Catalyst 2960-XR Series Switches

Cisco Catalyst 2960-XR Series Switches Configuration Guide

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Consolidated Platform Configuration Guide, Cisco IOS XE 15.2(5)E
(Catalyst 2960-XR Switch)
First Published: 2016-07-28
Last Modified: 2017-05-03
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
©2017 Cisco Systems, Inc. All rights reserved.
CONTENTS
Preface xci
PREFACE
Document Conventions xci
Related Documentation xciii
Obtaining Documentation and Submitting a Service Request xciii
Using the Command-Line Interface 1
CHAPTER 1
Information About Using the Command-Line Interface 1
Command Modes 1
Understanding Abbreviated Commands 3
No and Default Forms of Commands 3
CLI Error Messages 3
Configuration Logging 4
Using the Help System 4
How to Use the CLI to Configure Features 5
Configuring the Command History 5
Changing the Command History Buffer Size 5
Recalling Commands 6
Disabling the Command History Feature 6
Enabling and Disabling Editing Features 7
Editing Commands Through Keystrokes 7
Editing Command Lines That Wrap 8
Searching and Filtering Output of show and more Commands 9
Accessing the CLI on a Switch Stack 9
Accessing the CLI Through a Console Connection or Through Telnet 10
Accessing the CLI through Bluetooth 10
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Interface and Hardware Component 13
PART I
Configuring Interface Characteristics 15
CHAPTER 2
Finding Feature Information 15
Information About Configuring Interface Characteristics 15
Interface Types 15
Port-Based VLANs 16
Switch Ports 16
Routed Ports 17
Switch Virtual Interfaces 18
EtherChannel Port Groups 19
Power over Ethernet Ports 19
Using the Switch USB Ports 20
USB Mini-Type B Console Port 20
USB Type A Ports 21
Interface Connections 21
Interface Configuration Mode 21
Default Ethernet Interface Configuration 23
Interface Speed and Duplex Mode 24
Speed and Duplex Configuration Guidelines 24
IEEE 802.3x Flow Control 25
Layer 3 Interfaces 25
How to Configure Interface Characteristics 26
Configuring Interfaces 26
Adding a Description for an Interface 27
Configuring a Range of Interfaces 28
Configuring and Using Interface Range Macros 30
Configuring Ethernet Interfaces 31
Setting the Interface Speed and Duplex Parameters 31
Configuring IEEE 802.3x Flow Control 33
Configuring Layer 3 Interfaces 34
Configuring SVI Autostate Exclude 35
Shutting Down and Restarting the Interface 36
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Configuring the Console Media Type 37
Configuring the USB Inactivity Timeout 38
Monitoring Interface Characteristics 39
Monitoring Interface Status 39
Clearing and Resetting Interfaces and Counters 40
Configuration Examples for Interface Characteristics 41
Configuring a Range of Interfaces: Examples 41
Configuring and Using Interface Range Macros: Examples 41
Setting Interface Speed and Duplex Mode: Example 42
Configuring Layer 3 Interfaces: Example 42
Configuring the Console Media Type: Example 42
Configuring the USB Inactivity Timeout: Example 43
Additional References for the Interface Characteristics Feature 43
Feature History and Information for Configuring Interface Characteristics 44
Configuring Auto-MDIX 45
CHAPTER 3
Prerequisites for Auto-MDIX 45
Restrictions for Auto-MDIX 45
Information about Configuring Auto-MDIX 46
Auto-MDIX on an Interface 46
How to Configure Auto-MDIX 46
Configuring Auto-MDIX on an Interface 46
Example for Configuring Auto-MDIX 47
Additional References 48
Feature History and Information for Auto-MDIX 48
Configuring Ethernet Management Port 49
CHAPTER 4
Finding Feature Information 49
Prerequisites for Ethernet Management Ports 49
Information about the Ethernet Management Port 49
Ethernet Management Port Direct Connection to a Switch 50
Ethernet Management Port Connection to Stack Switches using a Hub 50
