Filters with a Sequence Number.......................................................................................................108

Conguring Filters Without a Sequence Number................................................................................................. 110

Congure Layer 2 and Layer 3 ACLs............................................................................................................................. 111

Assign an IP ACL to an Interface................................................................................................................................... 111

Applying an IP ACL.......................................................................................................................................................... 111

Counting ACL Hits.....................................................................................................................................................112

Congure Ingress ACLs..................................................................................................................................................112

Congure Egress ACLs...................................................................................................................................................113

Applying Egress Layer 3 ACLs (Control-Plane).....................................................................................................114

Contents

IP Prex Lists...................................................................................................................................................................114

Implementation Information..................................................................................................................................... 115

Conguration Task List for Prex Lists...................................................................................................................115

ACL Remarks...................................................................................................................................................................118

Conguring a Remark...............................................................................................................................................119

Deleting a Remark.....................................................................................................................................................119

ACL Resequencing.........................................................................................................................................................120

Resequencing an ACL or Prex List.......................................................................................................................120

Route Maps.....................................................................................................................................................................122

Implementation Information.................................................................................................................................... 122

Flow-Based Monitoring..................................................................................................................................................122

Behavior of Flow-Based Monitoring.......................................................................................................................122

Enabling Flow-Based Monitoring............................................................................................................................124

Conguring IP Mirror Access Group............................................................................................................................ 125

Sample Conguration...............................................................................................................................................125

Example of viewing IP mirror–access–group applied to an Interface................................................................126

7 Bidirectional Forwarding Detection (BFD)...................................................................................................127

How BFD Works..............................................................................................................................................................127

BFD Packet Format..................................................................................................................................................128

BFD Sessions............................................................................................................................................................ 129

BFD Three-Way Handshake....................................................................................................................................130

Session State Changes............................................................................................................................................132

Important Points to Remember.................................................................................................................................... 132

Congure BFD................................................................................................................................................................ 132

Congure BFD for Physical Ports...........................................................................................................................133

Congure BFD for Static Routes............................................................................................................................134

Congure BFD for IPv6 Static Routes...................................................................................................................138

Congure BFD for OSPF.........................................................................................................................................140

Congure BFD for OSPFv3.....................................................................................................................................146

Congure BFD for IS-IS...........................................................................................................................................149

Congure BFD for BGP............................................................................................................................................151

Congure BFD for VRRP.........................................................................................................................................159

Conguring Protocol Liveness.................................................................................................................................161

8 Border Gateway Protocol (BGP)................................................................................................................ 162

Border Gateway Protocol version 4 (BGPv4).............................................................................................................162

Autonomous Systems (AS)........................................................................................................................................... 162

AS4 Number Representation.................................................................................................................................. 164

Four-Byte AS Numbers........................................................................................................................................... 166

Multiprotocol BGP..........................................................................................................................................................166

MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family........................................167

Sessions and Peers.........................................................................................................................................................167

Establish a Session................................................................................................................................................... 167

Implementing BGP global and address family.............................................................................................................168

BGP global conguration default values................................................................................................................169

Contents

BGP Attributes for selecting Best Path.......................................................................................................................169

Best Path Selection Criteria....................................................................................................................................170

Weight.........................................................................................................................................................................171

Local Preference.......................................................................................................................................................172

Multi-Exit Discriminators (MEDs)...........................................................................................................................172

Origin..........................................................................................................................................................................173

AS Path...................................................................................................................................................................... 174

Next Hop....................................................................................................................................................................174

Implement BGP with Dell EMC Networking OS.........................................................................................................175

Additional Path (Add-Path) Support......................................................................................................................175

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 175

Ignore Router-ID in Best-Path Calculation............................................................................................................ 176

AS Number Migration...............................................................................................................................................176

BGP4 Management Information Base (MIB)........................................................................................................ 177

Important Points to Remember...............................................................................................................................177

Conguration Information..............................................................................................................................................178

Conguring a basic BGP network................................................................................................................................ 178

Enabling BGP............................................................................................................................................................ 178

Conguring a BGP peer............................................................................................................................................181

Conguring AS4 Number Representations........................................................................................................... 182

Conguring a BGP VRF address family.................................................................................................................183

Route-refresh and Soft-reconguration................................................................................................................185

Aggregating Routes..................................................................................................................................................188

Filtering BGP Routes................................................................................................................................................188

Filtering BGP Routes Using Route Maps.............................................................................................................. 190

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 190

Conguring Peer Groups..........................................................................................................................................191

Conguring BGP Fast Fall-Over.............................................................................................................................199

Conguring Passive Peering...................................................................................................................................200

Maintaining Existing AS Numbers During an AS Migration.................................................................................201

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 202

Enabling Graceful Restart.......................................................................................................................................203

Filtering on an AS-Path Attribute.......................................................................................................................... 204

Regular Expressions as Filters................................................................................................................................205

Redistributing Routes..............................................................................................................................................206

Enabling Additional Paths........................................................................................................................................207

Conguring IP Community Lists.............................................................................................................................207

Conguring an IP Extended Community List.......................................................................................................208

Filtering Routes with Community Lists................................................................................................................. 209

Manipulating the COMMUNITY Attribute.............................................................................................................210

Changing MED Attributes........................................................................................................................................211

Changing the LOCAL_PREFERENCE Attribute...................................................................................................212

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 212

Changing the WEIGHT Attribute............................................................................................................................213

Enabling Multipath....................................................................................................................................................213

Contents

Route Reectors.......................................................................................................................................................214

Conguring BGP Confederations...........................................................................................................................215

Enabling Route Flap Dampening.............................................................................................................................215

Changing BGP Timers..............................................................................................................................................218

Setting the extended timer.....................................................................................................................................218

Enabling or disabling BGP neighbors..................................................................................................................... 219

Route Map Continue...............................................................................................................................................220

Enabling MBGP Congurations.................................................................................................................................... 221

MBGP support for IPv6.................................................................................................................................................221

Conguring IPv6 MBGP between peers..................................................................................................................... 221

Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 222

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 224

BGP Regular Expression Optimization........................................................................................................................226

Debugging BGP............................................................................................................................................................. 226

Storing Last and Bad PDUs....................................................................................................................................227

Capturing PDUs....................................................................................................................................................... 228

PDU Counters..........................................................................................................................................................229

9 Content Addressable Memory (CAM)........................................................................................................ 230

CAM Allocation.............................................................................................................................................................. 230

Test CAM Usage............................................................................................................................................................ 232

View CAM Proles.........................................................................................................................................................232

View CAM-ACL Settings.............................................................................................................................................. 233

View CAM Usage...........................................................................................................................................................234

Conguring CAM Threshold and Silence Period........................................................................................................235

Setting CAM Threshold and Silence Period......................................................................................................... 235

CAM Optimization......................................................................................................................................................... 236

Troubleshoot CAM Proling..........................................................................................................................................236

QoS CAM Region Limitation...................................................................................................................................237

Syslog Error When the Table is Full........................................................................................................................237

Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................... 237

Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 237

Unied Forwarding Table (UFT) Modes...................................................................................................................... 237

Conguring UFT Modes..........................................................................................................................................238

10 Control Plane Policing (CoPP)................................................................................................................. 239

Congure Control Plane Policing................................................................................................................................. 240

Conguring CoPP for Protocols............................................................................................................................. 241

Conguring CoPP for CPU Queues...................................................................................................................... 243

Displaying CoPP Conguration ............................................................................................................................. 244

11 Data Center Bridging (DCB)......................................................................................................................246

Ethernet Enhancements in Data Center Bridging..................................................................................................... 246

Priority-Based Flow Control....................................................................................................................................247

Enhanced Transmission Selection..........................................................................................................................248

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................249

Contents

Data Center Bridging in a Trac Flow.................................................................................................................. 250

Enabling Data Center Bridging.....................................................................................................................................250

DCB Maps and its Attributes.................................................................................................................................. 251

Data Center Bridging: Default Conguration..............................................................................................................252

