Dell PowerSwitch S5000 User Manual

Dell 9.7(0.0) Configuration Guide for the S5000 Switch

Notes, Cautions, and Warnings

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

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.

Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

2015 - 02

Rev. A00

Contents
1 About this Guide..................................................................................................	37
Audience..............................................................................................................................................	37
Conventions........................................................................................................................................	37
Related Documents.............................................................................................................................	37
2 Configuration Fundamentals...........................................................................	38
Accessing the Command Line............................................................................................................	38
CLI Modes............................................................................................................................................	38
Navigating CLI Modes...................................................................................................................	40
Port Numbering Convention..............................................................................................................	42
The do Command...............................................................................................................................	42
The no Command...............................................................................................................................	43
Obtaining Help....................................................................................................................................	44
Entering and Editing Commands.......................................................................................................	44
Command History...............................................................................................................................	45
Filtering show Command Outputs.....................................................................................................	45
Multiple Users in Configuration Mode...............................................................................................	47
3 Getting Started...................................................................................................	48
Accessing Ports...................................................................................................................................	48
Accessing the RJ-45/RS-232 Console Port.......................................................................................	48
Pin Assignments..................................................................................................................................	49
Accessing the CLI Interface and Running Scripts Using SSH............................................................	49
Entering CLI commands Using an SSH Connection...................................................................	49
Executing Local CLI Scripts Using an SSH Connection...............................................................	49
Default Configuration.........................................................................................................................	50
Accessing the USB-B Console Port...................................................................................................	50
Booting Process...................................................................................................................................	51
Enter the Initial Configuration Information........................................................................................	53
Configuring the Enable Password......................................................................................................	53
Configuring a Host Name...................................................................................................................	54
Navigating CLI Modes.........................................................................................................................	54
Default Configuration.........................................................................................................................	54
Configuring Layer 2 (Data Link) Mode................................................................................................	54
Accessing the System Remotely.........................................................................................................	55
Configure the Management Port IP Address.....................................................................................	55
Configure a Management Route........................................................................................................	55
Configuring a Username and Password.............................................................................................	56

Creating a Port-based VLAN...............................................................................................................	56
Assigning Interfaces to a VLAN...........................................................................................................	56
Assigning an IP Address to a VLAN.....................................................................................................	57
Connect the S5000 to the Network...................................................................................................	57
Configure File Management...............................................................................................................	57
Copying Files to and from the System...............................................................................................	58
Important Points to Remember....................................................................................................	58
Mounting an NFS File System.............................................................................................................	59
Important Points to Remember....................................................................................................	59
Saving the Running-Configuration....................................................................................................	60
Viewing Files........................................................................................................................................	61
View Configuration Files.....................................................................................................................	62
Compressing Configuration Files.......................................................................................................	63
Managing the File System...................................................................................................................	66
Enabling Software Features on Devices Using a Command Option................................................	67
View Command History......................................................................................................................	67
Upgrading and Downgrading Dell Networking OS...........................................................................	68
Using Hashes to Validate Software Images.......................................................................................	68
Using HTTP for File Transfers.............................................................................................................	69
4 Switch Management..........................................................................................	70
Configuring Privilege Levels...............................................................................................................	70
Creating a Custom Privilege Level................................................................................................	70
Removing a Command from EXEC Mode.........................................................................................	70
Moving a Command from EXEC Privilege Mode to EXEC Mode......................................................	70
Allowing Access to CONFIGURATION Mode Commands.................................................................	71
Allowing Access to the Following Modes...........................................................................................	71
Applying a Privilege Level to a Username..........................................................................................	73
Applying a Privilege Level to a Terminal Line.....................................................................................	73
Configuring Logging...........................................................................................................................	73
Log Messages in the Internal Buffer...................................................................................................	74
Configuration Task List for System Log Management.................................................................	74
Disabling System Logging.............................................................................................................	74
Sending System Messages to a Syslog Server..............................................................................	74
Configuring a UNIX System as a Syslog Server..................................................................................	75
Changing System Logging Settings....................................................................................................	75
Display the Logging Buffer and the Logging Configuration..............................................................	76
Configuring a UNIX Logging Facility Level.........................................................................................	77
Synchronizing Log Messages..............................................................................................................	78
Enabling Timestamp on Syslog Messages..........................................................................................	78
File Transfer Services...........................................................................................................................	79
Configuration Task List for File Transfer Services........................................................................	79

Enabling the FTP Server................................................................................................................	79
Configuring FTP Server Parameters..............................................................................................	79
Configuring FTP Client Parameters..............................................................................................	80
Terminal Lines......................................................................................................................................	81
Denying and Permitting Access to a Terminal Line.....................................................................	81
Configuring Login Authentication for Terminal Lines.......................................................................	81
Setting Time Out of EXEC Privilege Mode.........................................................................................	82
Using Telnet to get to Another Network Device...............................................................................	83
Lock CONFIGURATION Mode............................................................................................................	84
Viewing the Configuration Lock Status........................................................................................	84
View the Configuration Lock Status...................................................................................................	85
Recovering from a Forgotten Password............................................................................................	85
Recovering from a Forgotten Enable Password................................................................................	86
Recovering from a Failed Start...........................................................................................................	86
5 802.1ag.................................................................................................................	88
Ethernet CFM......................................................................................................................................	88
Maintenance Domains........................................................................................................................	89
Maintenance Points............................................................................................................................	89
Maintenance End Points.....................................................................................................................	90
Implementation Information...............................................................................................................	91
Configuring the CFM...........................................................................................................................	91
Related Configuration Tasks.........................................................................................................	91
Enabling Ethernet CFM........................................................................................................................	91
Creating a Maintenance Domain........................................................................................................	91
Creating a Maintenance Association..................................................................................................	92
Create Maintenance Points................................................................................................................	92
Creating a Maintenance End Point...............................................................................................	92
Creating a Maintenance Intermediate Point................................................................................	93
Displaying the MP Databases........................................................................................................	94
Setting the MP Database Persistence...........................................................................................	94
Continuity Check Messages...............................................................................................................	95
Enabling CCM................................................................................................................................	96
Enabling Cross-Checking.............................................................................................................	96
Sending Loopback Messages and Responses...................................................................................	96
Sending Linktrace Messages and Responses.....................................................................................	97
Caching Link Trace........................................................................................................................	97
Enabling CFM SNMP Traps.................................................................................................................	98
Displaying Ethernet CFM Statistics...................................................................................................	100
6 802.1X.................................................................................................................	101

The Port-Authentication Process.....................................................................................................

102

EAP over RADIUS..............................................................................................................................	104
RADIUS Attributes for 802.1 Support..........................................................................................	104
Configuring 802.1X...........................................................................................................................	104
Related Configuration Tasks.......................................................................................................	104
Important Points to Remember..................................................................................................	105
Enabling 802.1X.................................................................................................................................	105
Configuring Request Identity Re-Transmissions.............................................................................	107
Configuring a Quiet Period after a Failed Authentication...............................................................	107
Forcibly Authorizing or Unauthorizing a Port..................................................................................	108
Re-Authenticating a Port..................................................................................................................	109
Configuring Timeouts.......................................................................................................................	110
Configuring Dynamic VLAN Assignment with Port Authentication.................................................	111
Guest and Authentication-Fail VLANs...............................................................................................	112
Configuring a Guest VLAN...........................................................................................................	113
Configuring an Authentication-Fail VLAN..................................................................................	113
7 Access Control List (ACL) VLAN Groups and Content Addressable
Memory (CAM)......................................................................................................	115
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..........................................	115
Guidelines for Configuring ACL VLAN groups.................................................................................	116
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.........................	117
Configuring ACL VLAN Groups...................................................................................................	117
Configuring FP Blocks for VLAN Parameters..............................................................................	118
Viewing CAM Usage..........................................................................................................................	119
Allocating FP Blocks for VLAN Processes........................................................................................	120
8 Access Control Lists (ACLs).............................................................................	122
IP Access Control Lists (ACLs)..........................................................................................................	122
CAM Allocation and CAM Optimization...........................................................................................	123
User Configurable CAM Allocation.............................................................................................	123
CAM Optimization.......................................................................................................................	124
Test CAM Usage..........................................................................................................................	124
View CAM-ACL Settings..............................................................................................................	124
View CAM Usage.........................................................................................................................	126
QoS CAM Region Limitation.......................................................................................................	126
Implementing ACLs on Dell Networking OS....................................................................................	127
ACLs and VLANs...........................................................................................................................	127
ACL Optimization........................................................................................................................	127
Determine the Order in which ACLs are Used to Classify Traffic..............................................	127
IP Fragment Handling.......................................................................................................................	128
IP Fragments ACL Examples.......................................................................................................	129
Layer 4 ACL Rules Examples.......................................................................................................	129