Ethernet Management Port and Routing 50
Supported Features on the Ethernet Management Port 51
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How to Configure the Ethernet Management Port 52
Disabling and Enabling the Ethernet Management Port 52
Additional References 53
Feature Information for Ethernet Management Ports 53
Configuring LLDP, LLDP-MED, and Wired Location Service 55
CHAPTER 5
LLDP, LLDP-MED, and Wired Location Service Overview 55
LLDP 55
LLDP Supported TLVs 55
LLDP and Cisco Switch Stacks 56
LLDP and Cisco Medianet 56
LLDP-MED 56
LLDP-MED Supported TLVs 56
Wired Location Service 57
Default LLDP Configuration 58
Restrictions for LLDP 59
How to Configure LLDP, LLDP-MED, and Wired Location Service 59
Enabling LLDP 59
Configuring LLDP Characteristics 60
Configuring LLDP-MED TLVs 62
Configuring Network-Policy TLV 63
Configuring Location TLV and Wired Location Service 66
Enabling Wired Location Service on the Switch 68
Configuration Examples for LLDP, LLDP-MED, and Wired Location Service 69
Configuring Network-Policy TLV: Examples 69
Monitoring and Maintaining LLDP, LLDP-MED, and Wired Location Service 69
Additional References for LLDP, LLDP-MED, and Wired Location Service 71
Feature Information for LLDP, LLDP-MED, and Wired Location Service 71
Configuring System MTU 73
CHAPTER 6
Information About the MTU 73
Restrictions for System MTU 73
How to Configure MTU 73
Configuring the System MTU 73
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Configuration Examples for System MTU 75
Additional References for System MTU 75
Feature Information for System MTU 76
Configuring Internal Power Supplies 77
CHAPTER 7
Information About Internal Power Supplies 77
How to Configure Internal Power Supplies 77
Configuring Internal Power Supply 77
Monitoring Internal Power Supplies 78
Configuration Examples for Internal Power Supplies 78
Additional References 79
Feature History and Information for Internal Power Supplies 80
Configuring Boot Fast 81
CHAPTER 8
Configuring Boot Fast on the switch 81
Enabling Boot Fast 81
Disabling Boot Fast 82
Configuring PoE 83
CHAPTER 9
Finding Feature Information 83
Information about PoE 83
Power over Ethernet Ports 83
Supported Protocols and Standards 83
Powered-Device Detection and Initial Power Allocation 84
Power Management Modes 85
How to Configure PoE 88
Configuring a Power Management Mode on a PoE Port 88
Budgeting Power for Devices Connected to a PoE Port 90
Budgeting Power to All PoE ports 90
Budgeting Power to a Specific PoE Port 91
Configuring Power Policing 92
Monitoring Power Status 94
Configuration Examples for Configuring PoE 95
Budgeting Power: Example 95
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Additional References 95
Configuring 2-event Classification 97
CHAPTER 10
Information about 2-event Classification 97
Configuring 2-event Classification 97
Example: Configuring 2-Event Classification 98
Configuring EEE 99
CHAPTER 11
Restrictions for EEE 99
Information About EEE 99
EEE Overview 99
Default EEE Configuration 100
How to Configure EEE 100
Enabling or Disabling EEE 100
Monitoring EEE 101
Configuration Examples for Configuring EEE 102
Additional References 102
Feature History and Information for Configuring EEE 103
IP Multicast Routing 105
PART II
IP Multicast Routing Technology Overview 107
CHAPTER 12
Finding Feature Information 107
Information About IP Multicast Technology 107
Role of IP Multicast in Information Delivery 107
IP Multicast Routing Protocols 107
Multicast Group Transmission Scheme 108
IP Multicast Boundary 109
IP Multicast Group Addressing 110
IP Class D Addresses 110
IP Multicast Address Scoping 110
Layer 2 Multicast Addresses 112
IP Multicast Delivery Modes 112
Source Specific Multicast 112
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Additional References 112
