Dell N3000, N1500, N2100-ON, N3100-ON, N2000 User Manual

...
4 (1)
Dell N3000, N1500, N2100-ON, N3100-ON, N2000 User Manual

Dell EMC Networking N-Series

N1100-ON, N1500, N2000,

N2100-ON, N3000, N3100-ON,

and N4000 Switches

User’s Configuration

Guide

Version 6.3.0.x - N2000/N3000/N4000 Series Switches

Version 6.3.5.x - N3100-ON Series Switches

Version 6.3.6.x - N2100-ON/N3100-ON Series Switches

Version 6.4.x.x - N1100-ON Series Switches

Regulatory Models: E04W, E05W, E06W,

E07W, E15W, E16W, E17W, E18W,

PowerConnect 8132, PowerConnect 8132F,

PowerConnect 8164, PowerConnect 8164F

Notes and Cautions

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

CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.

____________

Information in this publication is subject to change without notice.

Copyright © 2017 Dell EMC Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell EMC™ and the Dell EMC logo are trademarks of Dell EMC Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

Marketing Models: N1108T-ON, N1108P-ON, N1124T-ON, N1124P-ON, N1148T-ON, N1148P-ON, N1524, N1524P, N1548, N1548P, N2024, N2024P, N2048, N2048P, N2128PX-ON, N3024, N3024F, N3024P, N3048, N3048P, N3132PX-ON, N4032, N4032F, N4064, N4064F

Regulatory Models: E04W, E05W, E06W, E07W, E15W, E16W, E17W, E18W, PowerConnect 8132, PowerConnect 8132F, PowerConnect 8164, PowerConnect 8164F

June 2017

Rev. A04

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . .

55

About This Document . . . . . . . . . . . . . . . . . .

55

Audience . . . . . . . . . . . . . . . . . . . . . . . . .

56

Document Conventions . . . . . . . . . . . . . . . . .

56

Additional Documentation. . . . . . . . . . . . . . . .

57

2 Switch Feature Overview . . . . . . . . . . . .

59

System Management Features . . . . . . . . . . . . .

60

Multiple Management Options . . . . . . . . . . .

60

System Time Management . . . . . . . . . . . . .

60

Log Messages . . . . . . . . . . . . . . . . . . .

61

Integrated DHCP Server . . . . . . . . . . . . . .

61

Management of Basic Network Information . . . .

61

IPv6 Management Features . . . . . . . . . . . .

62

Dual Software Images . . . . . . . . . . . . . . .

62

File Management . . . . . . . . . . . . . . . . . .

62

Switch Database Management Templates . . . .

63

Automatic Installation of Firmware and

 

Configuration . . . . . . . . . . . . . . . . . . . .

63

sFlow . . . . . . . . . . . . . . . . . . . . . . . .

64

SNMP Alarms and Trap Logs. . . . . . . . . . . .

64

CDP Interoperability Through ISDP . . . . . . . .

65

Remote Monitoring (RMON) . . . . . . . . . . . .

65

N3000 Series Access and Aggregation

 

Firmware Images . . . . . . . . . . . . . . . . . .

65

Contents 3

Stacking Features . . . . . . . . . . . . . . . . . . . .

67

High Stack Count . . . . . . . . . . . . . . . . . .

67

Single IP Management . . . . . . . . . . . . . . .

67

Master Failover with Transparent Transition. . . .

68

Nonstop Forwarding on the Stack . . . . . . . . .

68

Hot Add/Delete and Firmware

 

Synchronization . . . . . . . . . . . . . . . . . . .

68

Security Features . . . . . . . . . . . . . . . . . . . .

69

Configurable Access and Authentication

69

Profiles . . . . . . . . . . . . . . . . . . . . . . .

Password-Protected Management Access . . . .

69

Strong Password Enforcement . . . . . . . . . . .

69

TACACS+ Client . . . . . . . . . . . . . . . . . . .

69

RADIUS Support . . . . . . . . . . . . . . . . . .

70

SSH/SSL. . . . . . . . . . . . . . . . . . . . . . .

70

Inbound Telnet Control . . . . . . . . . . . . . . .

70

Denial of Service . . . . . . . . . . . . . . . . . .

70

Port Protection . . . . . . . . . . . . . . . . . . .

71

Captive Portal . . . . . . . . . . . . . . . . . . . .

72

802.1X Authentication (IEEE 802.1X) . . . . . . . .

72

MAC-Based 802.1X Authentication . . . . . . . . .

73

802.1X Monitor Mode . . . . . . . . . . . . . . . .

73

MAC-Based Port Security . . . . . . . . . . . . .

73

Access Control Lists (ACLs) . . . . . . . . . . . .

74

Time-Based ACLs . . . . . . . . . . . . . . . . . .

74

IP Source Guard (IPSG) . . . . . . . . . . . . . . .

74

DHCP Snooping . . . . . . . . . . . . . . . . . . .

75

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

75

Protected Ports (Private VLAN Edge). . . . . . . .

75

Green Technology Features . . . . . . . . . . . . . . .

76

Energy Detect Mode . . . . . . . . . . . . . . . .

76

Energy Efficient Ethernet . . . . . . . . . . . . . .

76

4 Contents

Power Utilization Reporting . . . . . . . . . . . .

76

Power over Ethernet (PoE) Plus Features . . . . . . . .

77

Key PoE Plus Features for the Dell EMC

 

Networking N1108P-ON, N1124P-ON, N1148P-ON,

 

N2024P, N2048P, N2128PX-ON, N3024P, N3048P,

77

and N3132PX-ON Switches. . . . . . . . . . . . .

Power Over Ethernet (PoE) Plus Configuration . .

78

PoE Plus Support . . . . . . . . . . . . . . . . . .

78

PoE 60W Support . . . . . . . . . . . . . . . . . .

79

Powered Device Detection . . . . . . . . . . . . .

79

PoE Power Management Modes . . . . . . . . . .

79

Power Management in Guard Band . . . . . . . .

81

PoE Plus Default Settings. . . . . . . . . . . . . .

82

Switching Features . . . . . . . . . . . . . . . . . . .

83

Flow Control Support (IEEE 802.3x) . . . . . . . . .

83

Head of Line Blocking Prevention . . . . . . . . .

83

Alternate Store and Forward (ASF). . . . . . . . .

83

Jumbo Frames Support . . . . . . . . . . . . . . .

83

Auto-MDI/MDIX Support . . . . . . . . . . . . . .

84

VLAN-Aware MAC-based Switching. . . . . . . .

84

Back Pressure Support . . . . . . . . . . . . . . .

84

Auto-negotiation . . . . . . . . . . . . . . . . . .

85

Storm Control . . . . . . . . . . . . . . . . . . . .

85

Port Mirroring. . . . . . . . . . . . . . . . . . . .

85

Static and Dynamic MAC Address Tables . . . . .

86

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

86

Link Layer Discovery Protocol (LLDP) for Media

 

Endpoint Devices . . . . . . . . . . . . . . . . . .