Configure a Standard IP ACL............................................................................................................	130
Configuring a Standard IP ACL Filter...........................................................................................	131
Configure an Extended IP ACL.........................................................................................................	132
Configuring Filters with a Sequence Number............................................................................	132
Configuring Filters Without a Sequence Number......................................................................	133
Established Flag.................................................................................................................................	134
Configure Layer 2 and Layer 3 ACLs................................................................................................	134
Assign an IP ACL to an Interface.......................................................................................................	135
Applying an IP ACL......................................................................................................................	135
Counting ACL Hits.......................................................................................................................	136
Configure Ingress ACLs.....................................................................................................................	136
Configure Egress ACLs......................................................................................................................	137
Applying Egress Layer 3 ACLs (Control-Plane)...........................................................................	137
Configure ACLs to Loopback...........................................................................................................	138
Applying an ACL on Loopback Interfaces........................................................................................	138
IP Prefix Lists......................................................................................................................................	139
Implementation Information......................................................................................................	140
Configuration Task List for Prefix Lists.......................................................................................	140
Creating a Prefix List.........................................................................................................................	140
Creating a Prefix List Without a Sequence Number...................................................................	141
Viewing Prefix Lists......................................................................................................................	142
Applying a Prefix List for Route Redistribution...........................................................................	143
Applying a Filter to a Prefix List (OSPF).......................................................................................	143
ACL Resequencing............................................................................................................................	144
Resequencing an ACL or Prefix List............................................................................................	145
Route Maps........................................................................................................................................	146
Implementation Information......................................................................................................	146
Important Points to Remember..................................................................................................	146
Configuration Task List for Route Maps.....................................................................................	147
Creating a Route Map..................................................................................................................	147
Configure Route Map Filters.......................................................................................................	148
Configuring Match Routes..........................................................................................................	149
Configuring Set Conditions.........................................................................................................	151
Configure a Route Map for Route Redistribution......................................................................	152
Configure a Route Map for Route Tagging................................................................................	152
Continue Clause..........................................................................................................................	153
9 Bidirectional Forwarding Detection (BFD)...................................................	154
How BFD Works................................................................................................................................	154
BFD Packet Format............................................................................................................................	155
BFD Sessions.....................................................................................................................................	156
BFD Three-Way Handshake..............................................................................................................	157

Session State Changes......................................................................................................................	158
Important Points to Remember..................................................................................................	159
Configure BFD...................................................................................................................................	159
Configure BFD for Physical Ports...............................................................................................	160
Configure BFD for Static Routes.................................................................................................	163
Configure BFD for OSPF.............................................................................................................	165
Configure BFD for IS-IS...............................................................................................................	168
Configure BFD for BGP................................................................................................................	171
Configuring Protocol Liveness....................................................................................................	178
Troubleshooting BFD........................................................................................................................	178
10 Border Gateway Protocol IPv4 (BGPv4)....................................................	180
Autonomous Systems (AS)................................................................................................................	180
Sessions and Peers............................................................................................................................	182
Establish a Session.......................................................................................................................	183
Route Reflectors................................................................................................................................	184
Communities.....................................................................................................................................	185
BGP Attributes...................................................................................................................................	185
Best Path Selection Criteria.........................................................................................................	185
Weight................................................................................................................................................	187
Local Preference...............................................................................................................................	187
Multi-Exit Discriminators (MEDs)................................................................................................	188
Origin.................................................................................................................................................	189
AS Path..............................................................................................................................................	190
Next Hop...........................................................................................................................................	190
Multiprotocol BGP............................................................................................................................	190
Implement BGP with Dell Networking OS.......................................................................................	191
Additional Path (Add-Path) Support............................................................................................	191
Advertise IGP Cost as MED for Redistributed Routes.................................................................	191
Ignore Router-ID for Some Best-Path Calculations..................................................................	192
Four-Byte AS Numbers...............................................................................................................	192
AS4 Number Representation......................................................................................................	193
AS Number Migration........................................................................................................................	194
BGP4 Management Information Base (MIB)....................................................................................	196
Important Points to Remember..................................................................................................	196
Configuration Information................................................................................................................	197
BGP Configuration......................................................................................................................	197
Enabling BGP.....................................................................................................................................	198
Configuring AS4 Number Representations.....................................................................................	202
Configuring Peer Groups.................................................................................................................	203
Configuring BGP Fast Fall-Over.......................................................................................................	206
Configuring Passive Peering............................................................................................................	208

Maintaining Existing AS Numbers During an AS Migration	............................................................. 209
Allowing an AS Number to Appear in its Own AS Path...................................................................	210
Enabling Graceful Restart..................................................................................................................	211
Enabling Neighbor Graceful Restart.................................................................................................	212
Filtering on an AS-Path Attribute......................................................................................................	212
Regular Expressions as Filters.....................................................................................................	214
Filtering BGP Routes Using AS-PATH Information..........................................................................	215
Redistributing Routes........................................................................................................................	216
Enabling Additional Paths..................................................................................................................	217
Configuring IP Community Lists.......................................................................................................	217
Filtering Routes with Community Lists.............................................................................................	219
Manipulating the COMMUNITY Attribute.........................................................................................	219
Changing MED Attributes..................................................................................................................	221
Changing the LOCAL_PREFERENCE Attribute.................................................................................	221
Changing the NEXT_HOP Attribute.................................................................................................	222
Changing the WEIGHT Attribute......................................................................................................	223
Enabling Multipath............................................................................................................................	223
Filtering BGP Routes Using Route Maps..........................................................................................	223
Filtering BGP Routes Using AS-PATH Information..........................................................................	224
Filtering BGP Routes.........................................................................................................................	225
Filtering BGP Routes Using Route Maps....................................................................................	226
Filtering BGP Routes Using AS-PATH Information....................................................................	227
Configuring BGP Route Reflectors..................................................................................................	228
Aggregating Routes..........................................................................................................................	228
Configuring BGP Confederations....................................................................................................	229
Enabling Route Flap Dampening.....................................................................................................	230
Changing BGP Timers.......................................................................................................................	232
Enabling BGP Neighbor Soft-Reconfiguration................................................................................	233
Route Map Continue........................................................................................................................	234
Match a Clause with a Continue Clause....................................................................................	234
Set a Clause with a Continue Clause.........................................................................................	235
Enabling MBGP Configurations........................................................................................................	235
BGP Regular Expression Optimization.............................................................................................	236
Debugging BGP................................................................................................................................	236
Storing Last and Bad PDUs.........................................................................................................	237
Capturing PDUs...........................................................................................................................	238
PDU Counters.............................................................................................................................	239
Sample Configurations.....................................................................................................................	239
11 Bare Metal Provisioning (BMP).....................................................................	249

Prerequisites......................................................................................................................................	249
Restrictions.......................................................................................................................................	249