Configuring IGMP 115
CHAPTER 13
Finding Feature Information 115
Prerequisites for IGMP 115
Restrictions for Configuring IGMP 116
Information About IGMP 116
Role of the Internet Group Management Protocol 116
IGMP Multicast Addresses 116
IGMP Versions 117
IGMP Version 1 117
IGMP Version 2 117
IGMP Version 3 117
IGMPv3 Host Signalling 118
IGMP Versions Differences 118
IGMP Join and Leave Process 120
IGMP Join Process 120
IGMP Leave Process 120
Default IGMP Configuration 121
How to Configure IGMP 122
Configuring the Switch as a Member of a Group 122
Controlling Access to IP Multicast Group 123
Changing the IGMP Version 125
Modifying the IGMP Host-Query Message Interval 126
Changing the IGMP Query Timeout for IGMPv2 128
Changing the Maximum Query Response Time for IGMPv2 129
Configuring the Switch as a Statically Connected Member 130
Monitoring IGMP 131
Configuration Examples for IGMP 132
Example: Configuring the Switch as a Member of a Multicast Group 132
Example: Controlling Access to IP Multicast Groups 133
Additional References 133
Feature History and Information for IGMP 134
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Configuring CGMP 135
CHAPTER 14
Prerequisites for Configuring CGMP 135
Restrictions for CGMP 135
Information About CGMP 135
Enabling CGMP Server Support 136
Monitoring CGMP 137
Additional References 139
Feature History and Information for CGMP 139
Configuring PIM 141
CHAPTER 15
Prerequisites for PIM 141
Restrictions for PIM 142
PIMv1 and PIMv2 Interoperability 142
Restrictions for Configuring PIM Stub Routing 142
Restrictions for Configuring Auto-RP and BSR 143
Information About PIM 144
Protocol Independent Multicast Overview 144
PIM Dense Mode 144
PIM Sparse Mode 145
Sparse-Dense Mode 145
PIM Versions 146
PIM Stub Routing 146
IGMP Helper 148
Rendezvous Points 148
Auto-RP 148
Sparse-Dense Mode for Auto-RP 149
Bootstrap Router 150
PIM Domain Border 150
Multicast Forwarding 150
Multicast Distribution Source Tree 150
Multicast Distribution Shared Tree 151
Source Tree Advantage 152
Shared Tree Advantage 152
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PIM Shared Tree and Source Tree 153
Reverse Path Forwarding 154
RPF Check 155
Default PIM Routing Configuration 156
How to Configure PIM 157
Enabling PIM Stub Routing 157
Configuring a Rendezvous Point 158
Manually Assigning an RP to Multicast Groups 158
Setting Up Auto-RP in a New Internetwork 161
Adding Auto-RP to an Existing Sparse-Mode Cloud 163
Configuring Sparse Mode with a Single Static RP 166
Preventing Join Messages to False RPs 168
Filtering Incoming RP Announcement Messages 169
Configuring PIMv2 BSR 171
Defining the PIM Domain Border 171
Defining the IP Multicast Boundary 172
Configuring Candidate BSRs 174
Configuring the Candidate RPs 175
Delaying the Use of PIM Shortest-Path Tree 177
Modifying the PIM Router-Query Message Interval 179
Verifying PIM Operations 180
Verifying IP Multicast Operation in a PIM-SM or a PIM-SSM Network 180
Using PIM-Enabled Routers to Test IP Multicast Reachability 187
Monitoring and Troubleshooting PIM 188
Monitoring PIM Information 188
Monitoring the RP Mapping and BSR Information 189
Troubleshooting PIMv1 and PIMv2 Interoperability Problems 190
Configuration Examples for PIM 190
Example: Enabling PIM Stub Routing 190
Example: Verifying PIM Stub Routing 191
Example: Manually Assigning an RP to Multicast Groups 191
Example: Configuring Auto-RP 191
Example: Defining the IP Multicast Boundary to Deny Auto-RP Information 191
Example: Filtering Incoming RP Announcement Messages 191
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Example: Preventing Join Messages to False RPs 192
Example: Configuring Candidate BSRs 192
Example: Configuring Candidate RPs 192
Additional References 193
Feature History and Information for PIM 194