Conguring Priority-Based Flow Control.................................................................................................................... 252

Conguring Lossless Queues................................................................................................................................. 253

Conguring PFC in a DCB Map................................................................................................................................... 254

PFC Conguration Notes........................................................................................................................................254

PFC Prerequisites and Restrictions.......................................................................................................................255

Applying a DCB Map on a Port....................................................................................................................................256

Conguring PFC without a DCB Map.........................................................................................................................256

Conguring Lossless QueuesExample:..................................................................................................................257

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................258

Pause and Resume of Trac..................................................................................................................................258

Buer Sizes for Lossless or PFC Packets............................................................................................................ 258

Behavior of Tagged Packets.........................................................................................................................................259

Conguration Example for DSCP and PFC Priorities................................................................................................259

SNMP Support for PFC and Buer Statistics Tracking........................................................................................... 260

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................260

PFC and ETS Conguration Examples........................................................................................................................ 261

Using PFC to Manage Converged Ethernet Trac................................................................................................... 261

Operations on Untagged Packets.................................................................................................................................261

Generation of PFC for a Priority for Untagged Packets...........................................................................................262

Congure Enhanced Transmission Selection..............................................................................................................262

ETS Prerequisites and Restrictions....................................................................................................................... 262

Creating an ETS Priority Group..............................................................................................................................262

ETS Operation with DCBx......................................................................................................................................264

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................264

Conguring ETS in a DCB Map..............................................................................................................................265

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 266

Using ETS to Manage Converged Ethernet Trac................................................................................................... 267

Applying DCB Policies in a Switch Stack.................................................................................................................... 267

Congure a DCBx Operation........................................................................................................................................ 267

DCBx Operation....................................................................................................................................................... 267

DCBx Port Roles......................................................................................................................................................268

DCB Conguration Exchange................................................................................................................................ 269

Conguration Source Election............................................................................................................................... 269

Propagation of DCB Information............................................................................................................................270

Auto-Detection and Manual Conguration of the DCBx Version.......................................................................270

DCBx Example.......................................................................................................................................................... 271

DCBx Prerequisites and Restrictions......................................................................................................................271

Conguring DCBx.....................................................................................................................................................271

Verifying the DCB Conguration..................................................................................................................................275

QoS dot1p Trac Classication and Queue Assignment..........................................................................................283

Conguring the Dynamic Buer Method....................................................................................................................284

Contents

Sample DCB Conguration...........................................................................................................................................285

PFC and ETS Conguration Command Examples...............................................................................................287

12 Dynamic Host Conguration Protocol (DHCP).........................................................................................288

DHCP Packet Format and Options............................................................................................................................. 288

Assign an IP Address using DHCP...............................................................................................................................290

Implementation Information.......................................................................................................................................... 291

Congure the System to be a DHCP Server.............................................................................................................. 291

Conguring the Server for Automatic Address Allocation..................................................................................292

Specifying a Default Gateway................................................................................................................................293

Congure a Method of Hostname Resolution..................................................................................................... 293

Using DNS for Address Resolution........................................................................................................................293

Using NetBIOS WINS for Address Resolution..................................................................................................... 294

Creating Manual Binding Entries............................................................................................................................294

Debugging the DHCP Server.................................................................................................................................294

Using DHCP Clear Commands.............................................................................................................................. 295

Congure the System to be a DHCP Client...............................................................................................................295

Conguring the DHCP Client System...................................................................................................................295

DHCP Client on a Management Interface............................................................................................................ 297

DHCP Client Operation with Other Features....................................................................................................... 297

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 298

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 298

Congure the System for User Port Stacking (Option 230)................................................................................... 300

Congure Secure DHCP...............................................................................................................................................300

Option 82..................................................................................................................................................................300

DHCP Snooping........................................................................................................................................................301

Drop DHCP Packets on Snooped VLANs Only....................................................................................................305

Dynamic ARP Inspection........................................................................................................................................ 306

Conguring Dynamic ARP Inspection................................................................................................................... 307

Source Address Validation............................................................................................................................................308

Enabling IP Source Address Validation..................................................................................................................308

DHCP MAC Source Address Validation................................................................................................................ 309

Enabling IP+MAC Source Address Validation.......................................................................................................309

Viewing the Number of SAV Dropped Packets.................................................................................................... 310

Clearing the Number of SAV Dropped Packets....................................................................................................310

13 Equal Cost Multi-Path (ECMP)................................................................................................................. 311

ECMP for Flow-Based Anity.......................................................................................................................................311

Conguring the Hash Algorithm..............................................................................................................................311

Enabling Deterministic ECMP Next Hop................................................................................................................311

Conguring the Hash Algorithm Seed................................................................................................................... 312

Link Bundle Monitoring.................................................................................................................................................. 312

Managing ECMP Group Paths................................................................................................................................313

Creating an ECMP Group Bundle...........................................................................................................................313

Modifying the ECMP Group Threshold................................................................................................................. 313

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................314

Contents

Support for ECMP in host table.............................................................................................................................315

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................315

14 FIP Snooping............................................................................................................................................ 316

Fibre Channel over Ethernet.........................................................................................................................................316

Ensure Robustness in a Converged Ethernet Network.............................................................................................316

FIP Snooping on Ethernet Bridges...............................................................................................................................318

FIP Snooping in a Switch Stack...................................................................................................................................320

Using FIP Snooping....................................................................................................................................................... 320

FIP Snooping Prerequisites.....................................................................................................................................320

Important Points to Remember............................................................................................................................. 320

Enabling the FCoE Transit Feature.........................................................................................................................321

Enable FIP Snooping on VLANs.............................................................................................................................322

Congure the FC-MAP Value................................................................................................................................ 322

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 322

Congure a Port for a Bridge-to-FCF Link...........................................................................................................322

Impact on Other Software Features..................................................................................................................... 322

FIP Snooping Restrictions...................................................................................................................................... 323

Conguring FIP Snooping.......................................................................................................................................323

Displaying FIP Snooping Information...........................................................................................................................324

FCoE Transit Conguration Example...........................................................................................................................329

15 Flex Hash and Optimized Boot-Up............................................................................................................ 331

Flex Hash Capability Overview..................................................................................................................................... 331

Conguring the Flex Hash Mechanism........................................................................................................................331

Conguring Fast Boot and LACP Fast Switchover...................................................................................................332

Optimizing the Boot Time.............................................................................................................................................332

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................332

Guidelines for Conguring Optimized Booting Mechanism................................................................................333

Interoperation of Applications with Fast Boot and System States..........................................................................334

LACP and IPv4 Routing.......................................................................................................................................... 334

LACP and IPv6 Routing.......................................................................................................................................... 334

BGP Graceful Restart............................................................................................................................................. 335

Cold Boot Caused by Power Cycling the System................................................................................................335

Unexpected Reload of the System........................................................................................................................335

Software Upgrade................................................................................................................................................... 335

LACP Fast Switchover............................................................................................................................................335

Changes to BGP Multipath.................................................................................................................................... 336

Delayed Installation of ECMP Routes Into BGP...................................................................................................336

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 336

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 337

16 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 338

Protocol Overview.........................................................................................................................................................338

Ring Status...............................................................................................................................................................339

Multiple FRRP Rings............................................................................................................................................... 339

Contents

Important FRRP Points...........................................................................................................................................340

Important FRRP Concepts......................................................................................................................................341

Implementing FRRP.......................................................................................................................................................342

FRRP Conguration.......................................................................................................................................................342

Creating the FRRP Group.......................................................................................................................................342

Conguring the Control VLAN...............................................................................................................................343

Conguring and Adding the Member VLANs.......................................................................................................344

Setting the FRRP Timers........................................................................................................................................345

Clearing the FRRP Counters..................................................................................................................................345

Viewing the FRRP Conguration...........................................................................................................................345

Viewing the FRRP Information.............................................................................................................................. 345

Troubleshooting FRRP.................................................................................................................................................. 346

Conguration Checks..............................................................................................................................................346