86

Connectivity Fault Management (IEEE 802.1ag) . .

87

Priority-based Flow Control (PFC) . . . . . . . . .

87

Data Center Bridging Exchange (DBCx)

 

Protocol . . . . . . . . . . . . . . . . . . . . . . .

88

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

88

Contents 5

Virtual Local Area Network Supported Features
Cisco Protocol Filtering . . . . . . . . . . .
DHCP Layer-2 Relay. . . . . . . . . . . . .

VLAN Support . . . . . . . . . . . . . . .

Port-Based VLANs . . . . . . . . . . . .

IP Subnet-based VLAN . . . . . . . . . .

MAC-based VLAN. . . . . . . . . . . . .

IEEE 802.1v Protocol-Based VLANs. . . .

Voice VLAN . . . . . . . . . . . . . . . .

GARP and GVRP Support . . . . . . . . .

Guest VLAN . . . . . . . . . . . . . . . .

Unauthorized VLAN . . . . . . . . . . . .

Double VLANs. . . . . . . . . . . . . . .

Spanning Tree Protocol Features . . . . . . .

Spanning Tree Protocol (STP) . . . . . .

Spanning Tree Port Settings . . . . . . .

Rapid Spanning Tree . . . . . . . . . . .

Multiple Spanning Tree . . . . . . . . . .

Bridge Protocol Data Unit (BPDU) Guard.

BPDU Filtering . . . . . . . . . . . . . .

RSTP-PV and STP-PV . . . . . . . . . . .

Link Aggregation Features. . . . . . . . . . .

Link Aggregation . . . . . . . . . . . . .

Link Aggregate Control Protocol (LACP) . Multi-Switch LAG (MLAG) . . . . . . . .

Routing Features . . . . . . . . . . . . . . . .

Address Resolution Protocol (ARP) Table

Management . . . . . . . . . . . . . . .

VLAN Routing . . . . . . . . . . . . . . .

IP Configuration . . . . . . . . . . . . . .

Open Shortest Path First (OSPF) . . . . .

. . . .

88

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89

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90

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90

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90

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90

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90

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91

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92

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92

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92

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92

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93

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93

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93

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94

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94

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95

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95

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96

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96

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96

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96

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97

6 Contents

Border Gateway Protocol (BGP) . . . . . . . . . .

97

Virtual Routing and Forwarding (VRF) . . . . . . .

97

BOOTP/DHCP Relay Agent . . . . . . . . . . . . .

98

IP Helper and DHCP Relay . . . . . . . . . . . . .

98

Routing Information Protocol. . . . . . . . . . . .

98

Router Discovery . . . . . . . . . . . . . . . . . .

98

Routing Table . . . . . . . . . . . . . . . . . . . .

98

Virtual Router Redundancy Protocol (VRRP) . . . .

99

Tunnel and Loopback Interfaces . . . . . . . . . .

99

IPv6 Routing Features . . . . . . . . . . . . . . . . . .

100

IPv6 Configuration . . . . . . . . . . . . . . . . .

100

IPv6 Routes . . . . . . . . . . . . . . . . . . . . .

100

OSPFv3 . . . . . . . . . . . . . . . . . . . . . . .

100

DHCPv6 . . . . . . . . . . . . . . . . . . . . . . .

100

Quality of Service (QoS) Features . . . . . . . . . . . .

101

Differentiated Services (DiffServ) . . . . . . . . .

101

Class Of Service (CoS) . . . . . . . . . . . . . . .

101

Auto Voice over IP (VoIP). . . . . . . . . . . . . .

101

Internet Small Computer System Interface

 

(iSCSI) Optimization. . . . . . . . . . . . . . . . .

102

Layer-2 Multicast Features . . . . . . . . . . . . . . .

102

MAC Multicast Support. . . . . . . . . . . . . . .

102

IGMP Snooping . . . . . . . . . . . . . . . . . . .

102

IGMP Snooping Querier . . . . . . . . . . . . . .

103

MLD Snooping . . . . . . . . . . . . . . . . . . .

103

Multicast VLAN Registration . . . . . . . . . . . .

103

Layer-3 Multicast Features . . . . . . . . . . . . . . .

104

Distance Vector Multicast Routing Protocol . . . . 104

Internet Group Management Protocol . . . . . . .

104

IGMP Proxy . . . . . . . . . . . . . . . . . . . . .

104

Contents 7

Protocol Independent Multicast—Dense

Mode . . . . . . . . . . . . . . . . . . . . . . .

104

Protocol Independent Multicast—Sparse

 

Mode . . . . . . . . . . . . . . . . . . . . . . .

105

Protocol Independent Multicast—Source

 

Specific Multicast. . . . . . . . . . . . . . . . .

105

Protocol Independent Multicast IPv6

 

Support . . . . . . . . . . . . . . . . . . . . . .

105

MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . .

105

3 Hardware Overview . . . . . . . . . . . . . . . .

107

Dell EMC Networking N1100-ON Series Switch

 

Hardware. . . . . . . . . . . . . . . . . . . . . . . .

107

Front Panel . . . . . . . . . . . . . . . . . . . .

107

Power Supply . . . . . . . . . . . . . . . . . . .

110

Ventilation System . . . . . . . . . . . . . . . .

110

Thermal Shutdown . . . . . . . . . . . . . . . .

110

LED Definitions . . . . . . . . . . . . . . . . . .

110

Power Consumption for PoE Switches . . . . . .

114

Wall Installation. . . . . . . . . . . . . . . . . .

115

Dell EMC Networking N1500 Series Switch

117

Hardware. . . . . . . . . . . . . . . . . . . . . . . .

Front Panel . . . . . . . . . . . . . . . . . . . .

117

Back Panel . . . . . . . . . . . . . . . . . . . .

121

LED Definitions . . . . . . . . . . . . . . . . . .

122

Power Consumption for PoE Switches . . . . . .

125

Dell EMC Networking N2000 Series Switch

127

Hardware. . . . . . . . . . . . . . . . . . . . . . . .

Front Panel . . . . . . . . . . . . . . . . . . . .

127

Back Panel . . . . . . . . . . . . . . . . . . . .

130

LED Definitions . . . . . . . . . . . . . . . . . .

132

Power Consumption for PoE Switches . . . . . .

135

8 Contents

Dell EMC Networking N2100-ON Series Switch

Hardware . . . . . . . . . . . . . . . . . . . . . . . .

137

Front Panel . . . . . . . . . . . . . . . . . . . . .

137

Back Panel . . . . . . . . . . . . . . . . . . . . .

139

LED Definitions . . . . . . . . . . . . . . . . . . .

139

Power Consumption for PoE Switches . . . . . . .

143

Dell EMC Networking N3000 Series Switch

146

Hardware . . . . . . . . . . . . . . . . . . . . . . . .

Front Panel . . . . . . . . . . . . . . . . . . . . .

146

Back Panel . . . . . . . . . . . . . . . . . . . . .