Reconfiguring Jumpstart and Normal Modes.................................................................................	249
Jumpstart Mode................................................................................................................................	251
DHCP Server/Configuration........................................................................................................	251
MAC-Based IP Assignment.........................................................................................................	253
DHCP Retry Mechanism.............................................................................................................	253
File Server..........................................................................................................................................	254
Domain Name Server.......................................................................................................................	254
Switch Boot and Set-up Behavior in Jumpstart Mode....................................................................	255
12 Content Addressable Memory (CAM).........................................................	257
CAM Allocation..................................................................................................................................	257
Re-Allocating CAM for Ingress ACLs and QoS................................................................................	258
Re-Allocating CAM for Egress ACLs.................................................................................................	259
Testing CAM Usage for QoS Policies...............................................................................................	260
Displaying CAM-ACL Settings..........................................................................................................	260
Displaying CAM-ACL-Egress Settings..............................................................................................	261
CAM Optimization.............................................................................................................................	261
Troubleshoot CAM Profiling.......................................................................................................	262
13 Control Plane Policing (CoPP).....................................................................	263
Configure Control Plane Policing....................................................................................................	264
Configuring CoPP for Protocols......................................................................................................	265
Configuring CoPP for CPU Queues.................................................................................................	267
Show Commands.............................................................................................................................	268
14 Data Center Bridging (DCB).........................................................................	270
Ethernet Enhancements in Data Center Bridging...........................................................................	270
Priority-Based Flow Control........................................................................................................	271
Enhanced Transmission Selection..............................................................................................	272
Data Center Bridging Exchange Protocol (DCBx)......................................................................	273
Data Center Bridging in a Traffic Flow.......................................................................................	274
Enabling Data Center Bridging.........................................................................................................	274
QoS dot1p Traffic Classification and Queue Assignment...............................................................	275
DCB Maps and its Attributes.............................................................................................................	276
DCB Map: Configuration Procedure..........................................................................................	276
Important Points to Remember..................................................................................................	276
Applying a DCB Map on a Port...................................................................................................	277
Configuring PFC without a DCB Map.........................................................................................	277
Configuring Lossless Queues.....................................................................................................	278
Data Center Bridging: Default Configuration..................................................................................	279
Configuring PFC and ETS in a DCB Map.........................................................................................	280
PFC Configuration Notes...........................................................................................................	280

PFC Prerequisites and Restrictions.............................................................................................	281
ETS Configuration Notes............................................................................................................	281
ETS Prerequisites and Restrictions.............................................................................................	282
Configuring Priority-Based Flow Control........................................................................................	283
Configuring Lossless Queues.....................................................................................................	284
Configure Enhanced Transmission Selection.................................................................................	284
ETS Prerequisites and Restrictions.............................................................................................	285
Creating an ETS Priority Group..................................................................................................	285
ETS Operation with DCBx..........................................................................................................	286
Configuring Bandwidth Allocation for DCBx CIN......................................................................	287
Applying DCB Policies in a Switch Stack..........................................................................................	287
Configure a DCBx Operation...........................................................................................................	288
DCBx Operation..........................................................................................................................	288
DCBx Port Roles..........................................................................................................................	288
DCB Configuration Exchange....................................................................................................	290
Configuration Source Election...................................................................................................	290
Propagation of DCB Information................................................................................................	291
Auto-Detection and Manual Configuration of the DCBx Version.............................................	291
Behavior of Tagged Packets.......................................................................................................	292
Configuration Example for DSCP and PFC Priorities.................................................................	292
DCBx Example.............................................................................................................................	293
DCBx Prerequisites and Restrictions..........................................................................................	294
Configuring DCBx.......................................................................................................................	294
Verifying the DCB Configuration.....................................................................................................	298
Using PFC and ETS to Manage Data Center Traffic........................................................................	309
PFC and ETS Configuration Command Examples.....................................................................	311
Using PFC and ETS to Manage Converged Ethernet Traffic......................................................	311
Hierarchical Scheduling in ETS Output Policies.........................................................................	311
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................	312
Pause and Resume of Traffic......................................................................................................	312
Buffer Sizes for Lossless or PFC Packets....................................................................................	313
Configuring the Dynamic Buffer Method.........................................................................................	313
Sample Configurations......................................................................................................................	315
......................................................................................................................................................	315
15 Dynamic Host Configuration Protocol (DHCP)........................................	319
DHCP Packet Format and Options...................................................................................................	319
Assign an IP Address using DHCP.....................................................................................................	321
Implementation Information............................................................................................................	322
Configuration Tasks..........................................................................................................................	322
Configure the System to be a DHCP Server....................................................................................	323
Configuration Tasks....................................................................................................................	323

Configuring the Server for Automatic Address Allocation	........................................................ 324
Specifying a Default Gateway.....................................................................................................	325
Enabling the DHCP Server..........................................................................................................	325
Configure a Method of Hostname Resolution..........................................................................	326
Creating Manual Binding Entries................................................................................................	326
Debugging the DHCP Server......................................................................................................	327
Using DHCP Clear Commands...................................................................................................	327
Configure the System to be a Relay Agent......................................................................................	327
Configure the System for User Port Stacking..................................................................................	329
Configure Secure DHCP...................................................................................................................	329
Option 82....................................................................................................................................	329
DHCP Snooping..........................................................................................................................	330
Drop DHCP Packets on Snooped VLANs Only..........................................................................	332
Dynamic ARP Inspection............................................................................................................	332
Source Address Validation..........................................................................................................	334
Viewing the Number of SAV Dropped Packets................................................................................	336
Clearing the Number of SAV Dropped Packets...............................................................................	336
16 Equal Cost Multi-Path (ECMP).....................................................................	338
ECMP for Flow-Based Affinity..........................................................................................................	338
Configuring the Hash Algorithm......................................................................................................	338
Enabling Deterministic ECMP Next Hop..........................................................................................	338
Configuring the Hash Algorithm Seed.............................................................................................	339
Link Bundle Monitoring....................................................................................................................	339
Managing ECMP Group Paths..........................................................................................................	340
Creating an ECMP Group Bundle....................................................................................................	340
Modifying the ECMP Group Threshold............................................................................................	341
17 Fabric Services................................................................................................	342
Configuring Switch Mode to Fabric Services...................................................................................	343
Name Server......................................................................................................................................	343
Link State Database..........................................................................................................................	344
Inter Switch Link (ISL)..................................................................................................................	345
Principal Switch Selection and Domain ID Assignment............................................................	345
Route Table.................................................................................................................................	345
Zoning...............................................................................................................................................	345
Creating Zone and Adding Members.........................................................................................	345
Creating Zone Alias and Adding Members................................................................................	346
Creating Zonesets.......................................................................................................................	346
Activating a Zoneset....................................................................................................................	347
Zone Merge (within ISL)..............................................................................................................	347
Configuring Fabric Parameters...................................................................................................	347

