Catalyst 2960CX-8TC-L Switch

Cisco Catalyst 2960CX-8TC-L Switch , Catalyst 2960-CX Series Switches, Catalyst 2960CX-8PC-L Switch , Catalyst 3560-CX Series Switches, Catalyst 3560CX-12PC-S Switch , Catalyst 3560CX-12PD-S Switch , Catalyst 3560CX-12TC-S Switch , Catalyst 3560CX-8PC-S Switch , Catalyst 3560CX-8PT-S Switch , Catalyst 3560CX-8TC-S Switch , Catalyst 3560CX-8XPD-S Switch Configuration Guide

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Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(3)E
(Catalyst 3560-CX and 2960-CX Switches)
First Published: 2015-03-11
Last Modified: 2015-07-10
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CONTENTS
Preface lxxi
PREFACE
Document Conventions lxxi
Related Documentation lxxiii
Obtaining Documentation and Submitting a Service Request lxxiii
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 6
Recalling Commands 6
Disabling the Command History Feature 7
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 10
Accessing the CLI on a Switch Stack 10
Accessing the CLI Through a Console Connection or Through Telnet 10
Accessing the CLI through Bluetooth 11
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Interface and Hardware 13
PART I
Configuring Interface Characteristics 15
CHAPTER 2
Information About Configuring Interface Characteristics 15
Interface Types 15
Port-Based VLANs 15
Switch Ports 16
Switch Virtual Interfaces 17
EtherChannel Port Groups 18
Power over Ethernet Ports 18
Using the Switch USB Ports 18
USB Mini-Type B Console Port 18
USB Type A Ports 19
Interface Connections 19
Interface Configuration Mode 20
Default Ethernet Interface Configuration 20
Interface Speed and Duplex Mode 21
Speed and Duplex Configuration Guidelines 21
IEEE 802.3x Flow Control 22
How to Configure Interface Characteristics 23
Configuring Interfaces 23
Adding a Description for an Interface 24
Configuring a Range of Interfaces 25
Configuring and Using Interface Range Macros 26
Configuring Ethernet Interfaces 28
Setting the Interface Speed and Duplex Parameters 28
Configuring IEEE 802.3x Flow Control 30
Configuring SVI Autostate Exclude 31
Shutting Down and Restarting the Interface 32
Configuring the Console Media Type 34
Configuring the USB Inactivity Timeout 35
Monitoring Interface Characteristics 36
Monitoring Interface Status 36
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Contents
Clearing and Resetting Interfaces and Counters 37
Configuration Examples for Interface Characteristics 37
Configuring a Range of Interfaces: Examples 37
Configuring and Using Interface Range Macros: Examples 37
Setting Interface Speed and Duplex Mode: Example 38
Configuring the Console Media Type: Example 38
Configuring the USB Inactivity Timeout: Example 39
Configuring Auto-MDIX 41
CHAPTER 3
Prerequisites for Auto-MDIX 41
Restrictions for Auto-MDIX 41
Information about Configuring Auto-MDIX 41
Auto-MDIX on an Interface 41
How to Configure Auto-MDIX 42
Configuring Auto-MDIX on an Interface 42
Example for Configuring Auto-MDIX 43
Configuring LLDP, LLDP-MED, and Wired Location Service 45
CHAPTER 4
LLDP, LLDP-MED, and Wired Location Service Overview 45
LLDP 45
LLDP Supported TLVs 45
LLDP and Cisco Medianet 46
LLDP-MED 46
LLDP-MED Supported TLVs 46
Wired Location Service 47
Default LLDP Configuration 48
Restrictions for LLDP 49
How to Configure LLDP, LLDP-MED, and Wired Location Service 49
Enabling LLDP 49
Configuring LLDP Characteristics 51
Configuring LLDP-MED TLVs 53
Configuring Network-Policy TLV 54
Configuring Location TLV and Wired Location Service 57
Enabling Wired Location Service on the Switch 59
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Configuration Examples for LLDP, LLDP-MED, and Wired Location Service 60
Configuring Network-Policy TLV: Examples 60
Monitoring and Maintaining LLDP, LLDP-MED, and Wired Location Service 61
Configuring MultiGigabit Ports on WS-C3560CX-8PD-S 63