Sample Conguration and Topology............................................................................................................................ 346

FRRP Support on VLT...................................................................................................................................................347

Example Scenario.................................................................................................................................................... 348

Important Points to Remember............................................................................................................................. 349

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................350

Important Points to Remember................................................................................................................................... 350

Congure GVRP............................................................................................................................................................. 351

Related Conguration Tasks....................................................................................................................................351

Enabling GVRP Globally................................................................................................................................................ 352

Enabling GVRP on a Layer 2 Interface........................................................................................................................352

Congure GVRP Registration...................................................................................................................................... 352

Congure a GARP Timer.............................................................................................................................................. 353

18 Internet Group Management Protocol (IGMP)......................................................................................... 354

IGMP Implementation Information.............................................................................................................................. 354

IGMP Protocol Overview..............................................................................................................................................354

IGMP Version 2........................................................................................................................................................354

IGMP Version 3........................................................................................................................................................356

Congure IGMP.............................................................................................................................................................359

Related Conguration Tasks...................................................................................................................................359

Viewing IGMP Enabled Interfaces...............................................................................................................................360

Selecting an IGMP Version...........................................................................................................................................360

Viewing IGMP Groups....................................................................................................................................................361

Adjusting Timers............................................................................................................................................................. 361

Adjusting Query and Response Timers..................................................................................................................361

Enabling IGMP Immediate-Leave.................................................................................................................................362

IGMP Snooping..............................................................................................................................................................363

IGMP Snooping Implementation Information....................................................................................................... 363

Conguring IGMP Snooping...................................................................................................................................363

Removing a Group-Port Association.....................................................................................................................364

Disabling Multicast Flooding...................................................................................................................................364

Specifying a Port as Connected to a Multicast Router...................................................................................... 364

Contents

Conguring the Switch as Querier........................................................................................................................365

Fast Convergence after MSTP Topology Changes................................................................................................... 365

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................365

Protocol Separation................................................................................................................................................. 366

Enabling and Disabling Management Egress Interface Selection...................................................................... 367

Handling of Management Route Conguration................................................................................................... 368

Handling of Switch-Initiated Trac....................................................................................................................... 368

Handling of Switch-Destined Trac......................................................................................................................369

Handling of Transit Trac (Trac Separation).....................................................................................................370

Mapping of Management Applications and Trac Type.....................................................................................370

Behavior of Various Applications for Switch-Initiated Trac ............................................................................. 371

Behavior of Various Applications for Switch-Destined Trac ...........................................................................372

Interworking of EIS With Various Applications..................................................................................................... 372

Designating a Multicast Router Interface................................................................................................................... 373

19 Interfaces................................................................................................................................................. 374

Basic Interface Conguration....................................................................................................................................... 374

Advanced Interface Conguration............................................................................................................................... 374

Interface Types............................................................................................................................................................... 375

View Basic Interface Information.................................................................................................................................375

Resetting an Interface to its Factory Default State................................................................................................... 377

Enabling a Physical Interface........................................................................................................................................378

Physical Interfaces.........................................................................................................................................................378

Conguration Task List for Physical Interfaces.................................................................................................... 378

40G to 1G Breakout Cable Adaptor....................................................................................................................... 378

Overview of Layer Modes.......................................................................................................................................379

Conguring Layer 2 (Data Link) Mode..................................................................................................................380

Conguring Layer 2 (Interface) Mode.................................................................................................................. 380

Conguring Layer 3 (Network) Mode...................................................................................................................380

Conguring Layer 3 (Interface) Mode................................................................................................................... 381

Automatic recovery of an Err-disabled interface.......................................................................................................382

Conguring an automatic recovery for an Err-disabled interface......................................................................382

Egress Interface Selection (EIS).................................................................................................................................. 383

Important Points to Remember............................................................................................................................. 383

Conguring EIS........................................................................................................................................................ 383

Management Interfaces................................................................................................................................................384

Conguring Management Interfaces.....................................................................................................................384

Conguring a Management Interface on an Ethernet Port............................................................................... 385

VLAN Interfaces............................................................................................................................................................ 386

Loopback Interfaces...................................................................................................................................................... 387

Null Interfaces.................................................................................................................................................................387

Port Channel Interfaces................................................................................................................................................ 387

Port Channel Denition and Standards.................................................................................................................388

Port Channel Benets.............................................................................................................................................388

Port Channel Implementation.................................................................................................................................388

Interfaces in Port Channels.................................................................................................................................... 389

Contents

Conguration Tasks for Port Channel Interfaces.................................................................................................389

Creating a Port Channel......................................................................................................................................... 389

Adding a Physical Interface to a Port Channel.....................................................................................................390

Reassigning an Interface to a New Port Channel.................................................................................................391

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 392

Adding or Removing a Port Channel from a VLAN............................................................................................. 392

Assigning an IP Address to a Port Channel.......................................................................................................... 394

Deleting or Disabling a Port Channel.....................................................................................................................394

Load Balancing Through Port Channels................................................................................................................394

Changing the Hash Algorithm................................................................................................................................394

Bulk Conguration.........................................................................................................................................................396

Interface Range....................................................................................................................................................... 396

Bulk Conguration Examples..................................................................................................................................396

Dening Interface Range Macros................................................................................................................................ 398

Dene the Interface Range.................................................................................................................................... 398

Choosing an Interface-Range Macro.................................................................................................................... 398

Monitoring and Maintaining Interfaces....................................................................................................................... 398

Maintenance Using TDR.........................................................................................................................................399

Non Dell-Qualied Transceivers...................................................................................................................................400

Splitting 40G Ports without Reload............................................................................................................................ 400

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 402

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................403

Important Points to Remember............................................................................................................................. 403

Example Scenarios.................................................................................................................................................. 404

Link Dampening............................................................................................................................................................. 405

Important Points to Remember............................................................................................................................. 405

Conguration Example of Link Dampening.......................................................................................................... 406

Enabling Link Dampening........................................................................................................................................408

Link Bundle Monitoring................................................................................................................................................. 409

Using Ethernet Pause Frames for Flow Control.........................................................................................................410

Enabling Pause Frames............................................................................................................................................410

Congure the MTU Size on an Interface..................................................................................................................... 411

Port-Pipes........................................................................................................................................................................412

Auto-Negotiation on Ethernet Interfaces....................................................................................................................412

Setting the Speed of Ethernet Interfaces.............................................................................................................412

Set Auto-Negotiation Options................................................................................................................................ 414

View Advanced Interface Information..........................................................................................................................414

Conguring the Interface Sampling Size............................................................................................................... 415

Conguring the Trac Sampling Size Globally........................................................................................................... 416

Dynamic Counters..........................................................................................................................................................418

Clearing Interface Counters.................................................................................................................................... 418

Compressing Conguration Files..................................................................................................................................419

Discard Counters............................................................................................................................................................ 421

Display discard counters......................................................................................................................................... 422

20 IPv4 Routing............................................................................................................................................424

Contents

IP Addresses...................................................................................................................................................................425

Implementation Information....................................................................................................................................425

Conguration Tasks for IP Addresses..........................................................................................................................425

Assigning IP Addresses to an Interface.......................................................................................................................425

Conguring Static Routes.............................................................................................................................................426

Congure Static Routes for the Management Interface.......................................................................................... 427

IPv4 Path MTU Discovery Overview.......................................................................................................................... 428

Packet handling during MTU mismatch................................................................................................................428

Using the Congured Source IP Address in ICMP Messages..................................................................................428

Conguring the ICMP Source Interface............................................................................................................... 428

Conguring the Duration to Establish a TCP Connection........................................................................................ 429

Enabling Directed Broadcast........................................................................................................................................ 429

Resolution of Host Names............................................................................................................................................429

Enabling Dynamic Resolution of Host Names............................................................................................................430

Specifying the Local System Domain and a List of Domains................................................................................... 430

Conguring DNS with Traceroute................................................................................................................................ 431

ARP.................................................................................................................................................................................. 431

Conguration Tasks for ARP........................................................................................................................................ 432