Displaying the Fabric Parameters...............................................................................................	348
18 FCoE Transit....................................................................................................	354
Fibre Channel over Ethernet............................................................................................................	354
Ensure Robustness in a Converged Ethernet Network...................................................................	354
FIP Snooping on Ethernet Bridges...................................................................................................	356
FIP Snooping in a Switch Stack........................................................................................................	359
Using FIP Snooping...........................................................................................................................	359
Enable the FCoE Transit Feature................................................................................................	359
FIP Snooping Prerequisites.........................................................................................................	360
Important Points to Remember.................................................................................................	360
Enabling the FCoE Transit Feature.............................................................................................	361
Enable FIP Snooping on VLANs..................................................................................................	361
Configure the FC-MAP Value.....................................................................................................	362
Configure a Port for a Bridge-to-Bridge Link............................................................................	362
Configure a Port for a Bridge-to-FCF Link................................................................................	362
Impact on Other Software Features...........................................................................................	362
FIP Snooping on an NPIV Proxy Gateway..................................................................................	363
FIP Snooping in an S5000 Stack.................................................................................................	363
Impact on Other Software Features...........................................................................................	363
FIP Snooping Restrictions...........................................................................................................	364
Configuring FIP Snooping..........................................................................................................	365
Displaying FIP Snooping Information........................................................................................	366
FCoE Transit Configuration Example...............................................................................................	372
19 Enabling FIPS Cryptography........................................................................	374
Configuration Tasks..........................................................................................................................	374
Preparing the System........................................................................................................................	374
Enabling FIPS Mode...........................................................................................................................	375
Generating Host-Keys.......................................................................................................................	375
Monitoring FIPS Mode Status...........................................................................................................	376
Disabling FIPS Mode.........................................................................................................................	376
20 Fibre Channel Interface................................................................................	378
Configure Fibre Channel Interfaces.................................................................................................	378
Enabling Fibre Channel Capability...................................................................................................	378
Configuring Fibre Channel Interfaces..............................................................................................	378
Displaying Fibre Channel Information.............................................................................................	379
Troubleshooting Fibre Channel Operation.....................................................................................	382
Configuring the Fibre Channel Port Group in Passthrough Ethernet Mode..................................	384
Displaying Fibre Channel Port Group Mode Information...............................................................	384

21 Force10 Resilient Ring Protocol (FRRP).....................................................	386
Protocol Overview............................................................................................................................	386
Ring Status...................................................................................................................................	388
Multiple FRRP Rings....................................................................................................................	389
Important FRRP Points................................................................................................................	390
Important FRRP Concepts..........................................................................................................	391
Implementing FRRP..........................................................................................................................	392
FRRP Configuration..........................................................................................................................	392
Creating the FRRP Group...........................................................................................................	393
Configuring the Control VLAN...................................................................................................	393
Configuring and Adding the Member VLANs............................................................................	394
Setting the FRRP Timers.............................................................................................................	395
Clearing the FRRP Counters.......................................................................................................	396
Viewing the FRRP Configuration................................................................................................	396
Viewing the FRRP Information...................................................................................................	396
Troubleshooting FRRP......................................................................................................................	396
Configuration Checks.................................................................................................................	396
Sample Configuration and Topology...............................................................................................	397
22 GARP VLAN Registration Protocol (GVRP)................................................	399
Important Points to Remember.......................................................................................................	399
Configure GVRP................................................................................................................................	399
Related Configuration Tasks......................................................................................................	400
Enabling GVRP Globally...................................................................................................................	400
Enabling GVRP on a Layer 2 Interface.............................................................................................	401
Configure GVRP Registration...........................................................................................................	401
Configure a GARP Timer..................................................................................................................	402
23 High Availability (HA).....................................................................................	403
High Availability on Stacks................................................................................................................	403
Hitless Behavior................................................................................................................................	403
Graceful Restart................................................................................................................................	404
Software Resiliency..........................................................................................................................	404
System Health Monitoring..........................................................................................................	404
Failure and Event Logging..........................................................................................................	404
Trace Log....................................................................................................................................	404
Core Dumps................................................................................................................................	404
System Log..................................................................................................................................	405
Hot-Lock Behavior...........................................................................................................................	405
Component Redundancy.................................................................................................................	405
Automatic and Manual Stack Unit Failover................................................................................	405

Synchronization between Management and Standby Units.....................................................	406
Forcing an Stack Unit Failover....................................................................................................	406
Specifying an Auto-Failover Limit..............................................................................................	407
Disabling Auto-Reboot...............................................................................................................	407
Manually Synchronizing Management and Standby Units........................................................	407
24 Internet Group Management Protocol (IGMP)........................................	408
IGMP Implementation Information.................................................................................................	408
IGMP Protocol Overview..................................................................................................................	408
IGMP Version 2...........................................................................................................................	408
Join a Multicast Group...............................................................................................................	409
Leaving a Multicast Group..........................................................................................................	409
IGMP Version 3............................................................................................................................	410
Configure IGMP.................................................................................................................................	413
Related Configuration Tasks.......................................................................................................	413
Viewing IGMP Enabled Interfaces....................................................................................................	414
Selecting an IGMP Version................................................................................................................	414
Viewing IGMP Groups.......................................................................................................................	415
Adjusting Timers................................................................................................................................	415
Adjusting Query and Response Timers......................................................................................	415
Enabling IGMP Immediate-Leave.....................................................................................................	416
IGMP Snooping.................................................................................................................................	416
IGMP Snooping Implementation Information...........................................................................	416
Configuring IGMP Snooping.......................................................................................................	417
Removing a Group-Port Association..........................................................................................	417
Enabling IGMP Immediate-Leave...............................................................................................	418
Disabling Multicast Flooding.......................................................................................................	418
Specifying a Port as Connected to a Multicast Router..............................................................	418
Configuring the Switch as Querier.............................................................................................	418
Fast Convergence after MSTP Topology Changes..........................................................................	419
Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................	419
Protocol Separation....................................................................................................................	420
Enabling and Disabling Management Egress Interface Selection.............................................	421
Handling of Management Route Configuration........................................................................	422
Handling of Switch-Initiated Traffic...........................................................................................	423
Handling of Switch-Destined Traffic..........................................................................................	424
Handling of Transit Traffic (Traffic Separation)..........................................................................	424
Mapping of Management Applications and Traffic Type..........................................................	425
Behavior of Various Applications for Switch-Initiated Traffic ..................................................	426
Behavior of Various Applications for Switch-Destined Traffic .................................................	427
Interworking of EIS With Various Applications..........................................................................	428
Designating a Multicast Router Interface........................................................................................	428

25 Interfaces.........................................................................................................	429
Basic Interface Configuration..........................................................................................................	429
Advanced Interface Configuration...................................................................................................	429
Interface Types.................................................................................................................................	430
View Basic Interface Information.....................................................................................................	430
Enabling a Physical Interface............................................................................................................	432
Physical Interfaces............................................................................................................................	432
Configuration Task List for Physical Interfaces..........................................................................	433
Overview of Layer Modes...........................................................................................................	433
Configuring Layer 2 (Data Link) Mode.......................................................................................	433
Configuring Layer 2 (Interface) Mode........................................................................................	434
Configuring Layer 3 (Network) Mode........................................................................................	434
Configuring Layer 3 (Interface) Mode........................................................................................	435
Egress Interface Selection (EIS)........................................................................................................	435
Important Points to Remember.................................................................................................	436
Configuring EIS...........................................................................................................................	436
Management Interfaces....................................................................................................................	436
Configuring Management Interfaces.........................................................................................	436
Configuring Management Interfaces on the S-Series...............................................................	437
VLAN Interfaces................................................................................................................................	438
Loopback Interfaces.........................................................................................................................	438
Null Interfaces...................................................................................................................................	439
Port Channel Interfaces....................................................................................................................	439
Port Channel Definition and Standards.....................................................................................	439
Port Channel Benefits.................................................................................................................	440
Port Channel Implementation...................................................................................................	440
10/100/1000 Mbps Interfaces in Port Channels.......................................................................	440
Configuration Tasks for Port Channel Interfaces......................................................................	441
Creating a Port Channel.............................................................................................................	441
Adding a Physical Interface to a Port Channel..........................................................................	442
Reassigning an Interface to a New Port Channel......................................................................	444
Configuring the Minimum Oper Up Links in a Port Channel....................................................	444
.....................................................................................................................................................	445
Assigning an IP Address to a Port Channel................................................................................	445
Deleting or Disabling a Port Channel........................................................................................	446
Load Balancing Through Port Channels....................................................................................	446
Load-Balancing Method.............................................................................................................	446
Changing the Hash Algorithm....................................................................................................	447
Bulk Configuration............................................................................................................................	448
Interface Range...........................................................................................................................	448
Bulk Configuration Examples.....................................................................................................	449