Configuring HSRP Aware PIM 195
CHAPTER 16
HSRP Aware PIM 195
Restrictions for HSRP Aware PIM 195
Information About HSRP Aware PIM 195
HSRP 195
HSRP Aware PIM 196
How to Configure HSRP Aware PIM 197
Configuring an HSRP Group on an Interface 197
Configuring PIM Redundancy 198
Configuration Examples for HSRP Aware PIM 199
Example: Configuring an HSRP Group on an Interface 199
Example: Configuring PIM Redundancy 200
Additional References for HSRP Aware PIM 200
Feature Information for HSRP Aware PIM 201
Configuring VRRP Aware PIM 203
CHAPTER 17
VRRP Aware PIM 203
Restrictions for VRRP Aware PIM 203
Information About VRRP Aware PIM 203
Overview of VRRP Aware PIM 203
How to Configure VRRP Aware PIM 204
Configuring VRRP Aware PIM 204
Configuration Examples for VRRP Aware PIM 206
Example: VRRP Aware PIM 206
Additional References for VRRP Aware PIM 206
Configuring Basic IP Multicast Routing 207
CHAPTER 18
Prerequisites for Basic IP Multicast Routing 207
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Restrictions for Basic IP Multicast Routing 207
Information About Basic IP Multicast Routing 208
Multicast Routing and Switch Stacks 208
Default IP Multicast Routing Configuration 208
Configuring sdr Listener Support 209
How to Configure Basic IP Multicast Routing 209
Configuring Basic IP Multicast Routing 209
Configuring Optional IP Multicast Routing Features 212
Defining the IP Multicast Boundary 212
Configuring Multicast VRFs 213
Advertising Multicast Multimedia Sessions Using SAP Listener 215
Monitoring and Maintaining Basic IP Multicast Routing 216
Clearing Caches, Tables, and Databases 216
Displaying System and Network Statistics 217
Displaying Multicast Peers, Packet Rates and Loss Information, and Path Tracing 218
Additional References 219
Feature History and Information for IP Multicast 220
Configuring SSM 221
CHAPTER 19
Prerequisites for Configuring SSM 221
Restrictions for Configuring SSM 221
Information About SSM and SSM Mapping 223
SSM Components Overview 223
How SSM Differs from Internet Standard Multicast 223
SSM Operations 224
IGMPv3 Host Signaling 224
Benefits of SSM 225
SSM Mapping Overview 226
Static SSM Mapping 226
DNS-Based SSM Mapping 226
SSM Mapping Benefits 228
How to Configure SSM and SSM Mapping 228
Configuring SSM 228
Configuring SSM Mapping 230
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Configuring Static SSM Mapping 230
Configuring DNS-Based SSM Mapping 231
Configuring Static Traffic Forwarding with SSM Mapping 233
Verifying SSM Mapping Configuration and Operation 234
Monitoring SSM and SSM Mapping 236
Monitoring SSM 236
Monitoring SSM Mapping 236
Configuration Examples for SSM and SSM Mapping 237
SSM with IGMPv3 Example 237
SSM Filtering Example 237
SSM Mapping Example 238
DNS Server Configuration Example 240
Additional References 241
Feature History and Information for SSM 242
Configuring IGMP Snooping and Multicast VLAN Registration 243
CHAPTER 20
Finding Feature Information 243
Prerequisites for Configuring IGMP Snooping and MVR 243
Prerequisites for IGMP Snooping 243
Restrictions for Configuring IGMP Snooping and MVR 244
Restrictions for IGMP Snooping 244
Restrictions for MVR 245
Information About IGMP Snooping and MVR 246
IGMP Snooping 246
IGMP Versions 247
Joining a Multicast Group 247
Leaving a Multicast Group 249
Immediate Leave 249
IGMP Configurable-Leave Timer 249
IGMP Report Suppression 249
IGMP Snooping and Switch Stacks 250
Default IGMP Snooping Configuration 250
Multicast VLAN Registration 251
MVR and IGMP 251
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Modes of Operation 251
MVR and Switch Stacks 251
MVR in a Multicast Television Application 252
Default MVR Configuration 253
IGMP Filtering and Throttling 253
Default IGMP Filtering and Throttling Configuration 254