CHAPTER 5
Finding Feature Information 63
Overview of MultiGigabit Ports 63
Restrictions for MultiGigabit Ports 63
Supported Cable Types and Maximum Length 64
Setting the Interface Speed 64
Examples: Setting the Interface Speed 65
Configuring System MTU 67
CHAPTER 6
Information about the MTU 67
System MTU Guidelines 67
How to Configure MTU 68
Configuring the System MTU 68
Configuration Examples for System MTU 69
Configuring Boot Fast 71
CHAPTER 7
Configuring Boot Fast on the switch 71
Enabling Boot Fast 71
Disabling Boot Fast 72
Configuring PoE 75
CHAPTER 8
Information about PoE 75
Power over Ethernet Ports 75
PoE and PoE Pass-Through Ports on Catalyst WS-C3560CX-8PT-S 75
Example: Configuring PoE and PoE Pass-Through Ports on WS-C3560CX-8PT-S 76
Supported Protocols and Standards 77
Powered-Device Detection and Initial Power Allocation 77
Power Management Modes 78
How to Configure PoE 81
Configuring a Power Management Mode on a PoE Port 81
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Configuring PoE and PoE Pass-Through Ports on Catalyst WS-C3560CX-8PT-S 83
Persistent POE 83
Fast POE 84
Configuring Persistent and Fast POE 84
Budgeting Power for Devices Connected to a PoE Port 85
Budgeting Power to All PoE ports 85
Budgeting Power to a Specific PoE Port 86
Configuring Power Policing 88
Monitoring Power Status 90
Configuration Examples for Configuring PoE 90
Budgeting Power: Example 90
Configuring EEE 93
CHAPTER 9
Restrictions for EEE 93
Information About EEE 93
EEE Overview 93
Default EEE Configuration 93
How to Configure EEE 94
Enabling or Disabling EEE 94
Monitoring EEE 95
Configuration Examples for Configuring EEE 95
IPv6 97
PART II
Configuring MLD Snooping 99
CHAPTER 10
Finding Feature Information 99
Information About Configuring IPv6 MLD Snooping 99
Understanding MLD Snooping 99
MLD Messages 100
MLD Queries 100
Multicast Client Aging Robustness 101
Multicast Router Discovery 101
MLD Reports 102
MLD Done Messages and Immediate-Leave 102
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Topology Change Notification Processing 102
How to Configure IPv6 MLD Snooping 103
Default MLD Snooping Configuration 103
MLD Snooping Configuration Guidelines 103
Enabling or Disabling MLD Snooping on the Switch (CLI) 104
Enabling or Disabling MLD Snooping on a VLAN (CLI) 105
Configuring a Static Multicast Group (CLI) 105
Configuring a Multicast Router Port (CLI) 106
Enabling MLD Immediate Leave (CLI) 107
Configuring MLD Snooping Queries (CLI) 108
Disabling MLD Listener Message Suppression (CLI) 109
Displaying MLD Snooping Information 110
Configuration Examples for Configuring MLD Snooping 111
Configuring a Static Multicast Group: Example 111
Configuring a Multicast Router Port: Example 111
Enabling MLD Immediate Leave: Example 111
Configuring MLD Snooping Queries: Example 112
Configuring IPv6 Unicast Routing 113
CHAPTER 11
Finding Feature Information 113
Information About Configuring IPv6 Unicast Routing 113
Understanding IPv6 113
IPv6 Addresses 114
Supported IPv6 Unicast Routing Features 114
Unsupported IPv6 Unicast Routing Features 119
IPv6 Feature Limitations 119
Configuring IPv6 119
Default IPv6 Configuration 119
Configuring IPv6 Addressing and Enabling IPv6 Routing (CLI) 120
Configuring First Hop Security in IPv6 122
Configuring Default Router Preference (CLI) 133
Configuring IPv6 ICMP Rate Limiting (CLI) 134
Configuring CEF and dCEF for IPv6 135
Configuring Static Routing for IPv6 (CLI) 135
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Configuring RIP for IPv6 (CLI) 137
Configuring OSPF for IPv6 (CLI) 139
Tuning LSA and SPF Timers for OSPFv3 Fast Convergence 141
Configuring LSA and SPF Throttling for OSPFv3 Fast Convergence 142
Configuring EIGRP for IPv6 143
Configuring HSRP for IPv6 144
Enabling HSRP Version 2 144
Enabling an HSRP Group for IPv6 145
Configuring Multi-VRF CE 147