Defining Interface Range Macros....................................................................................................	450
Define the Interface Range........................................................................................................	450
Choosing an Interface-Range Macro.........................................................................................	451
Monitoring and Maintaining Interfaces............................................................................................	451
Maintenance Using TDR.............................................................................................................	452
Splitting QSFP Ports to SFP+ Ports..................................................................................................	453
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................	453
Important Points to Remember.................................................................................................	454
Support for LM4 Optics..............................................................................................................	454
Example Scenarios......................................................................................................................	454
Link Dampening................................................................................................................................	458
Important Points to Remember.................................................................................................	459
Enabling Link Dampening...........................................................................................................	459
Link Bundle Monitoring....................................................................................................................	460
Using Ethernet Pause Frames for Flow Control..............................................................................	461
Enabling Pause Frames...............................................................................................................	462
Configure the MTU Size on an Interface.........................................................................................	462
Port-Pipes.........................................................................................................................................	463
Auto-Negotiation on Ethernet Interfaces........................................................................................	463
Setting the Speed and Duplex Mode of Ethernet Interfaces....................................................	464
Set Auto-Negotiation Options...................................................................................................	465
View Advanced Interface Information.............................................................................................	466
Configuring the Interface Sampling Size...................................................................................	467
Dynamic Counters............................................................................................................................	468
Clearing Interface Counters.......................................................................................................	469
Enhanced Validation of Interface Ranges.......................................................................................	469
26 Internet Protocol Security (IPSec)...............................................................	471
Configuring IPSec ............................................................................................................................	472
27 IPv4 Routing....................................................................................................	473
IP Addresses......................................................................................................................................	473
Implementation Information......................................................................................................	473
Configuration Tasks for IP Addresses..............................................................................................	473
Assigning IP Addresses to an Interface............................................................................................	474
Configuring Static Routes.................................................................................................................	475
Configure Static Routes for the Management Interface.................................................................	477
IPv4 Path MTU Discovery Overview.................................................................................................	477
Using the Configured Source IP Address in ICMP Messages..........................................................	478
Configuring the ICMP Source Interface.....................................................................................	478
Configuring the Duration to Establish a TCP Connection..............................................................	479
Enabling Directed Broadcast............................................................................................................	479

Resolution of Host Names...............................................................................................................	480
Enabling Dynamic Resolution of Host Names................................................................................	480
Specifying the Local System Domain and a List of Domains..........................................................	481
Configuring DNS with Traceroute....................................................................................................	481
ARP....................................................................................................................................................	482
Configuration Tasks for ARP............................................................................................................	482
Configuring Static ARP Entries.........................................................................................................	483
Enabling Proxy ARP..........................................................................................................................	483
Clearing ARP Cache..........................................................................................................................	483
ARP Learning via Gratuitous ARP.....................................................................................................	484
Enabling ARP Learning via Gratuitous ARP......................................................................................	484
ARP Learning via ARP Request.........................................................................................................	485
Configuring ARP Retries...................................................................................................................	485
ICMP..................................................................................................................................................	486
Configuration Tasks for ICMP..........................................................................................................	486
Enabling ICMP Unreachable Messages...........................................................................................	486
UDP Helper.......................................................................................................................................	487
Configure UDP Helper................................................................................................................	487
Important Points to Remember.................................................................................................	487
Enabling UDP Helper........................................................................................................................	487
Configuring a Broadcast Address....................................................................................................	488
Configurations Using UDP Helper...................................................................................................	488
UDP Helper with Broadcast-All Addresses......................................................................................	489
UDP Helper with Subnet Broadcast Addresses...............................................................................	489
UDP Helper with Configured Broadcast Addresses........................................................................	490
UDP Helper with No Configured Broadcast Addresses..................................................................	491
Troubleshooting UDP Helper...........................................................................................................	491
28 IPv6 Routing...................................................................................................	492
Protocol Overview............................................................................................................................	492
Extended Address Space............................................................................................................	492
Stateless Autoconfiguration.......................................................................................................	492
IPv6 Headers...............................................................................................................................	493
IPv6 Header Fields......................................................................................................................	493
Extension Header Fields.............................................................................................................	495
Addressing...................................................................................................................................	496
Implementing IPv6 with Dell Networking OS..................................................................................	497
ICMPv6........................................................................................................................................	497
Path MTU Discovery...................................................................................................................	498
IPv6 Neighbor Discovery............................................................................................................	498
Secure Shell (SSH) Over an IPv6 Transport................................................................................	499
Configuration Tasks for IPv6............................................................................................................	499

Adjusting Your CAM-Profile.......................................................................................................	500
Assigning an IPv6 Address to an Interface.................................................................................	500
Assigning a Static IPv6 Route......................................................................................................	501
Configuring Telnet with IPv6......................................................................................................	501
SNMP over IPv6...........................................................................................................................	502
Showing IPv6 Information..........................................................................................................	502
Showing an IPv6 Interface..........................................................................................................	503
Showing IPv6 Routes..................................................................................................................	503
Showing the Running-Configuration for an Interface..............................................................	505
Clearing IPv6 Routes...................................................................................................................	505
Configuring IPv6 RA Guard..............................................................................................................	505
Configuring IPv6 RA Guard on an Interface..............................................................................	507
Monitoring IPv6 RA Guard..........................................................................................................	508
29 iSCSI Optimization.........................................................................................	509
iSCSI Optimization Overview...........................................................................................................	509
Monitoring iSCSI Traffic Flows....................................................................................................	510
Application of Quality of Service to iSCSI Traffic Flows.............................................................	511
Information Monitored in iSCSI Traffic Flows.............................................................................	511
Detection and Auto-Configuration for Dell EqualLogic Arrays.................................................	512
Configuring Detection and Ports for Dell Compellent Arrays...................................................	512
Enable and Disable iSCSI Optimization......................................................................................	513
Default iSCSI Optimization Values....................................................................................................	513
iSCSI Optimization Prerequisites......................................................................................................	514
Configuring iSCSI Optimization........................................................................................................	514
Displaying iSCSI Optimization Information......................................................................................	516
30 Intermediate System to Intermediate System..........................................	518
IS-IS Protocol Overview....................................................................................................................	518
IS-IS Addressing................................................................................................................................	518
Multi-Topology IS-IS.........................................................................................................................	519
Transition Mode...........................................................................................................................	519
Interface Support........................................................................................................................	520
Adjacencies.................................................................................................................................	520
Graceful Restart................................................................................................................................	520
Timers..........................................................................................................................................	520
Implementation Information............................................................................................................	521
Configuration Information...............................................................................................................	522
Configuration Tasks for IS-IS......................................................................................................	522
Configuring the Distance of a Route..........................................................................................	531
Changing the IS-Type.................................................................................................................	531
IS-IS Metric Styles.............................................................................................................................	536

Configure Metric Values...................................................................................................................	536
Maximum Values in the Routing Table.......................................................................................	537
Change the IS-IS Metric Style in One Level Only......................................................................	537
Leaks from One Level to Another..............................................................................................	539
Sample Configurations.....................................................................................................................	539
31 Link Aggregation Control Protocol (LACP)...............................................	542
Introduction to Dynamic LAGs and LACP.......................................................................................	542
Important Points to Remember.................................................................................................	542
LACP Modes................................................................................................................................	543
Configuring LACP Commands...................................................................................................	543
LACP Configuration Tasks................................................................................................................	544
Creating a LAG............................................................................................................................	544
Configuring the LAG Interfaces as Dynamic.............................................................................	544
Setting the LACP Long Timeout.................................................................................................	545
Monitoring and Debugging LACP..............................................................................................	546
Shared LAG State Tracking...............................................................................................................	546
Configuring Shared LAG State Tracking.....................................................................................	547
Important Points about Shared LAG State Tracking..................................................................	548
LACP Basic Configuration Example.................................................................................................	549
Configure a LAG on ALPHA........................................................................................................	549
32 Layer 2..............................................................................................................	557
Manage the MAC Address Table.......................................................................................................	557
Clearing the MAC Address Table................................................................................................	557
Setting the Aging Time for Dynamic Entries..............................................................................	557
Configuring a Static MAC Address.............................................................................................	558
Displaying the MAC Address Table.............................................................................................	558
MAC Learning Limit...........................................................................................................................	558
mac learning-limit Dynamic.......................................................................................................	559
mac learning-limit mac-address-sticky.....................................................................................	559
mac learning-limit station-move...............................................................................................	559
Learning Limit Violation Actions.................................................................................................	559
Setting Station Move Violation Actions......................................................................................	560
Recovering from Learning Limit and Station Move Violations..................................................	560
NIC Teaming......................................................................................................................................	561
Configure Redundant Pairs..............................................................................................................	562
Important Points about Configuring Redundant Pairs..............................................................	564
Far-End Failure Detection................................................................................................................	565
FEFD State Changes....................................................................................................................	566
Configuring FEFD........................................................................................................................	567
Enabling FEFD on an Interface...................................................................................................	568