Conguring Static ARP Entries....................................................................................................................................432

Enabling Proxy ARP.......................................................................................................................................................432

Clearing ARP Cache...................................................................................................................................................... 433

ARP Learning via Gratuitous ARP................................................................................................................................433

Enabling ARP Learning via Gratuitous ARP................................................................................................................ 433

ARP Learning via ARP Request................................................................................................................................... 433

Conguring ARP Retries...............................................................................................................................................434

ICMP............................................................................................................................................................................... 435

Conguration Tasks for ICMP...................................................................................................................................... 435

Enabling ICMP Unreachable Messages...................................................................................................................... 435

UDP Helper.....................................................................................................................................................................435

Congure UDP Helper.............................................................................................................................................435

Important Points to Remember............................................................................................................................. 436

Enabling UDP Helper.....................................................................................................................................................436

Congurations Using UDP Helper............................................................................................................................... 436

UDP Helper with Broadcast-All Addresses.................................................................................................................436

UDP Helper with Subnet Broadcast Addresses......................................................................................................... 437

UDP Helper with Congured Broadcast Addresses.................................................................................................. 437

UDP Helper with No Congured Broadcast Addresses............................................................................................438

Troubleshooting UDP Helper........................................................................................................................................438

21 IPv6 Routing............................................................................................................................................ 439

Protocol Overview.........................................................................................................................................................439

Extended Address Space........................................................................................................................................440

Stateless Autoconguration................................................................................................................................... 440

IPv6 Headers............................................................................................................................................................440

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support.................................................................... 441

IPv6 Header Fields...................................................................................................................................................442

Contents

Extension Header Fields..........................................................................................................................................444

Addressing................................................................................................................................................................445

Implementing IPv6 with Dell EMC Networking OS...................................................................................................446

ICMPv6........................................................................................................................................................................... 447

Path MTU discovery......................................................................................................................................................448

IPv6 Neighbor Discovery.............................................................................................................................................. 448

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................449

Conguring the IPv6 Recursive DNS Server....................................................................................................... 449

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................450

Displaying IPv6 RDNSS Information......................................................................................................................450

Secure Shell (SSH) Over an IPv6 Transport............................................................................................................... 451

Conguration Tasks for IPv6......................................................................................................................................... 451

Adjusting Your CAM-Prole.....................................................................................................................................451

Assigning an IPv6 Address to an Interface...........................................................................................................452

Assigning a Static IPv6 Route................................................................................................................................453

Conguring Telnet with IPv6..................................................................................................................................453

SNMP over IPv6......................................................................................................................................................454

Displaying IPv6 Information....................................................................................................................................454

Displaying an IPv6 Interface Information.............................................................................................................. 454

Showing IPv6 Routes..............................................................................................................................................455

Showing the Running-Conguration for an Interface.........................................................................................456

Clearing IPv6 Routes...............................................................................................................................................457

Disabling ND Entry Timeout................................................................................................................................... 457

Conguring IPv6 RA Guard.......................................................................................................................................... 457

Conguring IPv6 RA Guard on an Interface.........................................................................................................459

Monitoring IPv6 RA Guard..................................................................................................................................... 460

22 iSCSI Optimization................................................................................................................................... 461

iSCSI Optimization Overview........................................................................................................................................461

Monitoring iSCSI Trac Flows...............................................................................................................................463

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 463

Information Monitored in iSCSI Trac Flows.......................................................................................................463

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 464

Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 464

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................465

Enable and Disable iSCSI Optimization.................................................................................................................465

Default iSCSI Optimization Values...............................................................................................................................466

iSCSI Optimization Prerequisites................................................................................................................................. 466

Conguring iSCSI Optimization................................................................................................................................... 466

Displaying iSCSI Optimization Information................................................................................................................. 468

23 Intermediate System to Intermediate System...........................................................................................470

IS-IS Protocol Overview................................................................................................................................................470

IS-IS Addressing.............................................................................................................................................................470

Multi-Topology IS-IS....................................................................................................................................................... 471

Transition Mode........................................................................................................................................................ 471

Contents

Interface Support.....................................................................................................................................................472

Adjacencies...............................................................................................................................................................472

Graceful Restart.............................................................................................................................................................472

Timers........................................................................................................................................................................472

Implementation Information..........................................................................................................................................472

Conguration Information............................................................................................................................................. 473

Conguration Tasks for IS-IS.................................................................................................................................. 474

Conguring the Distance of a Route......................................................................................................................481

Changing the IS-Type.............................................................................................................................................. 482

Redistributing IPv4 Routes.....................................................................................................................................484

Redistributing IPv6 Routes.....................................................................................................................................485

Conguring Authentication Passwords.................................................................................................................486

Setting the Overload Bit.........................................................................................................................................486

Debugging IS-IS....................................................................................................................................................... 487

IS-IS Metric Styles.........................................................................................................................................................488

Congure Metric Values............................................................................................................................................... 488

Maximum Values in the Routing Table.................................................................................................................. 488

Change the IS-IS Metric Style in One Level Only................................................................................................488

Leaks from One Level to Another..........................................................................................................................490

Sample Congurations...................................................................................................................................................491

24 Link Aggregation Control Protocol (LACP).............................................................................................. 493

Introduction to Dynamic LAGs and LACP.................................................................................................................. 493

Important Points to Remember............................................................................................................................. 493

LACP Modes............................................................................................................................................................ 494

Conguring LACP Commands............................................................................................................................... 494

LACP Conguration Tasks............................................................................................................................................ 495

Creating a LAG.........................................................................................................................................................495

Conguring the LAG Interfaces as Dynamic........................................................................................................495

Setting the LACP Long Timeout........................................................................................................................... 496

Monitoring and Debugging LACP..........................................................................................................................496

Shared LAG State Tracking...........................................................................................................................................497

Conguring Shared LAG State Tracking............................................................................................................... 497

Important Points about Shared LAG State Tracking...........................................................................................499

LACP Basic Conguration Example............................................................................................................................ 499

Congure a LAG on ALPHA...................................................................................................................................499

25 Layer 2.................................................................................................................................................... 508

Manage the MAC Address Table................................................................................................................................. 508

Clearing the MAC Address Table........................................................................................................................... 508

Setting the Aging Time for Dynamic Entries........................................................................................................508

Conguring a Static MAC Address........................................................................................................................509

Displaying the MAC Address Table........................................................................................................................509

MAC Learning Limit.......................................................................................................................................................509

Setting the MAC Learning Limit............................................................................................................................. 510

mac learning-limit Dynamic..................................................................................................................................... 510

Contents

mac learning-limit mac-address-sticky..................................................................................................................510

mac learning-limit station-move..............................................................................................................................511

mac learning-limit no-station-move........................................................................................................................511

Learning Limit Violation Actions...............................................................................................................................511

Setting Station Move Violation Actions.................................................................................................................512

Recovering from Learning Limit and Station Move Violations............................................................................512

NIC Teaming....................................................................................................................................................................513

Congure Redundant Pairs........................................................................................................................................... 514

Important Points about Conguring Redundant Pairs.........................................................................................516

Far-End Failure Detection.............................................................................................................................................. 517

FEFD State Changes................................................................................................................................................518

Conguring FEFD.....................................................................................................................................................519

Enabling FEFD on an Interface............................................................................................................................... 519

Debugging FEFD......................................................................................................................................................520

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 522

802.1AB (LLDP) Overview............................................................................................................................................522

Protocol Data Units................................................................................................................................................. 522

Optional TLVs.................................................................................................................................................................523

Management TLVs...................................................................................................................................................523

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 525

TIA Organizationally Specic TLVs........................................................................................................................ 525

Congure LLDP............................................................................................................................................................. 529

Related Conguration Tasks...................................................................................................................................529

Important Points to Remember............................................................................................................................. 529

LLDP Compatibility..................................................................................................................................................530

CONFIGURATION versus INTERFACE Congurations............................................................................................530

Enabling LLDP................................................................................................................................................................530