Default Multi-VRF CE Configuration 147
Configuring VRFs 147
Configuring VRF-Aware Services 149
Configuring VRF-Aware Services for Neighbor Discovery 149
Configuring VRF-Aware Services for PING 149
Configuring VRF-Aware Services for HSRP 150
Configuring VRF-Aware Services for Traceroute 151
Configuring VRF-Aware Services for FTP and TFTP 151
Configuring a VPN Routing Session 152
Configuring BGP PE to CE Routing Sessions 153
Multi-VRF CE Configuration Example 155
Displaying Multi-VRF CE Status 158
Displaying IPv6 158
Configuring DHCP for IPv6 Address Assignment 159
Default DHCPv6 Address Assignment Configuration 159
DHCPv6 Address Assignment Configuration Guidelines 159
Enabling DHCPv6 Server Function (CLI) 160
Enabling DHCPv6 Client Function (CLI) 162
Configuration Examples for IPv6 Unicast Routing 163
Configuring IPv6 Addressing and Enabling IPv6 Routing: Example 163
Configuring Default Router Preference: Example 164
Enabling an HSRP Group for IPv6: Example 164
Enabling DHCPv6 Server Function: Example 164
Enabling DHCPv6 Client Function: Example 165
Configuring IPv6 ICMP Rate Limiting: Example 165
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Configuring Static Routing for IPv6: Example 165
Configuring RIP for IPv6: Example 166
Displaying IPv6: Example 166
Implementing IPv6 Multicast 167
CHAPTER 12
Finding Feature Information 167
Information About Implementing IPv6 Multicast Routing 167
IPv6 Multicast Overview 167
IPv6 Multicast Routing Implementation 168
MLD Access Group 168
Explicit Tracking of Receivers 168
IPv6 Multicast User Authentication and Profile Support 168
IPV6 MLD Proxy 169
Protocol Independent Multicast 169
PIM-Sparse Mode 169
IPv6 BSR: Configure RP Mapping 172
PIM-Source Specific Multicast 172
Routable Address Hello Option 174
Bidirectional PIM 174
Static Mroutes 175
MRIB 175
MFIB 175
IPv6 Multicast VRF Lite 175
IPv6 Multicast Process Switching and Fast Switching 176
Multiprotocol BGP for the IPv6 Multicast Address Family 176
NSF and SSO Support In IPv6 Multicast 177
Bandwidth-Based CAC for IPv6 Multicast 177
Implementing IPv6 Multicast 177
Enabling IPv6 Multicast Routing 177
Customizing and Verifying the MLD Protocol 177
Customizing and Verifying MLD on an Interface 177
Implementing MLD Group Limits 179
Configuring Explicit Tracking of Receivers to Track Host Behavior 181
Configuring Multicast User Authentication and Profile Support 181
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Enabling MLD Proxy in IPv6 183
Resetting the MLD Traffic Counters 184
Clearing the MLD Interface Counters 185
Configuring PIM 185
Configuring PIM-SM and Displaying PIM-SM Information for a Group Range 185
Configuring PIM Options 186
Configuring Bidirectional PIM and Displaying Bidirectional PIM Information 187
Resetting the PIM Traffic Counters 188
Clearing the PIM Topology Table to Reset the MRIB Connection 189
Configuring a BSR 190
Configuring a BSR and Verifying BSR Information 190
Sending PIM RP Advertisements to the BSR 191
Configuring BSR for Use Within Scoped Zones 191
Configuring BSR Switches to Announce Scope-to-RP Mappings 192
Configuring SSM Mapping 193
Configuring Static Mroutes 194
Using MFIB in IPv6 Multicast 195
Verifying MFIB Operation in IPv6 Multicast 195
Resetting MFIB Traffic Counters 196
Layer 2 197
PART III
Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling 199
CHAPTER 13
Finding Feature Information 199
Prerequisites for Configuring Tunneling 199
IEEE 802.1Q Tunneling 199
Layer 2 Protocol Tunneling 200
Layer 2 Tunneling for EtherChannels 201
Information about Tunneling 202
IEEE 802.1Q and Layer 2 Protocol Overview 202
IEEE 802.1Q Tunneling 202
IEEE 802.1Q Tunneling Configuration Guidelines 204
Native VLANs 204
System MTU 205
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Default IEEE 802.1Q Tunneling Configuration 206
Layer 2 Protocol Tunneling Overview 206
Layer 2 Protocol Tunneling on Ports 208