Debugging FEFD.........................................................................................................................	569
33 Link Layer Discovery Protocol (LLDP).........................................................	571
802.1AB (LLDP) Overview..................................................................................................................	571
Protocol Data Units.....................................................................................................................	571
Optional TLVs....................................................................................................................................	572
Management TLVs.......................................................................................................................	572
TIA-1057 (LLDP-MED) Overview................................................................................................	574
Configure LLDP.................................................................................................................................	579
Related Configuration Tasks.......................................................................................................	579
Important Points to Remember.................................................................................................	580
LLDP Compatibility.....................................................................................................................	580
CONFIGURATION versus INTERFACE Configurations..............................................................	580
Enabling LLDP..............................................................................................................................	581
Disabling and Undoing LLDP......................................................................................................	581
Enabling LLDP on Management Ports..............................................................................................	581
Disabling and Undoing LLDP on Management Ports................................................................	581
Advertising TLVs................................................................................................................................	582
Viewing the LLDP Configuration......................................................................................................	583
Viewing Information Advertised by Adjacent LLDP Agents............................................................	584
Configuring LLDPDU Intervals.........................................................................................................	585
Configuring Transmit and Receive Mode........................................................................................	585
Configuring a Time to Live...............................................................................................................	586
Debugging LLDP...............................................................................................................................	587
Relevant Management Objects........................................................................................................	588
34 Microsoft Network Load Balancing............................................................	594
NLB Unicast Mode Scenario.............................................................................................................	594
NLB Multicast Mode Scenario..........................................................................................................	595
Limitations With Enabling NLB on Switches....................................................................................	595
Benefits and Working of Microsoft Clustering.................................................................................	595
Enable and Disable VLAN Flooding .................................................................................................	596
Configuring a Switch for NLB ..........................................................................................................	596
.....................................................................................................................................................	596
35 Multicast Source Discovery Protocol (MSDP)...........................................	597
Protocol Overview............................................................................................................................	597
Anycast RP........................................................................................................................................	599
Implementation Information............................................................................................................	599
Configure Multicast Source Discovery Protocol.............................................................................	599
Related Configuration Tasks............................................................................................................	599
Enable MSDP.....................................................................................................................................	603

Manage the Source-Active Cache...................................................................................................	604
Viewing the Source-Active Cache.............................................................................................	604
Limiting the Source-Active Cache.............................................................................................	604
Clearing the Source-Active Cache............................................................................................	605
Enabling the Rejected Source-Active Cache............................................................................	605
Accept Source-Active Messages that Fail the RFP Check..............................................................	605
Specifying Source-Active Messages................................................................................................	609
Limiting the Source-Active Messages from a Peer..........................................................................	610
Preventing MSDP from Caching a Local Source.............................................................................	610
Preventing MSDP from Caching a Remote Source..........................................................................	611
Preventing MSDP from Advertising a Local Source.........................................................................	612
Logging Changes in Peership States................................................................................................	613
Terminating a Peership.....................................................................................................................	613
Clearing Peer Statistics......................................................................................................................	613
Debugging MSDP..............................................................................................................................	614
Configuring Anycast RP....................................................................................................................	614
Reducing Source-Active Message Flooding..............................................................................	615
Specifying the RP Address Used in SA Messages.......................................................................	615
MSDP Sample Configurations..........................................................................................................	618
36 Multiple Spanning Tree Protocol (MSTP)..................................................	622
Protocol Overview............................................................................................................................	622
Configure Multiple Spanning Tree Protocol....................................................................................	623
Related Configuration Tasks.......................................................................................................	623
Enable Multiple Spanning Tree Globally..........................................................................................	623
Adding and Removing Interfaces.....................................................................................................	624
Creating Multiple Spanning Tree Instances.....................................................................................	624
Influencing MSTP Root Selection.....................................................................................................	625
Interoperate with Non-Dell Networking OS Bridges......................................................................	626
Modifying Global Parameters...........................................................................................................	626
Modifying the Interface Parameters.................................................................................................	627
Configuring an EdgePort..................................................................................................................	628
Configuring Fast Hellos for Link State Detection............................................................................	629
Flush MAC Addresses after a Topology Change.............................................................................	630
MSTP Sample Configurations..........................................................................................................	630
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration.............................................................	631
Debugging and Verifying MSTP Configurations..............................................................................	633
37 Multicast Features..........................................................................................	636

Enabling IP Multicast........................................................................................................................	636
Implementation Information............................................................................................................	636

First Packet Forwarding for Lossless Multicast................................................................................	637
IPv4 Multicast Policies......................................................................................................................	637
Limiting the Number of Multicast Routes..................................................................................	637
Preventing a Host from Joining a Group...................................................................................	638
Preventing a PIM Router from Forming an Adjacency..............................................................	641
Preventing a Source from Registering with the RP....................................................................	641
Preventing a PIM Router from Processing a Join......................................................................	644
38 NPIV Proxy Gateway......................................................................................	645
Benefits of an NPIV Proxy Gateway.................................................................................................	645
NPIV Proxy Gateway Operation.......................................................................................................	645
NPIV Proxy Gateway: Protocol Services....................................................................................	647
NPIV Proxy Gateway Functionality.............................................................................................	647
NPIV Proxy Gateway: Terms and Definitions.............................................................................	647
DCB Maps....................................................................................................................................	649
FCoE Maps..................................................................................................................................	649
Configure an NPIV Proxy Gateway..................................................................................................	650
Enabling Fibre Channel Capability on the Switch.....................................................................	650
Creating a DCB Map...................................................................................................................	650
Applying a DCB Map on Server-Facing Ethernet Ports.............................................................	651
Creating an FCoE VLAN..............................................................................................................	652
FCoE Maps...................................................................................................................................	652
Applying an FCoE Map on Server-Facing Ethernet Ports..........................................................	653
Applying an FCoE Map on Fabric-Facing FC Ports...................................................................	654
Sample Configuration.................................................................................................................	654
Display NPIV Proxy Gateway Information.......................................................................................	656
39 Object Tracking..............................................................................................	662
Object Tracking Overview................................................................................................................	662
Track Layer 2 Interfaces..............................................................................................................	663
Track Layer 3 Interfaces..............................................................................................................	663
Track IPv4 and IPv6 Routes........................................................................................................	664
Set Tracking Delays.....................................................................................................................	665
VRRP Object Tracking.................................................................................................................	665
Object Tracking Configuration........................................................................................................	665
Tracking a Layer 2 Interface.......................................................................................................	665
Tracking a Layer 3 Interface.......................................................................................................	667
Track an IPv4/IPv6 Route...........................................................................................................	668
Displaying Tracked Objects..............................................................................................................	672
40 Open Shortest Path First (OSPFv2).............................................................	674

Protocol Overview............................................................................................................................