How to Configure IGMP Snooping and MVR 255
Enabling or Disabling IGMP Snooping on a Switch 255
Enabling or Disabling IGMP Snooping on a VLAN Interface 256
Setting the Snooping Method 257
Configuring a Multicast Router Port 258
Configuring a Host Statically to Join a Group 259
Enabling IGMP Immediate Leave 261
Configuring the IGMP Leave Timer 262
Configuring TCN-Related Commands 263
Controlling the Multicast Flooding Time After a TCN Event 263
Recovering from Flood Mode 264
Disabling Multicast Flooding During a TCN Event 266
Configuring the IGMP Snooping Querier 267
Disabling IGMP Report Suppression 269
Configuring MVR Global Parameters 270
Configuring MVR Interfaces 272
Configuring IGMP Profiles 274
Applying IGMP Profiles 276
Setting the Maximum Number of IGMP Groups 278
Configuring the IGMP Throttling Action 279
Monitoring IGMP Snooping and MVR 281
Monitoring IGMP Snooping Information 281
Monitoring MVR 282
Monitoring IGMP Filtering and Throttling Configuration 283
Configuration Examples for IGMP Snooping and MVR 284
Example: Configuring IGMP Snooping Using CGMP Packets 284
Example: Enabling a Static Connection to a Multicast Router 284
Example: Configuring a Host Statically to Join a Group 284
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Example: Enabling IGMP Immediate Leave 284
Example: Setting the IGMP Snooping Querier Source Address 284
Example: Setting the IGMP Snooping Querier Maximum Response Time 285
Example: Setting the IGMP Snooping Querier Timeout 285
Example: Setting the IGMP Snooping Querier Feature 285
Example: Configuring IGMP Profiles 285
Example: Applying IGMP Profile 286
Example: Setting the Maximum Number of IGMP Groups 286
Example: Configuring MVR Global Parameters 286
Example: Configuring MVR Interfaces 286
Additional References 287
Feature History and Information for IGMP Snooping 287
First Hop Protocols 289
PART III
Configuring HSRP and VRRP 291
CHAPTER 21
Configuring HSRP and VRRP 291
Information About Configuring HSRP 291
HSRP Overview 291
HSRP Versions 293
Multiple HSRP 293
SSO HSRP 294
HSRP and Switch Stacks 294
How to Configure HSRP 294
Default HSRP Configuration 294
HSRP Configuration Guidelines 295
Enabling HSRP 296
Configuring HSRP Priority 297
Configuring MHSRP 299
Configuring HSRP Authentication and Timers 306
Enabling HSRP Support for ICMP Redirect Messages 307
Configuring HSRP Groups and Clustering 307
Troubleshooting HSRP 308
Verifying HSRP 308
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Verifying HSRP Configurations 308
Configuration Examples for Configuring HSRP 309
Enabling HSRP: Example 309
Configuring HSRP Priority: Example 309
Configuring MHSRP: Example 309
Configuring HSRP Authentication and Timer: Example 310
Configuring HSRP Groups and Clustering: Example 310
Information About VRRP 310
Configuring VRRP 310
Additional References for Configuring HSRP 311
Feature Information for HSRP 312
IPv6 313
PART IV
Configuring MLD Snooping 315
CHAPTER 22
Information About Configuring IPv6 MLD Snooping 315
Understanding MLD Snooping 316
MLD Messages 316
MLD Queries 317
Multicast Client Aging Robustness 317
Multicast Router Discovery 317
MLD Reports 318
MLD Done Messages and Immediate-Leave 318
Topology Change Notification Processing 318
MLD Snooping in Switch Stacks 319
How to Configure IPv6 MLD Snooping 319
Default MLD Snooping Configuration 319
MLD Snooping Configuration Guidelines 320
Enabling or Disabling MLD Snooping on the Switch (CLI) 320
Enabling or Disabling MLD Snooping on a VLAN (CLI) 321
Configuring a Static Multicast Group 322
Configuring a Multicast Router Port (CLI) 323
Enabling MLD Immediate Leave (CLI) 324
Configuring MLD Snooping Queries (CLI) 324
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Disabling MLD Listener Message Suppression (CLI) 326
Displaying MLD Snooping Information 327