151

LED Definitions . . . . . . . . . . . . . . . . . . .

153

Power Consumption for PoE Switches . . . . . . .

158

Dell EMC Networking N3100-ON Series Switch

160

Hardware . . . . . . . . . . . . . . . . . . . . . . . .

Front Panel . . . . . . . . . . . . . . . . . . . . .

160

Back Panel . . . . . . . . . . . . . . . . . . . . .

162

LED Definitions . . . . . . . . . . . . . . . . . . .

163

Power Consumption for PoE Switches . . . . . . .

168

PoE Power Budget Limit . . . . . . . . . . . . . .

170

Dell EMC Networking N4000 Series Switch

 

Hardware . . . . . . . . . . . . . . . . . . . . . . . .

171

Front Panel . . . . . . . . . . . . . . . . . . . . .

171

Back Panel . . . . . . . . . . . . . . . . . . . . .

175

LED Definitions . . . . . . . . . . . . . . . . . . .

177

Switch MAC Addresses . . . . . . . . . . . . . . . . .

181

4Using Dell EMC OpenManage Switch

Administrator . . . . . . . . . . . . . . . . . . . . 183

About Dell EMC OpenManage Switch

Administrator . . . . . . . . . . . . . . . . . . . . . . 183

Contents 9

Starting the Application . . . . . . . . . . . . . . . .

184

Understanding the Interface . . . . . . . . . . . . . .

185

Using the Switch Administrator Buttons and

 

Links . . . . . . . . . . . . . . . . . . . . . . . . . .

187

Defining Fields . . . . . . . . . . . . . . . . . . . . .

188

Understanding the Device View . . . . . . . . . . . .

188

Using the Device View Port Features. . . . . . .

188

Using the Device View Switch Locator

 

Feature . . . . . . . . . . . . . . . . . . . . . .

189

5 Using the Command-Line Interface . . . .

191

Accessing the Switch Through the CLI . . . . . . . .

191

Console Connection. . . . . . . . . . . . . . . .

191

Telnet Connection. . . . . . . . . . . . . . . . .

192

Understanding Command Modes . . . . . . . . . . .

193

Entering CLI Commands . . . . . . . . . . . . . . . .

195

Using the Question Mark to Get Help. . . . . . .

195

Using Command Completion . . . . . . . . . . .

196

Entering Abbreviated Commands. . . . . . . . .

196

Negating Commands . . . . . . . . . . . . . . .

196

Command Output Paging . . . . . . . . . . . . .

196

Understanding Error Messages . . . . . . . . .

197

Recalling Commands from the History

 

Buffer . . . . . . . . . . . . . . . . . . . . . . .

197

10 Contents

6Default Settings . . . . . . . . . . . . . . . . . . . 199

7Setting the IP Address and Other

Basic Network Information . . . . . . . . . . 203

IP Address and Network Information Overview . . . . 203

What Is the Basic Network Information? . . . . . 203 Why Is Basic Network Information Needed? . . . 204 How Is Basic Network Information

Configured? . . . . . . . . . . . . . . . . . . . . .

205

What Is Out-of-Band Management and In-Band

 

Management? . . . . . . . . . . . . . . . . . . .

205

Default Network Information . . . . . . . . . . . . . .

208

Configuring Basic Network Information (Web) . . . . .

209

Out-of-Band Interface . . . . . . . . . . . . . . .

209

IP Interface Configuration (Default VLAN IP

 

Address) . . . . . . . . . . . . . . . . . . . . . .

210

Route Entry Configuration (Switch Default

 

Gateway) . . . . . . . . . . . . . . . . . . . . . .

212

Domain Name Server . . . . . . . . . . . . . . . .

214

Default Domain Name . . . . . . . . . . . . . . .

215

Host Name Mapping . . . . . . . . . . . . . . . .

216

Dynamic Host Name Mapping . . . . . . . . . . .

217

Configuring Basic Network Information (CLI). . . . . .

218

Enabling the DHCP Client on the OOB Port. . . . . 218

Enabling the DHCP Client on the Default

 

VLAN . . . . . . . . . . . . . . . . . . . . . . . .

218

Managing DHCP Leases . . . . . . . . . . . . . .

219

Configuring Static Network Information on

 

the OOB Port . . . . . . . . . . . . . . . . . . . .

220

Configuring Static Network Information on

221

the Default VLAN . . . . . . . . . . . . . . . . . .

Contents 11

Configuring and Viewing Additional Network

Information . . . . . . . . . . . . . . . . . . . .

222

Basic Network Information Configuration

224

Examples . . . . . . . . . . . . . . . . . . . . . . . .

Configuring Network Information Using the

224

OOB Port . . . . . . . . . . . . . . . . . . . . .

Configuring Network Information Using the

 

Serial Interface . . . . . . . . . . . . . . . . . .

226

8Managing QSFP Ports . . . . . . . . . . . . . . 229

9Stacking . . . . . . . . . . . . . . . . . . . . . . . . . 231

Stacking Overview. . . . . . . . . . . . . . . . . . .

231

Dell EMC Networking N1124-ON/N1148-ON,

 

N1500, N2000, N2100-ON, N3000, N3100-ON,

236

and N4000 Stacking Compatibility . . . . . . . .

How is the Stack Master Selected? . . . . . . .

236

Adding a Switch to the Stack . . . . . . . . . . .

237

Removing a Switch from the Stack . . . . . . . .

238

How is the Firmware Updated on the Stack?. . .

239

What is Stacking Standby? . . . . . . . . . . . .

239

What is Nonstop Forwarding? . . . . . . . . . .

240

Switch Stack MAC Addressing and Stack

 

Design Considerations . . . . . . . . . . . . . .

243

NSF Network Design Considerations. . . . . . .

243

Why is Stacking Needed? . . . . . . . . . . . .

244

Default Stacking Values . . . . . . . . . . . . . . . .

244

Managing and Monitoring the Stack (Web). . . . . .

246

Unit Configuration. . . . . . . . . . . . . . . . .

246

Stack Summary . . . . . . . . . . . . . . . . . .

247

Stack Firmware Synchronization . . . . . . . . .

248

12 Contents

Supported Switches . . . . . . . . . . . . . . . .

249

Stack Port Summary . . . . . . . . . . . . . . . .

250

Stack Port Counters . . . . . . . . . . . . . . . .

251

Stack Port Diagnostics . . . . . . . . . . . . . . .

251

NSF Summary. . . . . . . . . . . . . . . . . . . .

252

Checkpoint Statistics . . . . . . . . . . . . . . . .

253

Managing the Stack (CLI) . . . . . . . . . . . . . . . .

254

Configuring Stack Member, Stack Port, and

254

NSF Settings . . . . . . . . . . . . . . . . . . . .

Viewing and Clearing Stacking and NSF

 

Information . . . . . . . . . . . . . . . . . . . . .

256

Connecting to the Management Console

 

from a Stack Member . . . . . . . . . . . . . . .