674

Autonomous System (AS) Areas.................................................................................................	674
Designated and Backup Designated Routers............................................................................	678
Link-State Advertisements (LSAs)...............................................................................................	678
Virtual Links.................................................................................................................................	679
Router Priority and Cost.............................................................................................................	680
Implementing OSPF with Dell Networking OS...............................................................................	680
Fast Convergence (OSPFv2, IPv4 Only)......................................................................................	681
Multi-Process OSPFv2 (IPv4 only)..............................................................................................	681
RFC-2328 Compliant OSPF Flooding........................................................................................	681
OSPF ACK Packing......................................................................................................................	682
OSPF Adjacency with Cisco Routers..........................................................................................	682
Configuration Information...............................................................................................................	683
Configuration Task List for OSPFv2 (OSPF for IPv4)..................................................................	683
Sample Configurations for OSPFv2...........................................................................................	698
41 Policy-based Routing (PBR)..........................................................................	701
Overview............................................................................................................................................	701
Implementing Policy-based Routing with Dell Networking OS.....................................................	703
Configuration Task List for Policy-based Routing...........................................................................	703
PBR Exceptions (Permit).............................................................................................................	706
Sample Configuration.......................................................................................................................	709
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View
Redirect-List GOLD.....................................................................................................................	710
42 PIM Sparse-Mode (PIM-SM).........................................................................	714
Implementation Information............................................................................................................	714
Protocol Overview.............................................................................................................................	714
Requesting Multicast Traffic........................................................................................................	714
Refuse Multicast Traffic...............................................................................................................	715
Send Multicast Traffic..................................................................................................................	715
Configuring PIM-SM..........................................................................................................................	716
Configuring S,G Expiry Timers..........................................................................................................	717
Configuring a Static Rendezvous Point............................................................................................	718
Overriding Bootstrap Router Updates........................................................................................	718
Configuring a Designated Router.....................................................................................................	719
Creating Multicast Boundaries and Domains...................................................................................	719
43 PIM Source-Specific Mode (PIM-SSM).......................................................	721
Implementation Information.............................................................................................................	721
Important Points to Remember..................................................................................................	721
Configure PIM-SMM.........................................................................................................................	722
Related Configuration Tasks.......................................................................................................	722

Enabling PIM-SSM.............................................................................................................................	722
Use PIM-SSM with IGMP Version 2 Hosts........................................................................................	722
Configuring PIM-SSM with IGMPv2............................................................................................	723
44 Port Monitoring..............................................................................................	725
Important Points to Remember........................................................................................................	725
Port Monitoring.................................................................................................................................	726
Configuring Port Monitoring............................................................................................................	727
Enabling Flow-Based Monitoring.....................................................................................................	729
Remote Port Mirroring......................................................................................................................	730
Remote Port Mirroring Example.................................................................................................	730
Configuring Remote Port Mirroring............................................................................................	731
Displaying Remote-Port Mirroring Configurations....................................................................	733
Configuring the Sample Remote Port Mirroring........................................................................	733
Configuring the Encapsulated Remote Port Mirroring....................................................................	737
Changes to Default BehaviorConfiguration steps for ERPM ....................................................	737
ERPM Behavior on a typical Dell Networking OS ...........................................................................	739
Decapsulation of ERPM packets at the Destination IP/ Analyzer..............................................	739
45 Private VLANs (PVLAN)..................................................................................	741
Private VLAN Concepts.....................................................................................................................	741
Using the Private VLAN Commands.................................................................................................	742
Configuration Task List.....................................................................................................................	743
Creating PVLAN Ports.................................................................................................................	743
Creating a Primary VLAN............................................................................................................	744
Creating a Community VLAN.....................................................................................................	745
Creating an Isolated VLAN..........................................................................................................	746
Private VLAN Configuration Example...............................................................................................	747
Inspecting the Private VLAN Configuration...............................................................................	748
46 Per-VLAN Spanning Tree Plus (PVST+).......................................................	751
Protocol Overview.............................................................................................................................	751
Implementation Information............................................................................................................	752
Configure Per-VLAN Spanning Tree Plus.........................................................................................	752
Related Configuration Tasks.......................................................................................................	752
Enabling PVST+.................................................................................................................................	752
Disabling PVST+................................................................................................................................	753
Influencing PVST+ Root Selection.............................................................................................	753
Modifying Global PVST+ Parameters...............................................................................................	755
Modifying Interface PVST+ Parameters...........................................................................................	756
Configuring an EdgePort..................................................................................................................	757
PVST+ in Multi-Vendor Networks....................................................................................................	758

Enabling PVST+ Extend System ID...................................................................................................	758
PVST+ Sample Configurations.........................................................................................................	759
47 Quality of Service (QoS)................................................................................	761
Implementation Information............................................................................................................	763
Port-Based QoS Configurations.......................................................................................................	763
Setting dot1p Priorities for Incoming Traffic..............................................................................	764
Honoring dot1p Priorities on Ingress Traffic..............................................................................	764
Configuring Port-Based Rate Policing.......................................................................................	765
Configuring Port-Based Rate Shaping.......................................................................................	765
Policy-Based QoS Configurations...................................................................................................	766
Classify Traffic.............................................................................................................................	766
Create a QoS Policy....................................................................................................................	770
Create Policy Maps......................................................................................................................	772
DSCP Color Maps..............................................................................................................................	776
Creating a DSCP Color Map.......................................................................................................	776
Displaying DSCP Color Maps......................................................................................................	777
Displaying a DSCP Color Policy Configuration .........................................................................	777
Enabling QoS Rate Adjustment........................................................................................................	778
Enabling Strict-Priority Queueing....................................................................................................	778
Weighted Random Early Detection..................................................................................................	779
Creating WRED Profiles..............................................................................................................	780
Applying a WRED Profile to Traffic.............................................................................................	780
Displaying Default and Configured WRED Profiles...................................................................	780
Displaying WRED Drop Statistics................................................................................................	780
Pre-Calculating Available QoS CAM Space.....................................................................................	780
Configuring Weights and ECN for WRED .......................................................................................	782
Global Service Pools With WRED and ECN Settings..................................................................	782
Configuring WRED and ECN Attributes...........................................................................................	784
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................	785
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........	785
Classifying Incoming Packets Using ECN and Color-Marking..................................................	786
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............	788
Applying Layer 2 Match Criteria on a Layer 3 Interface..................................................................	789
Applying DSCP and VLAN Match Criteria on a Service Queue.......................................................	790
Classifying Incoming Packets Using ECN and Color-Marking........................................................	791
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................	793
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class................	794
Sample configuration to mark non-ecn packets as “yellow” with single traffic class...................	794
48 Routing Information Protocol (RIP)...........................................................	796

Protocol Overview............................................................................................................................