Disabling and Undoing LLDP...................................................................................................................................531

Enabling LLDP on Management Ports.........................................................................................................................531

Disabling and Undoing LLDP on Management Ports...........................................................................................531

Advertising TLVs.............................................................................................................................................................531

Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 533

Reserved Unrecognized LLDP TLVs..................................................................................................................... 533

Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 533

Viewing Unrecognized LLDP TLVs........................................................................................................................533

Viewing the LLDP Conguration................................................................................................................................. 534

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................534

Examples of Viewing Information Advertised by Neighbors...............................................................................534

Conguring LLDPDU Intervals.....................................................................................................................................536

Conguring LLDP Notication Interval....................................................................................................................... 537

Conguring Transmit and Receive Mode....................................................................................................................537

Conguring the Time to Live Value............................................................................................................................. 538

Debugging LLDP............................................................................................................................................................539

Relevant Management Objects................................................................................................................................... 540

Contents

27 Microsoft Network Load Balancing.......................................................................................................... 545

NLB Unicast Mode Scenario........................................................................................................................................545

NLB Multicast Mode Scenario.....................................................................................................................................545

Limitations of the NLB Feature....................................................................................................................................546

Microsoft Clustering......................................................................................................................................................546

Enable and Disable VLAN Flooding ............................................................................................................................ 546

Conguring a Switch for NLB .....................................................................................................................................546

Enabling a Switch for Multicast NLB.................................................................................................................... 547

28 Multicast Source Discovery Protocol (MSDP)......................................................................................... 548

Protocol Overview.........................................................................................................................................................548

Anycast RP.....................................................................................................................................................................549

Implementation Information......................................................................................................................................... 550

Congure Multicast Source Discovery Protocol........................................................................................................550

Related Conguration Tasks...................................................................................................................................550

Enable MSDP.................................................................................................................................................................554

Manage the Source-Active Cache..............................................................................................................................555

Viewing the Source-Active Cache........................................................................................................................ 555

Limiting the Source-Active Cache........................................................................................................................ 555

Clearing the Source-Active Cache........................................................................................................................556

Enabling the Rejected Source-Active Cache.......................................................................................................556

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 556

Specifying Source-Active Messages...........................................................................................................................559

Limiting the Source-Active Messages from a Peer...................................................................................................560

Preventing MSDP from Caching a Local Source.......................................................................................................560

Preventing MSDP from Caching a Remote Source...................................................................................................561

Preventing MSDP from Advertising a Local Source.................................................................................................. 561

Logging Changes in Peership States...........................................................................................................................562

Terminating a Peership..................................................................................................................................................562

Clearing Peer Statistics.................................................................................................................................................563

Debugging MSDP..........................................................................................................................................................563

MSDP with Anycast RP................................................................................................................................................564

Conguring Anycast RP............................................................................................................................................... 565

Reducing Source-Active Message Flooding........................................................................................................ 566

Specifying the RP Address Used in SA Messages..............................................................................................566

MSDP Sample Congurations..................................................................................................................................... 568

32 Multicast Listener Discovery Protocol...................................................................................................... 571

MLD Version 1.................................................................................................................................................................571

MLD Querier Router.......................................................................................................................................................571

Joining a Multicast Group.............................................................................................................................................572

Leaving a Multicast Group............................................................................................................................................ 572

MLD version 2................................................................................................................................................................ 572

MLD timers..................................................................................................................................................................... 574

Reducing Host Response Burstiness.................................................................................................................... 575

Contents

Clearing MLD groups.....................................................................................................................................................575

Debugging MLD............................................................................................................................................................. 575

Explicit Tracking............................................................................................................................................................. 575

Reducing Leave Latency...............................................................................................................................................575

Displaying MLD groups table........................................................................................................................................576

Displaying MLD Interfaces............................................................................................................................................ 576

30 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 577

Protocol Overview......................................................................................................................................................... 577

Spanning Tree Variations...............................................................................................................................................578

Implementation Information....................................................................................................................................578

Congure Multiple Spanning Tree Protocol................................................................................................................ 578

Related Conguration Tasks................................................................................................................................... 579

Enable Multiple Spanning Tree Globally.......................................................................................................................579

Adding and Removing Interfaces................................................................................................................................. 579

Creating Multiple Spanning Tree Instances................................................................................................................580

Inuencing MSTP Root Selection................................................................................................................................ 581

Interoperate with Non-Dell Bridges............................................................................................................................. 582

Changing the Region Name or Revision.....................................................................................................................582

Modifying Global Parameters....................................................................................................................................... 582

Modifying the Interface Parameters........................................................................................................................... 584

Conguring an EdgePort..............................................................................................................................................585

Flush MAC Addresses after a Topology Change....................................................................................................... 585

MSTP Sample Congurations......................................................................................................................................586

Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-

CongurationSFTOS Example Running-Conguration.......................................................................................586

Debugging and Verifying MSTP Congurations........................................................................................................590

31 Multicast Features....................................................................................................................................592

Enabling IP Multicast.....................................................................................................................................................592

Implementation Information..........................................................................................................................................592

Multicast Policies...........................................................................................................................................................593

IPv4 Multicast Policies............................................................................................................................................ 593

Understanding Multicast Traceroute (mtrace)..........................................................................................................600

Important Points to Remember.............................................................................................................................. 601

Printing Multicast Traceroute (mtrace) Paths............................................................................................................601

Supported Error Codes.................................................................................................................................................602

mtrace Scenarios...........................................................................................................................................................603

32 Multicast Listener Discovery Protocol..................................................................................................... 609

MLD Version 1................................................................................................................................................................609

MLD Querier Router......................................................................................................................................................609

Joining a Multicast Group..............................................................................................................................................610

Leaving a Multicast Group............................................................................................................................................ 610

MLD version 2.................................................................................................................................................................610

MLD timers......................................................................................................................................................................612

Contents

Reducing Host Response Burstiness.....................................................................................................................613

Clearing MLD groups..................................................................................................................................................... 613

Debugging MLD..............................................................................................................................................................613

Explicit Tracking.............................................................................................................................................................. 613

Reducing Leave Latency................................................................................................................................................613

Displaying MLD groups table.........................................................................................................................................614

Displaying MLD Interfaces.............................................................................................................................................614

MLD Snooping................................................................................................................................................................ 614

Enable MLD Snooping............................................................................................................................................. 614

Disable MLD Snooping.............................................................................................................................................615

Congure the switch as a querier.......................................................................................................................... 615

Specify port as connected to multicast router..................................................................................................... 615

Enable Snooping Explicit Tracking..........................................................................................................................616

Display the MLD Snooping Table............................................................................................................................616

33 Object Tracking........................................................................................................................................ 617

Object Tracking Overview............................................................................................................................................. 617

Track Layer 2 Interfaces.......................................................................................................................................... 618

Track Layer 3 Interfaces.......................................................................................................................................... 618

Track IPv4 and IPv6 Routes....................................................................................................................................619

Set Tracking Delays................................................................................................................................................. 620

VRRP Object Tracking............................................................................................................................................ 620

Object Tracking Conguration..................................................................................................................................... 620

Tracking a Layer 2 Interface................................................................................................................................... 620

Tracking a Layer 3 Interface....................................................................................................................................621

Track an IPv4/IPv6 Route...................................................................................................................................... 623

Displaying Tracked Objects...........................................................................................................................................626

34 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................628

Protocol Overview.........................................................................................................................................................628

Autonomous System (AS) Areas........................................................................................................................... 628

Area Types................................................................................................................................................................ 629

Networks and Neighbors........................................................................................................................................630

Router Types............................................................................................................................................................ 630

Designated and Backup Designated Routers.......................................................................................................632

Link-State Advertisements (LSAs)........................................................................................................................632

Router Priority and Cost.........................................................................................................................................633

OSPF with Dell EMC Networking OS.........................................................................................................................634

Graceful Restart...................................................................................................................................................... 635

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................636

Multi-Process OSPFv2 with VRF..........................................................................................................................636