Default Layer 2 Protocol Tunneling Configuration 209
How to Configure Tunneling 209
Configuring an IEEE 802.1Q Tunneling Port 209
Configuring Layer 2 Protocol Tunneling 212
Configuring the SP Edge Switch 215
Configuring the Customer Switch 218
Configuration Examples for IEEE 802.1Q and Layer 2 Protocol Tunneling 220
Example: Configuring an IEEE 802.1Q Tunneling Port 220
Example: Configuring Layer 2 Protocol Tunneling 221
Examples: Configuring the SP Edge and Customer Switches 221
Monitoring Tunneling Status 223
Where to Go Next 223
Configuring Spanning Tree Protocol 225
CHAPTER 14
Finding Feature Information 225
Restrictions for STP 225
Information About Spanning Tree Protocol 226
Spanning Tree Protocol 226
Spanning-Tree Topology and BPDUs 226
Bridge ID, Device Priority, and Extended System ID 227
Port Priority Versus Path Cost 228
Spanning-Tree Interface States 229
How a Switch or Port Becomes the Root Switch or Root Port 231
Spanning Tree and Redundant Connectivity 232
Spanning-Tree Address Management 232
Accelerated Aging to Retain Connectivity 233
Spanning-Tree Modes and Protocols 233
Supported Spanning-Tree Instances 234
Spanning-Tree Interoperability and Backward Compatibility 234
STP and IEEE 802.1Q Trunks 234
VLAN-Bridge Spanning Tree 234
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Default Spanning-Tree Configuration 235
How to Configure Spanning-Tree Features 236
Changing the Spanning-Tree Mode 236
Disabling Spanning Tree 237
Configuring the Root Switch 238
Configuring a Secondary Root Device 239
Configuring Port Priority 240
Configuring Path Cost 242
Configuring the Device Priority of a VLAN 243
Configuring the Hello Time 244
Configuring the Forwarding-Delay Time for a VLAN 245
Configuring the Maximum-Aging Time for a VLAN 246
Configuring the Transmit Hold-Count 247
Monitoring Spanning-Tree Status 248
Configuring Multiple Spanning-Tree Protocol 249
CHAPTER 15
Finding Feature Information 249
Prerequisites for MSTP 249
Restrictions for MSTP 250
Information About MSTP 250
MSTP Configuration 250
MSTP Configuration Guidelines 251
Root Switch 251
Multiple Spanning-Tree Regions 252
IST, CIST, and CST 252
Operations Within an MST Region 253
Operations Between MST Regions 253
IEEE 802.1s Terminology 254
Illustration of MST Regions 254
Hop Count 255
Boundary Ports 255
IEEE 802.1s Implementation 256
Port Role Naming Change 256
Interoperation Between Legacy and Standard Switches 257
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Detecting Unidirectional Link Failure 257
Interoperability with IEEE 802.1D STP 258
RSTP Overview 258
Port Roles and the Active Topology 258
Rapid Convergence 259
Synchronization of Port Roles 260
Bridge Protocol Data Unit Format and Processing 261
Topology Changes 262
Protocol Migration Process 263
Default MSTP Configuration 263
About MST-to-PVST+ Interoperability (PVST+ Simulation) 264
About Detecting Unidirectional Link Failure 264
How to Configure MSTP Features 265
Specifying the MST Region Configuration and Enabling MSTP 265
Configuring the Root Switch 267
Configuring a Secondary Root Switch 268
Configuring Port Priority 269
Configuring Path Cost 271
Configuring the Switch Priority 272
Configuring the Hello Time 273
Configuring the Forwarding-Delay Time 274
Configuring the Maximum-Aging Time 275
Configuring the Maximum-Hop Count 276
Specifying the Link Type to Ensure Rapid Transitions 277
Designating the Neighbor Type 278
Restarting the Protocol Migration Process 279
Configuring PVST+ Simulation 280
Enabling PVST+ Simulation on a Port 281
Examples 282
Examples: PVST+ Simulation 282
Examples: Detecting Unidirectional Link Failure 286
Monitoring MST Configuration and Status 286
Feature Information for MSTP 287
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Configuring Optional Spanning-Tree Features 289
CHAPTER 16
Finding Feature Information 289