257

Stacking and NSF Usage Scenarios. . . . . . . . . . .

257

Basic Failover. . . . . . . . . . . . . . . . . . . .

257

Preconfiguring a Stack Member . . . . . . . . . .

259

NSF in the Data Center . . . . . . . . . . . . . . .

261

NSF and VoIP . . . . . . . . . . . . . . . . . . . .

262

NSF and DHCP Snooping . . . . . . . . . . . . . .

263

NSF and the Storage Access Network . . . . . . .

264

NSF and Routed Access . . . . . . . . . . . . . .

266

10Authentication, Authorization, and

Accounting . . . . . . . . . . . . . . . . . . . . . . 269

AAA Introduction . . . . . . . . . . . . . . . . . . . .

269

Methods . . . . . . . . . . . . . . . . . . . . . .

270

Method Lists . . . . . . . . . . . . . . . . . . . .

271

Access Lines . . . . . . . . . . . . . . . . . . . .

272

Enabling SSH Access. . . . . . . . . . . . . . . .

273

Access Lines (AAA) . . . . . . . . . . . . . . . .

274

Access Lines (Non-AAA) . . . . . . . . . . . . . .

274

Contents 13

Authentication . . . . . . . . . . . . . . . . . . . . .

275

Authentication Types . . . . . . . . . . . . . . .

275

Authentication Manager . . . . . . . . . . . . .

276

Using RADIUS. . . . . . . . . . . . . . . . . . .

281

Using TACACS+ Servers to Control

286

Management Access . . . . . . . . . . . . . . .

Authentication Examples . . . . . . . . . . . . .

288

Public Key SSH Authentication Example . . . . .

296

Associating a User With an SSH Key. . . . . . .

304

Authorization . . . . . . . . . . . . . . . . . . . . . .

306

Exec Authorization Capabilities. . . . . . . . . .

306

Authorization Examples . . . . . . . . . . . . . .

308

RADIUS Change of Authorization . . . . . . . . .

310

TACACS Authorization . . . . . . . . . . . . . .

314

Accounting . . . . . . . . . . . . . . . . . . . . . . .

318

RADIUS Accounting . . . . . . . . . . . . . . .

318

IEEE 802.1X . . . . . . . . . . . . . . . . . . . . . . .

320

What is IEEE 802.1X? . . . . . . . . . . . . . . .

320

What are the 802.1X Port Authentication

 

Modes? . . . . . . . . . . . . . . . . . . . . . .

321

What is MAC-Based 802.1X Authentication?. . .

322

What is the Role of 802.1X in VLAN

 

Assignment? . . . . . . . . . . . . . . . . . . .

323

What is Monitor Mode?. . . . . . . . . . . . . .

326

How Does the Authentication Server Assign

 

DiffServ Policy? . . . . . . . . . . . . . . . . . .

327

What is the Internal Authentication Server? . . .

328

Default 802.1X Values . . . . . . . . . . . . . . .

328

Configuring IEEE 802.1X (Web) . . . . . . . . . .

329

Captive Portal . . . . . . . . . . . . . . . . . . . . .

354

Captive Portal Overview . . . . . . . . . . . . .

354

14 Contents

Default Captive Portal Behavior and

Settings . . . . . . . . . . . . . . . . . . . . . . .

362

Configuring Captive Portal (Web) . . . . . . . . .

364

Configuring Captive Portal (CLI) . . . . . . . . . .

382

Captive Portal Configuration Example . . . . . . .

388

In Case Of Problems in Captive Portal

392

Deployment . . . . . . . . . . . . . . . . . . . . .

11Monitoring and Logging System

Information . . . . . . . . . . . . . . . . . . . . . . 393

System Monitoring Overview . . . . . . . . . . . . . .

393

What System Information Is Monitored?. . . . . .

393

Why Is System Information Needed? . . . . . . .

394

Where Are Log Messages Sent? . . . . . . . . . .

394

What Are the Severity Levels? . . . . . . . . . . .

395

What Are the System Startup and Operation

395

Logs? . . . . . . . . . . . . . . . . . . . . . . . .

What Is the Log Message Format? . . . . . . . . .

396

What Factors Should Be Considered When

 

Configuring Logging? . . . . . . . . . . . . . . . .

397

Default Log Settings . . . . . . . . . . . . . . . . . . .

398

Monitoring System Information and Configuring

399

Logging (Web) . . . . . . . . . . . . . . . . . . . . . .

Device Information . . . . . . . . . . . . . . . . .

399

System Health . . . . . . . . . . . . . . . . . . .

401

System Resources . . . . . . . . . . . . . . . . .

402

Unit Power Usage History . . . . . . . . . . . . .

403

Integrated Cable Test for Copper Cables. . . . . .

404

Optical Transceiver Diagnostics . . . . . . . . . .

405

Log Global Settings . . . . . . . . . . . . . . . . .

407

RAM Log . . . . . . . . . . . . . . . . . . . . . .

408

Log File . . . . . . . . . . . . . . . . . . . . . . .

409

Contents 15

Syslog Server . . . . . . . . . . . . . . . . . . .

409

Email Alert Global Configuration . . . . . . . . .

412

Email Alert Mail Server Configuration . . . . . .

412

Email Alert Subject Configuration . . . . . . . .

414

Email Alert To Address Configuration . . . . . .

415

Email Alert Statistics . . . . . . . . . . . . . . .

416

Monitoring System Information and Configuring

 

Logging (CLI) . . . . . . . . . . . . . . . . . . . . . .

417

Viewing System Information and Enabling

417

the Locator LED . . . . . . . . . . . . . . . . . .

Running Cable Diagnostics . . . . . . . . . . . .

417

Configuring Local Logging . . . . . . . . . . . .

419

Configuring Remote Logging . . . . . . . . . . .

420

Configuring Mail Server Settings . . . . . . . . .

421

Configuring Email Alerts for Log Messages . . .

422

Logging Configuration Examples . . . . . . . . . . .

424

Configuring Local and Remote Logging . . . . .

424

Configuring Email Alerting . . . . . . . . . . . .

426

12 Managing General System Settings . . .

429

System Settings Overview . . . . . . . . . . . . . . .

429

Why Does System Information Need to Be

431

Configured? . . . . . . . . . . . . . . . . . . . .

What Are SDM Templates?. . . . . . . . . . . .

431

Why is the System Time Needed? . . . . . . . .

434

How Does SNTP Work?. . . . . . . . . . . . . .

434

What Configuration Is Required for Plug-In

 

Modules? . . . . . . . . . . . . . . . . . . . . .

435

Default General System Information . . . . . . . . .

435

Configuring General System Settings (Web) . . . . .

436

16 Contents

System Information . . . . . . . . . . . . . . . . .

436

CLI Banner . . . . . . . . . . . . . . . . . . . . .

439

SDM Template Preference . . . . . . . . . . . . .

440

Clock . . . . . . . . . . . . . . . . . . . . . . . .

441

SNTP Global Settings . . . . . . . . . . . . . . . .