RFC-2328 Compliant OSPF Flooding................................................................................................................... 636

OSPF ACK Packing..................................................................................................................................................637

Setting OSPF Adjacency with Cisco Routers.......................................................................................................637

Conguration Information.............................................................................................................................................638

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 638

Contents

OSPFv3 NSSA...............................................................................................................................................................652

NSSA Options.......................................................................................................................................................... 652

Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 653

Enabling IPv6 Unicast Routing...............................................................................................................................653

Applying cost for OSPFv3......................................................................................................................................654

Assigning IPv6 Addresses on an Interface........................................................................................................... 654

Assigning Area ID on an Interface..........................................................................................................................654

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................655

Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................655

Conguring Stub Areas...........................................................................................................................................656

Conguring Passive-Interface................................................................................................................................656

Redistributing Routes..............................................................................................................................................656

Conguring a Default Route................................................................................................................................... 657

Enabling OSPFv3 Graceful Restart....................................................................................................................... 657

OSPFv3 Authentication Using IPsec.....................................................................................................................659

Troubleshooting OSPFv3........................................................................................................................................665

35 Policy-based Routing (PBR).................................................................................................................... 667

Overview.........................................................................................................................................................................667

Implementing PBR.........................................................................................................................................................668

Conguration Task List for Policy-based Routing......................................................................................................668

PBR Exceptions (Permit)....................................................................................................................................... 669

Create a Redirect List............................................................................................................................................. 669

Create a Rule for a Redirect-list.............................................................................................................................669

Apply a Redirect-list to an Interface using a Redirect-group.............................................................................. 671

Sample Conguration....................................................................................................................................................673

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD...... 674

36 PIM Sparse-Mode (PIM-SM).................................................................................................................. 678

Implementation Information..........................................................................................................................................678

Protocol Overview......................................................................................................................................................... 678

Requesting Multicast Trac...................................................................................................................................678

Refuse Multicast Trac.......................................................................................................................................... 679

Send Multicast Trac............................................................................................................................................. 679

Conguring PIM-SM..................................................................................................................................................... 679

Related Conguration Tasks...................................................................................................................................680

Enable PIM-SM..............................................................................................................................................................680

Conguring S,G Expiry Timers..................................................................................................................................... 682

Conguring a Static Rendezvous Point...................................................................................................................... 682

Overriding Bootstrap Router Updates.................................................................................................................. 683

Conguring a Designated Router.................................................................................................................................683

Creating Multicast Boundaries and Domains............................................................................................................. 685

37 PIM Source-Specic Mode (PIM-SSM).................................................................................................. 686

Implementation Information......................................................................................................................................... 686

Important Points to Remember............................................................................................................................. 686

Contents

Congure PIM-SSM......................................................................................................................................................687

Related Conguration Tasks................................................................................................................................... 687

Enabling PIM-SSM........................................................................................................................................................ 687

Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................ 687

Conguring PIM-SSM with IGMPv2.....................................................................................................................688

Electing an RP using the BSR Mechanism.................................................................................................................689

Enabling RP to Server Specic Multicast Groups...............................................................................................689

38 Port Monitoring........................................................................................................................................691

Important Points to Remember.................................................................................................................................... 691

Port Monitoring..............................................................................................................................................................692

Conguring Port Monitoring........................................................................................................................................ 693

Conguring Monitor Multicast Queue........................................................................................................................ 694

Enabling Flow-Based Monitoring.................................................................................................................................695

Remote Port Mirroring.................................................................................................................................................. 696

Remote Port Mirroring Example............................................................................................................................ 696

Conguring Remote Port Mirroring.......................................................................................................................697

Displaying Remote-Port Mirroring Congurations...............................................................................................699

Conguring the Sample Remote Port Mirroring..................................................................................................699

Encapsulated Remote Port Monitoring.......................................................................................................................702

ERPM Behavior on a typical Dell EMC Networking OS ...........................................................................................704

Decapsulation of ERPM packets at the Destination IP/ Analyzer..................................................................... 704

Port Monitoring on VLT.................................................................................................................................................705

VLT Non-fail over Scenario.....................................................................................................................................705

VLT Fail-over Scenario............................................................................................................................................ 706

RPM over VLT Scenarios........................................................................................................................................706

39 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 708

Protocol Overview......................................................................................................................................................... 708

Implementation Information..........................................................................................................................................709

Congure Per-VLAN Spanning Tree Plus....................................................................................................................709

Related Conguration Tasks................................................................................................................................... 709

Enabling PVST+............................................................................................................................................................. 709

Disabling PVST+............................................................................................................................................................. 710

Inuencing PVST+ Root Selection............................................................................................................................... 710

Modifying Global PVST+ Parameters...........................................................................................................................712

Modifying Interface PVST+ Parameters...................................................................................................................... 713

Conguring an EdgePort............................................................................................................................................... 714

PVST+ in Multi-Vendor Networks................................................................................................................................ 714

Enabling PVST+ Extend System ID.............................................................................................................................. 714

PVST+ Sample Congurations......................................................................................................................................715

40 Quality of Service (QoS).......................................................................................................................... 718

Implementation Information..........................................................................................................................................720

Port-Based QoS Congurations.................................................................................................................................. 720

Setting dot1p Priorities for Incoming Trac......................................................................................................... 720

Contents

Honoring dot1p Priorities on Ingress Trac...........................................................................................................721

Conguring Port-Based Rate Policing...................................................................................................................722

Conguring Port-Based Rate Shaping.................................................................................................................. 722

Policy-Based QoS Congurations................................................................................................................................ 723

Classify Trac.......................................................................................................................................................... 723

Dot1p to Queue Mapping Requirement................................................................................................................. 727

Create a QoS Policy................................................................................................................................................. 727

DSCP Color Maps....................................................................................................................................................730

Create Policy Maps.................................................................................................................................................. 732

Enabling QoS Rate Adjustment....................................................................................................................................735

Enabling Strict-Priority Queueing................................................................................................................................ 736

Queue Classication Requirements for PFC Functionality.......................................................................................736

Support for marking dot1p value in L3 Input Qos Policy...........................................................................................736

Weighted Random Early Detection.............................................................................................................................. 737

Creating WRED Proles.......................................................................................................................................... 738

Applying a WRED Prole to Trac........................................................................................................................ 738

Displaying Default and Congured WRED Proles.............................................................................................. 739

Displaying WRED Drop Statistics...........................................................................................................................739

Displaying egress–queue Statistics....................................................................................................................... 739

Pre-Calculating Available QoS CAM Space................................................................................................................ 740

Specifying Policy-Based Rate Shaping in Packets Per Second................................................................................ 741

Conguring Policy-Based Rate Shaping...................................................................................................................... 741

Conguring Weights and ECN for WRED ..................................................................................................................742

Global Service Pools With WRED and ECN Settings..........................................................................................742

Conguring WRED and ECN Attributes......................................................................................................................743

Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 744

Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class.................................. 745

Classifying Incoming Packets Using ECN and Color-Marking............................................................................745

Sample conguration to mark non-ecn packets as “yellow” with single trac class...................................... 747

Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................748

Managing Hardware Buer Statistics....................................................................................................................748

Enabling Buer Statistics Tracking ............................................................................................................................. 749

41 Routing Information Protocol (RIP).......................................................................................................... 752

Protocol Overview......................................................................................................................................................... 752

RIPv1..........................................................................................................................................................................752

RIPv2.........................................................................................................................................................................752

Implementation Information..........................................................................................................................................753

Conguration Information.............................................................................................................................................753

Conguration Task List............................................................................................................................................753

RIP Conguration Example.....................................................................................................................................760

42 Remote Monitoring (RMON)................................................................................................................... 765

Implementation Information..........................................................................................................................................765

Fault Recovery...............................................................................................................................................................765

Setting the RMON Alarm........................................................................................................................................766

Contents

Conguring an RMON Event................................................................................................................................. 766

Conguring RMON Collection Statistics...............................................................................................................767

Conguring the RMON Collection History............................................................................................................767