Restriction for Optional Spanning-Tree Features 289
Information About Optional Spanning-Tree Features 290
PortFast 290
BPDU Guard 290
BPDU Filtering 291
UplinkFast 291
BackboneFast 293
EtherChannel Guard 295
Root Guard 296
Loop Guard 297
STP PortFast Port Types 297
Bridge Assurance 298
How to Configure Optional Spanning-Tree Features 299
Enabling PortFast 299
Enabling BPDU Guard 301
Enabling BPDU Filtering 302
Enabling UplinkFast for Use with Redundant Links 304
Disabling UplinkFast 305
Enabling BackboneFast 306
Enabling EtherChannel Guard 307
Enabling Root Guard 308
Enabling Loop Guard 309
Enabling PortFast Port Types 311
Configuring the Default Port State Globally 311
Configuring PortFast Edge on a Specified Interface 312
Configuring a PortFast Network Port on a Specified Interface 313
Enabling Bridge Assurance 314
Examples 315
Examples: Configuring PortFast Edge on a Specified Interface 315
Examples: Configuring a PortFast Network Port on a Specified Interface 316
Example: Configuring Bridge Assurance 317
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Monitoring the Spanning-Tree Status 318
Configuring Bidirection Forwarding Detection 319
CHAPTER 17
Finding Feature Information 319
Prerequisites for Bidirectional Forwarding Detection 319
Restrictions for Bidirectional Forwarding Detection 320
Information About Bidirectional Forwarding Detection 320
BFD Operation 320
Neighbor Relationships 320
BFD Detection of Failures 321
BFD Version Interoperability 322
BFD Session Limits 322
BFD Support for Nonbroadcast Media Interfaces 322
BFD Support for Nonstop Forwarding with Stateful Switchover 322
BFD Support for Stateful Switchover 322
BFD Support for Static Routing 323
Benefits of Using BFD for Failure Detection 324
How to Configure Bidirectional Forwarding Detection 324
Configuring BFD Session Parameters on the Interface 324
Configuring BFD Support for Dynamic Routing Protocols 325
Configuring BFD Support for BGP 325
Configuring BFD Support for EIGRP 327
Configuring BFD Support for OSPF 329
Configuring BFD Support for Static Routing 332
Configuring BFD Echo Mode 334
Monitoring and Troubleshooting BFD 336
Configuration Examples for Bidirectional Forwarding Detection 337
Example: Configuring BFD in an EIGRP Network with Echo Mode Enabled by Default 337
Example: Configuring BFD in an OSPF Network 343
Example: Configuring BFD Support for Static Routing 346
Configuring EtherChannels 349
CHAPTER 18
Finding Feature Information 349
Restrictions for EtherChannels 349
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Information About EtherChannels 350
EtherChannel Overview 350
EtherChannel Modes 350
EtherChannel on Switches 351
EtherChannel Link Failover 351
Channel Groups and Port-Channel Interfaces 352
Port Aggregation Protocol 352
PAgP Modes 353
PAgP Learn Method and Priority 353
PAgP Interaction with Virtual Switches and Dual-Active Detection 354
PAgP Interaction with Other Features 354
Link Aggregation Control Protocol 355
LACP Modes 355
LACP Interaction with Other Features 355
EtherChannel On Mode 356
Load-Balancing and Forwarding Methods 356
MAC Address Forwarding 356
IP Address Forwarding 356
Load-Balancing Advantages 357
EtherChannel Load Deferral Overview 358
Default EtherChannel Configuration 358
EtherChannel Configuration Guidelines 359
Layer 2 EtherChannel Configuration Guidelines 360
Auto-LAG 360
Auto-LAG Configuration Guidelines 361
How to Configure EtherChannels 361
Configuring Layer 2 EtherChannels 361
Configuring EtherChannel Load-Balancing 363
Configuring Port Channel Load Deferral 364
Configuring the PAgP Learn Method and Priority 366
Configuring LACP Hot-Standby Ports 367
Configuring the LACP System Priority 368
Configuring the LACP Port Priority 369
Configuring the LACP Port Channel Min-Links Feature 370
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Configuring LACP Fast Rate Timer 371
Configuring Auto-LAG Globally 372