442

SNTP Authentication . . . . . . . . . . . . . . . .

443

SNTP Server . . . . . . . . . . . . . . . . . . . .

445

Summer Time Configuration . . . . . . . . . . . .

448

Time Zone Configuration . . . . . . . . . . . . . .

449

Card Configuration . . . . . . . . . . . . . . . . .

450

Slot Summary . . . . . . . . . . . . . . . . . . . .

451

Supported Cards . . . . . . . . . . . . . . . . . .

452

Power Over Ethernet Global Configuration. . . . .

453

Power Over Ethernet Unit Configuration . . . . . .

454

Power Over Ethernet Interface Configuration . . . 455

Configuring System Settings (CLI). . . . . . . . . . . .

457

Configuring System Information . . . . . . . . . .

457

Configuring the Banner . . . . . . . . . . . . . . .

458

Managing the SDM Template . . . . . . . . . . .

459

Configuring SNTP Authentication and an

459

SNTP Server . . . . . . . . . . . . . . . . . . . .

Setting the System Time and Date Manually. . . . 461

Configuring the Expansion Slots (Dell EMC

462

Networking N3000/N3100-ON/N4000 Series Only) .

Viewing Slot Information (Dell EMC Networking

 

N4000 Series Only) . . . . . . . . . . . . . . . . .

463

Configuring PoE Settings (Dell EMC Networking

 

N1108P-ON/ N1124P-ON/ N1148P-ON,

 

N1524P/N1548P, N2024P/N2048P/N2128PX-ON,

 

N3024P/N3048P/N3132PX-ON Only) . . . . . . . .

463

General System Settings Configuration Examples . . . 465

Configuring System and Banner Information . . .

465

Configuring SNTP. . . . . . . . . . . . . . . . . .

468

Configuring the Time Manually . . . . . . . . . . .

470

Contents 17

13 SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . .

471

SNMP Overview . . . . . . . . . . . . . . . . . . . .

471

What Is SNMP? . . . . . . . . . . . . . . . . . .

471

What Are SNMP Traps? . . . . . . . . . . . . .

472

Why Is SNMP Needed?. . . . . . . . . . . . . .

473

Default SNMP Values . . . . . . . . . . . . . . . . .

473

Configuring SNMP (Web) . . . . . . . . . . . . . . .

475

SNMP Global Parameters . . . . . . . . . . . .

475

SNMP View Settings . . . . . . . . . . . . . . .

476

Access Control Group . . . . . . . . . . . . . .

478

SNMPv3 User Security Model (USM) . . . . . .

480

Communities . . . . . . . . . . . . . . . . . . .

483

Notification Filter . . . . . . . . . . . . . . . . .

485

Notification Recipients . . . . . . . . . . . . . .

486

Trap Flags . . . . . . . . . . . . . . . . . . . . .

488

OSPFv2 Trap Flags . . . . . . . . . . . . . . . .

489

OSPFv3 Trap Flags . . . . . . . . . . . . . . . .

490

Trap Log . . . . . . . . . . . . . . . . . . . . . .

491

Configuring SNMP (CLI) . . . . . . . . . . . . . . . .

493

Configuring the SNMPv3 Engine ID. . . . . . . .

493

Configuring SNMP Views, Groups, and

 

Users . . . . . . . . . . . . . . . . . . . . . . .

494

Configuring Communities . . . . . . . . . . . . .

497

Configuring SNMP Notifications (Traps and

 

Informs) . . . . . . . . . . . . . . . . . . . . . .

499

SNMP Configuration Examples . . . . . . . . . . . .

502

Configuring SNMPv1 and SNMPv2 . . . . . . . .

502

Configuring SNMPv3 . . . . . . . . . . . . . . .

503

18 Contents

14 Images and File Management . . . . . . . . 507

Image and File Management Overview . . . . . . . . .

507

What Files Can Be Managed? . . . . . . . . . . .

507

Why Is File Management Needed?. . . . . . . . .

509

What Methods Are Supported for File

 

Management? . . . . . . . . . . . . . . . . . . .

512

What Factors Should Be Considered When

 

Managing Files? . . . . . . . . . . . . . . . . . .

513

How Is the Running Configuration Saved? . . . . .

515

N3000 Dual Images. . . . . . . . . . . . . . . . . . . .

516

Access Router/Switch Role . . . . . . . . . . . .

516

Aggregation Router Role . . . . . . . . . . . . . .

517

Managing Images and Files (Web) . . . . . . . . . . .

518

File System . . . . . . . . . . . . . . . . . . . . .

518

Active Images . . . . . . . . . . . . . . . . . . .

519

USB Flash Drive. . . . . . . . . . . . . . . . . . .

520

File Download. . . . . . . . . . . . . . . . . . . .

521

File Upload . . . . . . . . . . . . . . . . . . . . .

523

Copy Files . . . . . . . . . . . . . . . . . . . . . .

525

Managing Images and Files (CLI) . . . . . . . . . . . .

526

Downloading and Activating a New Image

527

(TFTP) . . . . . . . . . . . . . . . . . . . . . . . .

Managing Files in Internal Flash . . . . . . . . . .

528

Managing Files on a USB Flash Device . . . . . .

529

Uploading a Configuration File (SCP). . . . . . . .

530

Managing Configuration Scripts (SFTP) . . . . . .

531

File and Image Management Configuration

532

Examples. . . . . . . . . . . . . . . . . . . . . . . . .

Upgrading the Firmware . . . . . . . . . . . . . .

532

Managing Configuration Scripts . . . . . . . . . .

535

Contents 19

Managing Files by Using the USB Flash

Drive. . . . . . . . . . . . . . . . . . . . . . . .

537

15 DHCP and USB Auto-Configuration . . . .

539

Auto Configuration Overview . . . . . . . . . . . . .

539

What Is USB Auto Configuration? . . . . . . . .

540

What Files Does USB Auto Configuration

 

Use? . . . . . . . . . . . . . . . . . . . . . . . .

540

How Does USB Auto Configuration Use the

 

Files on the USB Device? . . . . . . . . . . . . .

541

What Is the Setup File Format? . . . . . . . . . .

543

What Is the DHCP Auto Configuration

 

Process? . . . . . . . . . . . . . . . . . . . . .

543

Monitoring and Completing the DHCP Auto

 

Configuration Process . . . . . . . . . . . . . .

549

What Are the Dependencies for DHCP Auto

 

Configuration? . . . . . . . . . . . . . . . . . .

550

Default Auto Configuration Values . . . . . . . . . .

551

Managing Auto Configuration (Web) . . . . . . . . .

552

Auto-Install Configuration . . . . . . . . . . . .

552

Managing Auto Configuration (CLI) . . . . . . . . . .

553

Managing Auto Configuration . . . . . . . . . .

553

Auto Configuration Example . . . . . . . . . . . . . .

554

Enabling USB Auto Configuration and Auto

554

Image Download . . . . . . . . . . . . . . . . .