43 Rapid Spanning Tree Protocol (RSTP)..................................................................................................... 769

Protocol Overview......................................................................................................................................................... 769

Conguring Rapid Spanning Tree.................................................................................................................................769

Related Conguration Tasks................................................................................................................................... 769

Important Points to Remember....................................................................................................................................769

RSTP and VLT.......................................................................................................................................................... 770

Conguring Interfaces for Layer 2 Mode.................................................................................................................... 770

Enabling Rapid Spanning Tree Protocol Globally.........................................................................................................771

Adding and Removing Interfaces................................................................................................................................. 773

Modifying Global Parameters........................................................................................................................................773

Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 775

Modifying Interface Parameters...................................................................................................................................775

Enabling SNMP Traps for Root Elections and Topology Changes........................................................................... 775

Inuencing RSTP Root Selection.................................................................................................................................775

Conguring an EdgePort...............................................................................................................................................776

Conguring Fast Hellos for Link State Detection.......................................................................................................777

44 Software-Dened Networking (SDN)...................................................................................................... 778

45 Security................................................................................................................................................... 779

AAA Accounting............................................................................................................................................................. 779

Conguration Task List for AAA Accounting........................................................................................................ 779

AAA Authentication........................................................................................................................................................ 781

Conguration Task List for AAA Authentication...................................................................................................782

Obscuring Passwords and Keys...................................................................................................................................785

AAA Authorization......................................................................................................................................................... 785

Privilege Levels Overview.......................................................................................................................................785

Conguration Task List for Privilege Levels..........................................................................................................786

RADIUS........................................................................................................................................................................... 790

RADIUS Authentication...........................................................................................................................................790

Conguration Task List for RADIUS....................................................................................................................... 791

Support for Change of Authorization and Disconnect Messages packets...................................................... 795

TACACS+........................................................................................................................................................................806

Conguration Task List for TACACS+................................................................................................................... 806

TACACS+ Remote Authentication........................................................................................................................ 808

Command Authorization.........................................................................................................................................809

Protection from TCP Tiny and Overlapping Fragment Attacks............................................................................... 809

Enabling SCP and SSH................................................................................................................................................. 809

Using SCP with SSH to Copy a Software Image................................................................................................. 810

Removing the RSA Host Keys and Zeroizing Storage .........................................................................................811

Conguring When to Re-generate an SSH Key ...................................................................................................811

Conguring the SSH Server Key Exchange Algorithm........................................................................................812

Contents

Conguring the HMAC Algorithm for the SSH Server........................................................................................812

Conguring the SSH Server Cipher List................................................................................................................813

Conguring DNS in the SSH Server...................................................................................................................... 813

Secure Shell Authentication....................................................................................................................................814

Troubleshooting SSH................................................................................................................................................816

Telnet................................................................................................................................................................................816

VTY Line and Access-Class Conguration.................................................................................................................. 817

VTY Line Local Authentication and Authorization................................................................................................ 817

VTY Line Remote Authentication and Authorization........................................................................................... 818

VTY MAC-SA Filter Support...................................................................................................................................818

Role-Based Access Control...........................................................................................................................................818

Overview of RBAC...................................................................................................................................................819

User Roles................................................................................................................................................................. 821

AAA Authentication and Authorization for Roles.................................................................................................824

Role Accounting....................................................................................................................................................... 827

Display Information About User Roles...................................................................................................................828

Two Factor Authentication (2FA)................................................................................................................................ 829

Handling Access-Challenge Message................................................................................................................... 829

Conguring Challenge Response Authentication for SSHv2............................................................................. 829

SMS-OTP Mechanism............................................................................................................................................830

Conguring the System to Drop Certain ICMP Reply Messages............................................................................830

Dell EMC Networking OS Security Hardening...........................................................................................................832

Dell EMC Networking OS Image Verication.......................................................................................................832

Startup Conguration Verication......................................................................................................................... 833

Conguring the root User Password.....................................................................................................................834

Locking Access to GRUB Interface.......................................................................................................................835

Enabling User Lockout for Failed Login Attempts............................................................................................... 836

46 Service Provider Bridging........................................................................................................................ 837

VLAN Stacking............................................................................................................................................................... 837

Important Points to Remember............................................................................................................................. 838

Congure VLAN Stacking.......................................................................................................................................838

Creating Access and Trunk Ports.......................................................................................................................... 839

Enable VLAN-Stacking for a VLAN.......................................................................................................................840

Conguring the Protocol Type Value for the Outer VLAN Tag.......................................................................... 840

Conguring Dell EMC Networking OS Options for Trunk Ports........................................................................ 840

Debugging VLAN Stacking......................................................................................................................................841

VLAN Stacking in Multi-Vendor Networks........................................................................................................... 842

VLAN Stacking Packet Drop Precedence.................................................................................................................. 845

Enabling Drop Eligibility........................................................................................................................................... 845

Honoring the Incoming DEI Value..........................................................................................................................846

Marking Egress Packets with a DEI Value............................................................................................................ 847

Dynamic Mode CoS for VLAN Stacking..................................................................................................................... 847

Mapping C-Tag to S-Tag dot1p Values...................................................................................................................848

Layer 2 Protocol Tunneling........................................................................................................................................... 849

Implementation Information.................................................................................................................................... 851

Contents

Enabling Layer 2 Protocol Tunneling...................................................................................................................... 851

Specifying a Destination MAC Address for BPDUs.............................................................................................852

Setting Rate-Limit BPDUs......................................................................................................................................852

Debugging Layer 2 Protocol Tunneling..................................................................................................................853

Provider Backbone Bridging.........................................................................................................................................853

47 sFlow....................................................................................................................................................... 854

Overview.........................................................................................................................................................................854

Implementation Information..........................................................................................................................................854

Important Points to Remember............................................................................................................................. 855

Enabling Extended sFlow..............................................................................................................................................855

Enabling and Disabling sFlow on an Interface............................................................................................................856

Enabling sFlow Max-Header Size Extended.............................................................................................................. 856

sFlow Show Commands............................................................................................................................................... 857

Displaying Show sFlow Global................................................................................................................................857

Displaying Show sFlow on an Interface................................................................................................................ 858

Displaying Show sFlow on a Stack-unit................................................................................................................ 858

Conguring Specify Collectors.................................................................................................................................... 859

Changing the Polling Intervals......................................................................................................................................859

Back-O Mechanism.................................................................................................................................................... 859

sFlow on LAG ports.......................................................................................................................................................860

Enabling Extended sFlow..............................................................................................................................................860

Important Points to Remember.............................................................................................................................. 861

48 Simple Network Management Protocol (SNMP)..................................................................................... 862

Protocol Overview.........................................................................................................................................................863

Implementation Information..........................................................................................................................................863

SNMPv3 Compliance With FIPS................................................................................................................................. 863

Conguration Task List for SNMP...............................................................................................................................864

Related Conguration Tasks...................................................................................................................................864

Important Points to Remember................................................................................................................................... 865

Set up SNMP.................................................................................................................................................................865

Creating a Community............................................................................................................................................865

Setting Up User-Based Security (SNMPv3)....................................................................................................... 865

Reading Managed Object Values................................................................................................................................. 867

Writing Managed Object Values...................................................................................................................................867

Conguring Contact and Location Information using SNMP...................................................................................868

Subscribing to Managed Object Value Updates using SNMP................................................................................. 868

Enabling a Subset of SNMP Traps.............................................................................................................................. 869

Enabling an SNMP Agent to Notify Syslog Server Failure........................................................................................873

Copy Conguration Files Using SNMP........................................................................................................................874

Copying a Conguration File...................................................................................................................................875

Copying Conguration Files via SNMP................................................................................................................. 876

Copying the Startup-Cong Files to the Running-Cong.................................................................................. 876

Copying the Startup-Cong Files to the Server via FTP.................................................................................... 877

Copying the Startup-Cong Files to the Server via TFTP..................................................................................877

Contents

Copy a Binary File to the Startup-Conguration..................................................................................................878