Configuring Auto-LAG on a Port Interface 373
Configuring Persistence with Auto-LAG 374
Monitoring EtherChannel, PAgP, and LACP Status 375
Configuration Examples for Configuring EtherChannels 376
Configuring Layer 2 EtherChannels: Examples 376
Example: Configuring Port Channel Load Deferral 377
Configuring Auto LAG: Examples 377
Configuring LACP Port Channel Min-Links: Examples 378
Example: Configuring LACP Fast Rate Timer 378
Configuring Link-State Tracking 381
CHAPTER 19
Finding Feature Information 381
Restrictions for Configuring Link-State Tracking 381
Understanding Link-State Tracking 382
How to Configure Link-State Tracking 384
Monitoring Link-State Tracking 385
Configuring Link-State Tracking: Example 385
Configuring Resilient Ethernet Protocol 387
CHAPTER 20
Finding Feature Information 387
REP Overview 387
Link Integrity 389
Fast Convergence 390
VLAN Load Balancing 390
Spanning Tree Interaction 392
REP Ports 392
How to Configure REP 392
Default REP Configuration 392
REP Configuration Guidelines 393
Configuring the REP Administrative VLAN 394
Configuring REP Interfaces 395
Setting Manual Preemption for VLAN Load Balancing 399
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Configuring SNMP Traps for REP 399
Monitoring REP 400
Configuring Examples for Configuring REP 401
Configuring the REP Administrative VLAN: Examples 401
Configuring REP Interfaces: Examples 401
Configuring Flex Links and the MAC Address-Table Move Update Feature 403
CHAPTER 21
Finding Feature Information 403
Restrictions for Configuring Flex Links and MAC Address-Table Move Update 403
Information About Flex Links and MAC Address-Table Move Update 404
Flex Links 404
Flex Links Configuration 404
VLAN Flex Links Load Balancing and Support 405
Multicast Fast Convergence with Flex Links Failover 405
Learning the Other Flex Links Port as the mrouter Port 405
Generating IGMP Reports 406
Leaking IGMP Reports 406
MAC Address-Table Move Update 406
Flex Links VLAN Load Balancing Configuration Guidelines 408
MAC Address-Table Move Update Configuration Guidelines 408
Default Flex Links and MAC Address-Table Move Update Configuration 408
How to Configure Flex Links and the MAC Address-Table Move Update Feature 408
Configuring Flex Links 408
Configuring a Preemption Scheme for a Pair of Flex Links 409
Configuring VLAN Load Balancing on Flex Links 411
Configuring MAC Address-Table Move Update 411
Configuring a Switch to Obtain and Process MAC Address-Table Move Update Messages 413
Monitoring Flex Links, Multicast Fast Convergence, and MAC Address-Table Move Update 413
Configuration Examples for Flex Links 414
Configuring Flex Links: Examples 414
Configuring VLAN Load Balancing on Flex Links: Examples 414
Configuring the MAC Address-Table Move Update: Examples 415
Configuring Multicast Fast Convergence with Flex Links Failover: Examples 416
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Configuring UniDirectional Link Detection 419
CHAPTER 22
Finding Feature Information 419
Restrictions for Configuring UDLD 419
Information About UDLD 420
Modes of Operation 420
Normal Mode 420
Aggressive Mode 420
Methods to Detect Unidirectional Links 421
Neighbor Database Maintenance 421
Event-Driven Detection and Echoing 421
UDLD Reset Options 421
Default UDLD Configuration 422
How to Configure UDLD 422
Enabling UDLD Globally 422
Enabling UDLD on an Interface 423
Monitoring and Maintaining UDLD 424
High Availability 425
PART IV
Configuring HSRP and VRRP 427
CHAPTER 23
Configuring HSRP 427
Information About Configuring HSRP 427
HSRP Overview 427
HSRP Versions 429
Multiple HSRP 430
SSO HSRP 430
How to Configure HSRP 431
Default HSRP Configuration 431
HSRP Configuration Guidelines 431
Enabling HSRP 431
Configuring HSRP Priority 433
Configuring MHSRP 435
Configuring HSRP Authentication and Timers 441
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