Enabling DHCP Auto Configuration and Auto

 

Image Download . . . . . . . . . . . . . . . . .

555

Easy Firmware Upgrade via USB . . . . . . . . .

557

20 Contents

16 Monitoring Switch Traffic . . . . . . . . . . . 559

Traffic Monitoring Overview . . . . . . . . . . . . . .

559

What is sFlow Technology? . . . . . . . . . . . .

559

What is RMON?. . . . . . . . . . . . . . . . . . .

562

What is Port Mirroring?. . . . . . . . . . . . . . .

563

Port Mirroring Behaviors . . . . . . . . . . . . . .

565

RSPAN . . . . . . . . . . . . . . . . . . . . . . .

567

Remote Capture. . . . . . . . . . . . . . . . . . .

568

Why is Traffic Monitoring Needed? . . . . . . . .

569

Default Traffic Monitoring Values. . . . . . . . . . . .

569

Monitoring Switch Traffic (Web) . . . . . . . . . . . .

570

sFlow Agent Summary . . . . . . . . . . . . . . .

570

sFlow Receiver Configuration . . . . . . . . . . .

571

sFlow Sampler Configuration. . . . . . . . . . . .

572

sFlow Poll Configuration . . . . . . . . . . . . . .

573

Interface Statistics . . . . . . . . . . . . . . . . .

574

Etherlike Statistics . . . . . . . . . . . . . . . . .

575

GVRP Statistics . . . . . . . . . . . . . . . . . . .

576

EAP Statistics . . . . . . . . . . . . . . . . . . . .

577

Utilization Summary . . . . . . . . . . . . . . . .

578

Counter Summary. . . . . . . . . . . . . . . . . .

579

Switchport Statistics . . . . . . . . . . . . . . . .

580

RMON Statistics . . . . . . . . . . . . . . . . . .

581

RMON History Control Statistics . . . . . . . . . .

582

RMON History Table . . . . . . . . . . . . . . . .

584

RMON Event Control . . . . . . . . . . . . . . . .

585

RMON Event Log . . . . . . . . . . . . . . . . . .

587

RMON Alarms . . . . . . . . . . . . . . . . . . .

588

Port Statistics . . . . . . . . . . . . . . . . . . . .

590

LAG Statistics . . . . . . . . . . . . . . . . . . . .

591

Port Mirroring. . . . . . . . . . . . . . . . . . . .

592

Monitoring Switch Traffic (CLI) . . . . . . . . . . . . .

594

Contents 21

Configuring sFlow . . . . . . . . . . . . . . . . .

594

Configuring RMON . . . . . . . . . . . . . . . .

596

Viewing Statistics . . . . . . . . . . . . . . . . .

598

Configuring Port Mirroring . . . . . . . . . . . .

599

Configuring RSPAN . . . . . . . . . . . . . . . .

600

Traffic Monitoring Examples . . . . . . . . . . . . .

604

Showing Interface Traffic. . . . . . . . . . . . .

604

Configuring sFlow . . . . . . . . . . . . . . . . .

605

Configuring RMON . . . . . . . . . . . . . . . .

607

Configuring Remote Capture . . . . . . . . . . .

608

Configuring RSPAN . . . . . . . . . . . . . . . .

613

 

 

17 iSCSI Optimization . . . . . . . . . . . . . . . . .

617

 

 

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

617

 

 

What Does iSCSI Optimization Do? . . . . . . . .

618

 

 

What Occurs When iSCSI Optimization Is

618

 

 

Enabled or Disabled? . . . . . . . . . . . . . . .

 

 

How Does the Switch Detect iSCSI Traffic

 

 

 

Flows?. . . . . . . . . . . . . . . . . . . . . . .

618

 

 

How Is Quality of Service Applied to iSCSI

 

 

 

Traffic Flows? . . . . . . . . . . . . . . . . . . .

619

 

 

How Does iSCSI Optimization Use ACLs? . . . .

620

 

 

What Information Does the Switch Track in

 

 

 

iSCSI Traffic Flows?. . . . . . . . . . . . . . . .

620

 

 

How Does iSCSI Optimization Interact With

 

 

 

Dell EqualLogic Arrays?. . . . . . . . . . . . . .

621

 

 

How Does iSCSI Optimization Interact with

621

 

 

Dell Compellent Arrays? . . . . . . . . . . . . .

 

 

How Does iSCSI Optimization Interact with

 

 

 

DCBx? . . . . . . . . . . . . . . . . . . . . . . .

622

 

 

iSCSI CoS and Priority Flow Control/Enhanced

 

 

 

Transmission Selection Interactions . . . . . . .

623

 

 

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

624

22

 

Contents

 

 

 

Configuring iSCSI Optimization (Web) . . . . . . . . .

625

iSCSI Global Configuration . . . . . . . . . . . . .

625

iSCSI Targets Table. . . . . . . . . . . . . . . . .

626

iSCSI Sessions Table . . . . . . . . . . . . . . . .

627

iSCSI Sessions Detailed . . . . . . . . . . . . . .

628

Configuring iSCSI Optimization (CLI) . . . . . . . . . .

629

iSCSI Optimization Configuration Examples . . . . . .

631

Configuring iSCSI Optimization Between

631

Servers and a Disk Array . . . . . . . . . . . . . .

18 Port Characteristics . . . . . . . . . . . . . . .

635

Port Overview . . . . . . . . . . . . . . . . . . . . . .

635

What Physical Port Characteristics Can Be

635

Configured? . . . . . . . . . . . . . . . . . . . . .

Auto-Negotiation . . . . . . . . . . . . . . . . . .

637

Maximum Transmission Unit . . . . . . . . . . . .

637

What is Link Dependency? . . . . . . . . . . . . .

638

What Interface Types are Supported? . . . . . . .

640

What is Interface Configuration Mode? . . . . . .

640

What Are the Green Ethernet Features? . . . . . .

642

Switchport Modes . . . . . . . . . . . . . . . . .

643

Default Port Values . . . . . . . . . . . . . . . . . . .

644

Configuring Port Characteristics (Web). . . . . . . . .

646

Port Configuration . . . . . . . . . . . . . . . . .

646

Link Dependency Configuration . . . . . . . . . .

649

Link Dependency Summary . . . . . . . . . . . .

651

Port Green Ethernet Configuration . . . . . . . . .

652

Port Green Ethernet Statistics . . . . . . . . . . .

653

Port Green Ethernet LPI History . . . . . . . . . .

655

Contents 23

 

Configuring Port Characteristics (CLI). . . . . . . . .

656

 

Configuring Port Settings . . . . . . . . . . . . .

656

 

Configuring Link Dependencies . . . . . . . . .

658

 

Configuring Green Features . . . . . . . . . . .

659

 

Port Configuration Examples . . . . . . . . . . . . .

660

 

Configuring Port Settings . . . . . . . . . . . . .

660

 

Configuring a Link Dependency Groups . . . . .

661

 

Configuring a Port in Access Mode . . . . . . .