Configuration Examples for Configuring MLD Snooping 328
Configuring a Static Multicast Group: Example 328
Configuring a Multicast Router Port: Example 328
Enabling MLD Immediate Leave: Example 328
Configuring MLD Snooping Queries: Example 328
Configuring IPv6 Unicast Routing 331
CHAPTER 23
Information About Configuring IPv6 Host Functions 331
Understanding IPv6 331
IPv6 Addresses 332
Supported IPv6 Unicast Routing Features 332
IPv6 and Switch Stacks 336
Default IPv6 Configuration 337
Configuring IPv6 Addressing and Enabling IPv6 Routing 337
Configuring IPv6 ICMP Rate Limiting 339
Configuring Static Routing for IPv6 (CLI) 340
Displaying IPv6 343
Configuration Examples for IPv6 Unicast Routing 343
Configuring IPv6 Addressing and Enabling IPv6 Routing: Example 343
Configuring IPv6 ICMP Rate Limiting: Example 344
Configuring Static Routing for IPv6: Example 344
Displaying IPv6: Example 344
Implementing IPv6 Multicast 345
CHAPTER 24
Information About Implementing IPv6 Multicast Routing 345
IPv6 Multicast Overview 345
IPv6 Multicast Routing Implementation 346
MLD Access Group 346
Explicit Tracking of Receivers 346
Protocol Independent Multicast 346
PIM-Sparse Mode 346
IPv6 BSR: Configure RP Mapping 347
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PIM-Source Specific Multicast 347
Routable Address Hello Option 348
PIM IPv6 Stub Routing 348
Static Mroutes 349
MRIB 349
MFIB 349
Distributed MFIB 350
IPv6 Multicast Process Switching and Fast Switching 350
Implementing IPv6 Multicast 351
Enabling IPv6 Multicast Routing 351
Customizing and Verifying the MLD Protocol 351
Customizing and Verifying MLD on an Interface 351
Implementing MLD Group Limits 353
Configuring Explicit Tracking of Receivers to Track Host Behavior 353
Resetting the MLD Traffic Counters 354
Clearing the MLD Interface Counters 354
Configuring PIM 355
Configuring PIM-SM and Displaying PIM-SM Information for a Group Range 355
Configuring PIM Options 356
Resetting the PIM Traffic Counters 357
Clearing the PIM Topology Table to Reset the MRIB Connection 358
Configuring PIM IPv6 Stub Routing 359
PIM IPv6 Stub Routing Configuration Guidelines 359
Default IPv6 PIM Routing Configuration 360
Enabling IPV6 PIM Stub Routing 360
Monitoring IPv6 PIM Stub Routing 362
Configuring a BSR 362
Configuring a BSR and Verifying BSR Information 362
Sending PIM RP Advertisements to the BSR 363
Configuring BSR for Use Within Scoped Zones 364
Configuring BSR Switches to Announce Scope-to-RP Mappings 365
Configuring SSM Mapping 365
Configuring Static Mroutes 366
Using MFIB in IPv6 Multicast 367
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Verifying MFIB Operation in IPv6 Multicast 368
Resetting MFIB Traffic Counters 369
Configuring IPv6 ACL 371
CHAPTER 25
Information About Configuring IPv6 ACLs 371
Understanding IPv6 ACLs 371
Supported ACL Features 372
IPv6 ACL Limitations 372
Configuring IPv6 ACLs 373
Default IPv6 ACL Configuration 373
Interaction with Other Features and Switches 373
Creating an IPv6 ACL 374
Applying an IPv6 to an Interface 377
Displaying IPv6 ACLs 379
Configuration Examples for IPv6 ACL 379
Example: Creating IPv6 ACL 379
Example: Applying IPv6 ACLs 380
Example: Displaying IPv6 ACLs 380
Layer 2/3 381
PART V
Configuring Spanning Tree Protocol 383
CHAPTER 26
Restrictions for STP 383
Information About Spanning Tree Protocol 383
Spanning Tree Protocol 383
Spanning-Tree Topology and BPDUs 384
Bridge ID, Device Priority, and Extended System ID 386
Port Priority Versus Path Cost 387
Spanning-Tree Interface States 387
How a Switch or Port Becomes the Root Switch or Root Port 390
Spanning Tree and Redundant Connectivity 391
Spanning-Tree Address Management 391
Accelerated Aging to Retain Connectivity 391
Spanning-Tree Modes and Protocols 391
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