796

RIPv1............................................................................................................................................	796
RIPv2............................................................................................................................................	796
Implementation Information............................................................................................................	797
Configuration Information................................................................................................................	797
Configuration Task List...............................................................................................................	797
RIP Configuration Example..............................................................................................................	803
RIP Configuration on Core2.......................................................................................................	803
Core 2 RIP Output......................................................................................................................	804
RIP Configuration on Core3.......................................................................................................	805
Core 3 RIP Output......................................................................................................................	805
RIP Configuration Summary.......................................................................................................	807
49 Remote Monitoring (RMON).......................................................................	809
Implementation Information...........................................................................................................	809
Fault Recovery..................................................................................................................................	809
Setting the rmon Alarm...............................................................................................................	810
Configuring an RMON Event.......................................................................................................	811
Configuring RMON Collection Statistics....................................................................................	811
Configuring the RMON Collection History................................................................................	812
50 Rapid Spanning Tree Protocol (RSTP)........................................................	813
Protocol Overview............................................................................................................................	813
Configuring Rapid Spanning Tree....................................................................................................	813
Related Configuration Tasks.......................................................................................................	813
Important Points to Remember..................................................................................................	813
RSTP and VLT..............................................................................................................................	814
Configuring Interfaces for Layer 2 Mode.........................................................................................	814
Enabling Rapid Spanning Tree Protocol Globally............................................................................	816
Adding and Removing Interfaces...............................................................................................	818
Modifying Global Parameters.....................................................................................................	819
Modifying Interface Parameters.................................................................................................	820
Configuring an EdgePort............................................................................................................	820
Influencing RSTP Root Selection................................................................................................	821
Enabling SNMP Traps for Root Elections and Topology Changes...........................................	822
51 Software-Defined Networking (SDN).........................................................	823
52 Security............................................................................................................	824
AAA Accounting................................................................................................................................	824
Configuration Task List for AAA Accounting.............................................................................	824
AAA Authentication...........................................................................................................................	826
Configuration Task List for AAA Authentication........................................................................	827

Obscuring Passwords and Keys.......................................................................................................	829
AAA Authorization.............................................................................................................................	830
Privilege Levels Overview...........................................................................................................	830
Configuration Task List for Privilege Levels...............................................................................	830
RADIUS..............................................................................................................................................	834
RADIUS Authentication and Authorization................................................................................	835
Configuration Task List for RADIUS...........................................................................................	836
TACACS+..........................................................................................................................................	839
Configuration Task List for TACACS+........................................................................................	839
Command Authorization............................................................................................................	841
Protection from TCP Tiny and Overlapping Fragment Attacks......................................................	842
Enabling SCP and SSH......................................................................................................................	842
Using SCP with SSH to Copy a Software Image........................................................................	843
Secure Shell Authentication.......................................................................................................	844
Enabling SSH Authentication by Password................................................................................	844
Using RSA Authentication of SSH...............................................................................................	845
Configuring Host-Based SSH Authentication............................................................................	845
Using Client-Based SSH Authentication....................................................................................	846
Troubleshooting SSH..................................................................................................................	847
Telnet.................................................................................................................................................	847
VTY Line and Access-Class Configuration......................................................................................	847
VTY Line Local Authentication and Authorization.....................................................................	848
VTY Line Remote Authentication and Authorization................................................................	848
VTY MAC-SA Filter Support........................................................................................................	849
53 Service Provider Bridging.............................................................................	850
VLAN Stacking...................................................................................................................................	850
Important Points to Remember..................................................................................................	851
Configure VLAN Stacking.................................................................................................................	852
Related Configuration Tasks.......................................................................................................	852
Creating Access and Trunk Ports...............................................................................................	852
Enable VLAN-Stacking for a VLAN.............................................................................................	853
Configuring the Protocol Type Value for the Outer VLAN Tag................................................	853
Dell Networking OS Options for Trunk Ports............................................................................	853
Debugging VLAN Stacking..........................................................................................................	854
VLAN Stacking in Multi-Vendor Networks.................................................................................	855
VLAN Stacking Packet Drop Precedence........................................................................................	859
Enabling Drop Eligibility..............................................................................................................	859
Honoring the Incoming DEI Value.............................................................................................	860
Marking Egress Packets with a DEI Value..................................................................................	860
Dynamic Mode CoS for VLAN Stacking...........................................................................................	861
Mapping C-Tag to S-Tag dot1p Values.....................................................................................	862

Layer 2 Protocol Tunneling..............................................................................................................	863
Implementation Information......................................................................................................	865
Enabling Layer 2 Protocol Tunneling.........................................................................................	865
Specifying a Destination MAC Address for BPDUs....................................................................	866
Setting Rate-Limit BPDUs...........................................................................................................	866
Debugging Layer 2 Protocol Tunneling.....................................................................................	867
Provider Backbone Bridging.............................................................................................................	867
54 sFlow................................................................................................................	868
Overview...........................................................................................................................................	868
Implementation Information............................................................................................................	869
Important Points to Remember.................................................................................................	869
Enabling and Disabling sFlow...........................................................................................................	870
Enabling and Disabling sFlow on an Interface................................................................................	870
Enabling sFlow Max-Header Size Extended....................................................................................	870
sFlow Show Commands...................................................................................................................	871
Displaying Show sFlow Global....................................................................................................	872
Displaying Show sFlow on an Interface.....................................................................................	872
Displaying Show sFlow on a Stack-unit.....................................................................................	873
Configuring Specify Collectors........................................................................................................	873
Changing the Polling Intervals.........................................................................................................	873
Back-Off Mechanism........................................................................................................................	873
sFlow on LAG ports...........................................................................................................................	874
55 Simple Network Management Protocol (SNMP)......................................	875
Protocol Overview............................................................................................................................	875
Implementation Information............................................................................................................	875
Configuration Task List for SNMP....................................................................................................	875
Related Configuration Tasks.......................................................................................................	876
Important Points to Remember.................................................................................................	876
Set up SNMP......................................................................................................................................	876
Creating a Community...............................................................................................................	876
Setting Up User-Based Security (SNMPv3).................................................................................	877
Reading Managed Object Values.....................................................................................................	878
Writing Managed Object Values.......................................................................................................	879
Configuring Contact and Location Information using SNMP.........................................................	879
Subscribing to Managed Object Value Updates using SNMP.........................................................	880
Enabling a Subset of SNMP Traps....................................................................................................	881
Copy Configuration Files Using SNMP............................................................................................	883
Copying a Configuration File.....................................................................................................	885
Copying Configuration Files via SNMP......................................................................................	886
Copying the Startup-Config Files to the Running-Config........................................................	886

Copying the Startup-Config Files to the Server via FTP............................................................	887
Copying the Startup-Config Files to the Server via TFTP..........................................................	887
Copy a Binary File to the Startup-Configuration.......................................................................	888
Additional MIB Objects to View Copy Statistics........................................................................	888
Obtaining a Value for MIB Objects..................................................................................................	889
MIB Support to Display the Available Memory Size on Flash.........................................................	890
Viewing the Available Flash Memory Size..................................................................................	890
MIB Support to Display the Software Core Files Generated by the System..................................	890
Viewing the Software Core Files Generated by the System......................................................	891
Manage VLANs using SNMP.............................................................................................................	891
Creating a VLAN..........................................................................................................................	891
Assigning a VLAN Alias................................................................................................................	892
Displaying the Ports in a VLAN...................................................................................................	892
Add Tagged and Untagged Ports to a VLAN..............................................................................	893
Managing Overload on Startup........................................................................................................	894
Enabling and Disabling a Port using SNMP......................................................................................	895
Fetch Dynamic MAC Entries using SNMP........................................................................................	896
Deriving Interface Indices.................................................................................................................	897
Monitor Port-Channels....................................................................................................................	898
Troubleshooting SNMP Operation..................................................................................................	899
56 Stacking...........................................................................................................	900
Stacking S5000 Switches.................................................................................................................	900
Stack Management Roles...........................................................................................................	901
Stack Master Election.................................................................................................................	902
Virtual IP......................................................................................................................................	903
Failover Roles..............................................................................................................................	903
MAC Addressing..........................................................................................................................	903
Stacking LAG...............................................................................................................................	903
High Availability on S5000 Stacks..............................................................................................	903
Management Access on S-Series Stacks...................................................................................	904
S-Series Stacking Installation Tasks...........................................................................................	905
Stack Unit and Stack Group Numbering....................................................................................	910
Supported Stacking Topologies..................................................................................................	911
Configuring an S5000 Switch Stack.................................................................................................	912
Stack and Cable Requirements...................................................................................................	912
Cables for Stacked Switches.......................................................................................................	913
Accessing the Stack CLI..............................................................................................................	914
Assigning a Priority to Stacked Switches....................................................................................	914
Renumbering a Stack Unit..........................................................................................................	914
Configuring Stacking Ports and Bringing Up a Stack.......................................................................	915
Provisioning a Stack Unit..................................................................................................................	920