661

 

Configuring a Port in Trunk Mode . . . . . . . .

662

 

Configuring a Port in General Mode . . . . . . .

665

19

Port and System Security . . . . . . . . . . .

667

 

Port-based Security—Port MAC Locking . . . . . . .

667

 

Denial of Service. . . . . . . . . . . . . . . . . . . .

674

20

Access Control Lists . . . . . . . . . . . . . . .

675

 

ACL Overview . . . . . . . . . . . . . . . . . . . . .

675

 

ACL Counters . . . . . . . . . . . . . . . . . . .

677

 

What Are MAC ACLs? . . . . . . . . . . . . . .

677

 

What Are IP ACLs? . . . . . . . . . . . . . . . .

678

 

ACL Actions . . . . . . . . . . . . . . . . . . . .

678

 

What Is the ACL Redirect Function? . . . . . . .

679

 

What Is the ACL Mirror Function? . . . . . . . .

680

 

What Is ACL Logging . . . . . . . . . . . . . . .

680

 

What Are Time-Based ACLs?. . . . . . . . . . .

680

 

ACL Limitations . . . . . . . . . . . . . . . . . .

681

 

ACL Configuration Details . . . . . . . . . . . . . . .

686

 

How Are ACLs Configured? . . . . . . . . . . . .

686

 

Editing Access Lists. . . . . . . . . . . . . . . .

686

24 Contents

Preventing False ACL Matches. . . . . . . . . . .

686

Using IP and MAC Address Masks. . . . . . . . .

688

Policy-Based Routing . . . . . . . . . . . . . . . . . .

689

Packet Classification . . . . . . . . . . . . . . . .

689

Route-Map Processing . . . . . . . . . . . . . . .

690

Route-Map Actions . . . . . . . . . . . . . . . . .

691

Interface ACLs and PBR Interaction . . . . . . . .

693

PBR and Implicit Deny-all . . . . . . . . . . . . .

694

Limitations . . . . . . . . . . . . . . . . . . . . .

694

Configuring ACLs (Web) . . . . . . . . . . . . . . . . .

697

IP ACL Configuration . . . . . . . . . . . . . . . .

697

IP ACL Rule Configuration . . . . . . . . . . . . .

699

MAC ACL Configuration . . . . . . . . . . . . . .

701

MAC ACL Rule Configuration . . . . . . . . . . . .

703

IPv6 ACL Configuration . . . . . . . . . . . . . . .

704

IPv6 ACL Rule Configuration . . . . . . . . . . . .

705

ACL Binding Configuration . . . . . . . . . . . . .

707

Time Range Configuration . . . . . . . . . . . . .

708

Configuring ACLs (CLI) . . . . . . . . . . . . . . . . . .

710

Configuring an IPv4 ACL . . . . . . . . . . . . . .

710

Configuring a MAC ACL. . . . . . . . . . . . . . .

716

Configuring an IPv6 ACL . . . . . . . . . . . . . .

720

Configuring a Time Range . . . . . . . . . . . . .

723

ACL Configuration Examples . . . . . . . . . . . . . .

725

Basic Rules . . . . . . . . . . . . . . . . . . . . .

725

Internal System ACLs . . . . . . . . . . . . . . . .

726

Complete ACL Example . . . . . . . . . . . . . . .

727

Advanced Examples . . . . . . . . . . . . . . . .

731

Policy-Based Routing Examples . . . . . . . . . .

743

Contents 25

 

 

21 VLANs . . . . . . . . . . . . . . . . . . . . . . . . . .

747

 

 

VLAN Overview . . . . . . . . . . . . . . . . . . . .

747

 

 

VLAN Tagging. . . . . . . . . . . . . . . . . . .

750

 

 

GVRP . . . . . . . . . . . . . . . . . . . . . . .

751

 

 

Double-VLAN Tagging . . . . . . . . . . . . . .

751

 

 

Voice VLAN . . . . . . . . . . . . . . . . . . . .

753

 

 

Private VLANs. . . . . . . . . . . . . . . . . . .

755

 

 

Additional VLAN Features . . . . . . . . . . . .

761

 

 

Default VLAN Behavior . . . . . . . . . . . . . . . .

762

 

 

Configuring VLANs (Web) . . . . . . . . . . . . . . .

764

 

 

VLAN Membership . . . . . . . . . . . . . . . .

764

 

 

VLAN Port Settings . . . . . . . . . . . . . . . .

769

 

 

VLAN LAG Settings . . . . . . . . . . . . . . . .

770

 

 

Bind MAC to VLAN . . . . . . . . . . . . . . . .

772

 

 

Bind IP Subnet to VLAN. . . . . . . . . . . . . .

773

 

 

GVRP Parameters . . . . . . . . . . . . . . . . .

774

 

 

Protocol Group . . . . . . . . . . . . . . . . . .

776

 

 

Adding a Protocol Group . . . . . . . . . . . . .

777

 

 

Double VLAN Global Configuration . . . . . . . .

779

 

 

Double VLAN Interface Configuration . . . . . .

780

 

 

Voice VLAN . . . . . . . . . . . . . . . . . . . .

782

 

 

Configuring VLANs (CLI) . . . . . . . . . . . . . . . .

783

 

 

Creating a VLAN . . . . . . . . . . . . . . . . .

783

 

 

Configuring VLAN Settings for a LAG. . . . . . .

784

 

 

Configuring Double VLAN Tagging . . . . . . . .

785

 

 

Configuring MAC-Based VLANs . . . . . . . . .

788

 

 

Configuring IP-Based VLANs . . . . . . . . . . .

790

 

 

Configuring a Protocol-Based VLAN . . . . . . .

792

 

 

Configuring GVRP . . . . . . . . . . . . . . . . .

795

 

 

Configuring Voice VLANs . . . . . . . . . . . . .

797

 

 

Configuring a Voice VLAN (Extended

799

 

 

Example) . . . . . . . . . . . . . . . . . . . . .

26

 

Contents

 

 

 

Enterprise Voice VLAN Configuration With

QoS . . . . . . . . . . . . . . . . . . . . . . . . .

800

MLAG with RPVST and Voice VLAN . . . . . . . .

803

Assigning an 802.1p Priority to VLAN Traffic . . . . 810

Configuring a Private VLAN . . . . . . . . . . . .

810

VLAN Configuration Examples . . . . . . . . . . . . .

813

Configuring VLANs Using the Dell EMC

813

OpenManage Switch Administrator . . . . . . . .

Configuring VLANs Using the CLI. . . . . . . . . .

821

22 Spanning Tree Protocol . . . . . . . . .

. . . 825

 

 

STP Overview . . . . . . . . . . . . . . . . . .

. . . .

825

 

 

What Are Classic STP, Multiple STP, and

 

825

 

 

Rapid STP? . . . . . . . . . . . . . . . . .

. . . .

 

 

How Does STP Work? . . . . . . . . . . .

. . . .

826

 

 

How Does MSTP Operate in the Network?