Additional MIB Objects to View Copy Statistics.................................................................................................. 878

Obtaining a Value for MIB Objects.........................................................................................................................879

MIB Support to Display Reason for Last System Reboot.........................................................................................879

Viewing the Reason for Last System Reboot Using SNMP...............................................................................880

MIB Support for Power Monitoring.............................................................................................................................880

MIB Support to Display the Available Memory Size on Flash................................................................................... 881

Viewing the Available Flash Memory Size............................................................................................................. 881

MIB Support to Display the Software Core Files Generated by the System.......................................................... 881

Viewing the Software Core Files Generated by the System..............................................................................882

SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................882

MIB Support to Display the Available Partitions on Flash.........................................................................................883

Viewing the Available Partitions on Flash............................................................................................................. 884

MIB Support to Display Egress Queue Statistics.......................................................................................................885

MIB Support to ECMP Group Count..........................................................................................................................885

Viewing the ECMP Group Count Information......................................................................................................885

MIB Support for entAliasMappingTable ..................................................................................................................... 888

Viewing the entAliasMappingTable MIB................................................................................................................888

MIB Support for LAG.................................................................................................................................................... 888

Viewing the LAG MIB..............................................................................................................................................890

MIB Support to Display Unrecognized LLDP TLVs................................................................................................... 890

MIB Support to Display Reserved Unrecognized LLDP TLVs............................................................................890

MIB Support to Display Organizational Specic Unrecognized LLDP TLVs......................................................891

MIB Support to Display Unrecognized LLDP TLVs....................................................................................................892

Viewing the Details of Reserved Unrecognized LLDP TLVs.............................................................................. 892

MIB Support for LLDP Notication Interval............................................................................................................... 893

Manage VLANs using SNMP....................................................................................................................................... 893

Creating a VLAN......................................................................................................................................................893

Assigning a VLAN Alias........................................................................................................................................... 893

Displaying the Ports in a VLAN..............................................................................................................................894

Add Tagged and Untagged Ports to a VLAN....................................................................................................... 894

Managing Overload on Startup....................................................................................................................................895

Enabling and Disabling a Port using SNMP................................................................................................................895

Fetch Dynamic MAC Entries using SNMP................................................................................................................. 896

Example of Deriving the Interface Index Number......................................................................................................897

MIB Objects for Viewing the System Image on Flash Partitions....................................................................... 897

Monitoring BGP sessions via SNMP........................................................................................................................... 897

Monitor Port-Channels.................................................................................................................................................899

Troubleshooting SNMP Operation.............................................................................................................................. 900

Transceiver Monitoring.................................................................................................................................................. 901

49 Stacking.................................................................................................................................................. 903

Stacking Overview........................................................................................................................................................ 903

Stack Management Roles.......................................................................................................................................903

Stack Master Election.............................................................................................................................................904

Virtual IP................................................................................................................................................................... 905

Contents

Failover Roles...........................................................................................................................................................905

MAC Addressing on Stacks....................................................................................................................................905

Stacking LAG........................................................................................................................................................... 906

Supported Stacking Topologies............................................................................................................................. 906

High Availability on Stacks......................................................................................................................................907

Management Access on Stacks.............................................................................................................................907

Important Points to Remember................................................................................................................................... 908

Stacking Installation Tasks............................................................................................................................................ 908

Create a Stack......................................................................................................................................................... 908

Add Units to an Existing Stack............................................................................................................................... 912

Split a Stack.............................................................................................................................................................. 914

Stacking Conguration Tasks........................................................................................................................................914

Assigning Unit Numbers to Units in an Stack.......................................................................................................915

Creating a Virtual Stack Unit on a Stack...............................................................................................................915

Displaying Information about a Stack.....................................................................................................................915

Inuencing Management Unit Selection on a Stack............................................................................................ 917

Managing Redundancy on a Stack.........................................................................................................................917

Resetting a Unit on a Stack.................................................................................................................................... 918

Verify a Stack Conguration......................................................................................................................................... 918

Displaying the Status of Stacking Ports................................................................................................................ 918

Remove Units or Front End Ports from a Stack.........................................................................................................919

Removing a Unit from a Stack................................................................................................................................919

Removing Front End Port Stacking....................................................................................................................... 919

Troubleshoot a Stack.....................................................................................................................................................920

Recover from Stack Link Flaps.............................................................................................................................. 920

Recover from a Card Problem State on a Stack..................................................................................................920

50 Storm Control.......................................................................................................................................... 921

Congure Storm Control............................................................................................................................................... 921

Conguring Storm Control from INTERFACE Mode............................................................................................921

Conguring Storm Control from CONFIGURATION Mode................................................................................922

Detect PFC Storm.........................................................................................................................................................922

Restore Queue Drop State........................................................................................................................................... 923

PFC Storm......................................................................................................................................................................923

View Details of Storm Control PFC.............................................................................................................................923

51 Spanning Tree Protocol (STP)..................................................................................................................925

Protocol Overview.........................................................................................................................................................925

Congure Spanning Tree...............................................................................................................................................926

Related Conguration Tasks...................................................................................................................................926

Important Points to Remember................................................................................................................................... 926

Conguring Interfaces for Layer 2 Mode....................................................................................................................927

Enabling Spanning Tree Protocol Globally...................................................................................................................928

Adding an Interface to the Spanning Tree Group...................................................................................................... 930

Modifying Global Parameters.......................................................................................................................................930

Modifying Interface STP Parameters...........................................................................................................................931

Contents

Enabling PortFast........................................................................................................................................................... 931

Prevent Network Disruptions with BPDU Guard.................................................................................................932

Selecting STP Root....................................................................................................................................................... 934

STP Root Guard.............................................................................................................................................................934

Root Guard Scenario...............................................................................................................................................934

Conguring Root Guard..........................................................................................................................................935

Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................936

Conguring Spanning Trees as Hitless........................................................................................................................936

STP Loop Guard.............................................................................................................................................................936

Conguring Loop Guard..........................................................................................................................................938

Displaying STP Guard Conguration........................................................................................................................... 938

52 SupportAssist..........................................................................................................................................940

Conguring SupportAssist Using a Conguration Wizard.........................................................................................941

Conguring SupportAssist Manually............................................................................................................................941

Conguring SupportAssist Activity............................................................................................................................. 943

Conguring SupportAssist Company..........................................................................................................................944

Conguring SupportAssist Person.............................................................................................................................. 945

Conguring SupportAssist Server...............................................................................................................................945

Viewing SupportAssist Conguration......................................................................................................................... 946

53 System Time and Date.............................................................................................................................948

Network Time Protocol................................................................................................................................................. 948

Protocol Overview...................................................................................................................................................949

Congure the Network Time Protocol..................................................................................................................949

Enabling NTP........................................................................................................................................................... 950

Conguring NTP Broadcasts................................................................................................................................. 950

Disabling NTP on an Interface................................................................................................................................ 951

Conguring a Source IP Address for NTP Packets..............................................................................................951

Conguring NTP Authentication............................................................................................................................ 951

Conguring NTP control key password................................................................................................................954

Dell EMC Networking OS Time and Date...................................................................................................................954

Conguration Task List .......................................................................................................................................... 954

Setting the Time and Date for the Switch Software Clock............................................................................... 954

Setting the Timezone..............................................................................................................................................955

Set Daylight Saving Time........................................................................................................................................955

Setting Daylight Saving Time Once.......................................................................................................................955

Setting Recurring Daylight Saving Time............................................................................................................... 956

54 Tunneling................................................................................................................................................. 958

Conguring a Tunnel..................................................................................................................................................... 958

Conguring Tunnel Keepalive Settings........................................................................................................................959

Conguring a Tunnel Interface.....................................................................................................................................960

Conguring Tunnel Allow-Remote Decapsulation......................................................................................................960

Conguring Tunnel source anylocal Decapsulation.................................................................................................... 961

Guidelines for Conguring Multipoint Receive-Only Tunnels.................................................................................... 961

Contents

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