. . . .

827

 

 

MSTP with Multiple Forwarding Paths . . .

. . . .

831

 

 

MSTP and VLAN IDs . . . . . . . . . . . .

. . . .

832

 

 

What are the Optional STP Features? . . .

. . . .

832

 

 

RSTP-PV . . . . . . . . . . . . . . . . . . . . .

. . . .

834

 

 

DirectLink Rapid Convergence . . . . . . .

. . . .

835

 

 

IndirectLink Rapid Convergence Feature .

. . . .

837

 

 

Interoperability Between STP-PV and

 

839

 

 

RSTP-PV Modes . . . . . . . . . . . . . .

. . . .

 

 

Interoperability With IEEE Spanning Tree

 

 

 

 

Protocols . . . . . . . . . . . . . . . . . .

. . . .

839

 

 

Configuration Examples . . . . . . . . . .

. . . .

844

 

 

Default STP Values . . . . . . . . . . . . . . .

. . . .

845

 

 

Configuring Spanning Tree (Web). . . . . . . .

. . . .

846

 

 

STP Global Settings. . . . . . . . . . . . .

. . . .

846

 

 

STP Port Settings . . . . . . . . . . . . . .

. . . .

848

 

 

 

Contents

 

 

27

 

 

STP LAG Settings . . . . . . . . . . . . . . . . .

850

Rapid Spanning Tree . . . . . . . . . . . . . . .

851

MSTP Settings . . . . . . . . . . . . . . . . . .

853

MSTP Interface Settings . . . . . . . . . . . . .

855

PVST/RPVST Global Configuration . . . . . . . .

856

PVST/RPVST VLAN Configuration . . . . . . . .

857

PVST/RPVST Interface Configuration . . . . . .

859

PVST/RPVST Statistics . . . . . . . . . . . . . .

860

Configuring Spanning Tree (CLI). . . . . . . . . . . .

861

Configuring Global STP Bridge Settings . . . . .

861

Configuring Optional STP Features . . . . . . . .

862

Configuring STP Interface Settings. . . . . . . .

863

Configuring MSTP Switch Settings . . . . . . . .

864

Configuring MSTP Interface Settings . . . . . .

865

STP Configuration Examples. . . . . . . . . . . . . .

866

STP Configuration Example . . . . . . . . . . . .

866

MSTP Configuration Example. . . . . . . . . . .

868

RSTP-PV Access Switch Configuration

 

Example . . . . . . . . . . . . . . . . . . . . . .

871

23 Discovering Network Devices . . . . . . . .

875

Device Discovery Overview . . . . . . . . . . . . . .

875

What Is ISDP?. . . . . . . . . . . . . . . . . . .

875

What is LLDP?. . . . . . . . . . . . . . . . . . .

875

What is LLDP-MED? . . . . . . . . . . . . . . .

876

Why are Device Discovery Protocols

 

Needed?. . . . . . . . . . . . . . . . . . . . . .

876

Default IDSP and LLDP Values. . . . . . . . . . . . .

877

Configuring ISDP and LLDP (Web). . . . . . . . . . .

879

ISDP Global Configuration . . . . . . . . . . . .

879

28 Contents

ISDP Neighbor Table . . . . . . . . . . . . . . . .

880

ISDP Interface Configuration. . . . . . . . . . . .

881

ISDP Statistics . . . . . . . . . . . . . . . . . . .

882

LLDP Configuration . . . . . . . . . . . . . . . . .

883

LLDP Statistics . . . . . . . . . . . . . . . . . . .

885

LLDP Connections . . . . . . . . . . . . . . . . .

886

LLDP-MED Global Configuration . . . . . . . . . .

888

LLDP-MED Interface Configuration . . . . . . . .

889

LLDP-MED Local Device Information . . . . . . .

890

LLDP-MED Remote Device Information . . . . . .

890

Configuring ISDP and LLDP (CLI) . . . . . . . . . . . .

891

Configuring Global ISDP Settings . . . . . . . . .

891

Enabling ISDP on a Port . . . . . . . . . . . . . .

892

Viewing and Clearing ISDP Information . . . . . .

892

Configuring Global LLDP Settings . . . . . . . . .

893

Configuring Port-based LLDP Settings . . . . . . .

893

Viewing and Clearing LLDP Information . . . . . .

894

Configuring LLDP-MED Settings . . . . . . . . . .

895

Viewing LLDP-MED Information . . . . . . . . . .

896

Device Discovery Configuration Examples . . . . . . .

896

Configuring ISDP . . . . . . . . . . . . . . . . . .

896

Configuring LLDP . . . . . . . . . . . . . . . . . .

897

24 Port-Based Traffic Control . . . . . . . . . .

899

Port-Based Traffic Control Overview . . . . . . . . . .

899

What is Flow Control? . . . . . . . . . . . . . . .

900

What is Storm Control? . . . . . . . . . . . . . . .

900

What are Protected Ports? . . . . . . . . . . . . .

901

What is Error Recovery? . . . . . . . . . . . . . .

901

What is Link Local Protocol Filtering? . . . . . . .

902

What is Loop Protection?. . . . . . . . . . . . . .

903

Contents 29

Default Port-Based Traffic Control Values . . . . . .

904

Configuring Port-Based Traffic Control (Web) . . . .

905

Flow Control (Global Port Parameters) . . . . . .

905

Storm Control . . . . . . . . . . . . . . . . . . .

906

Protected Port Configuration . . . . . . . . . . .

908

LLPF Configuration . . . . . . . . . . . . . . . .

910

Configuring Port-Based Traffic Control (CLI) . . . . .

912

Configuring Flow Control and Storm Control . . .

912

Configuring Protected Ports . . . . . . . . . . .

913

Configuring LLPF . . . . . . . . . . . . . . . . .

914

Port-Based Traffic Control Configuration

 

Example . . . . . . . . . . . . . . . . . . . . . . . .

915

25 Layer-2 Multicast Features . . . . . . . . . .

917

L2 Multicast Overview . . . . . . . . . . . . . . . . .

917

Multicast Flooding and Forwarding. . . . . . . .

917

What Are the Multicast Bridging Features? . . .

918

What Is L2 Multicast Traffic? . . . . . . . . . . .

919

What Is IGMP Snooping? . . . . . . . . . . . . .

919

What Is MLD Snooping? . . . . . . . . . . . . .

921

What Is Multicast VLAN Registration? . . . . . .

923

When Are Layer-3 Multicast Features

 

Required? . . . . . . . . . . . . . . . . . . . . .

924

What Are GARP and GMRP? . . . . . . . . . . .

924

Snooping Switch Restrictions . . . . . . . . . . . . .

926

MAC Address-Based Multicast Group . . . . . .

926

Topologies Where the Multicast Source Is

 

Not Directly Connected to the Querier . . . . . .

926

Using Static Multicast MAC Configuration . . . .

926

IGMP Snooping and GMRP . . . . . . . . . . . .

926

30 Contents

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