Protocol Overview.......................................................................................................................................................... 271
Ring Status............................................................................................................................................................... 272
Multiple FRRP Rings................................................................................................................................................272
Important FRRP Points........................................................................................................................................... 273
Important FRRP Concepts......................................................................................................................................274
Implementing FRRP.......................................................................................................................................................275
FRRP Configuration.......................................................................................................................................................275
Creating the FRRP Group.......................................................................................................................................275
Configuring the Control VLAN............................................................................................................................... 276
Setting the FRRP Timers........................................................................................................................................ 278
Clearing the FRRP Counters.................................................................................................................................. 278
Viewing the FRRP Configuration........................................................................................................................... 278
Viewing the FRRP Information...............................................................................................................................278
Troubleshooting FRRP...................................................................................................................................................279
Configuration Checks.............................................................................................................................................. 279
FRRP Support on VLT...................................................................................................................................................280
Example Scenario..................................................................................................................................................... 281
Important Points to Remember..............................................................................................................................282
Important Points to Remember....................................................................................................................................283
Configure GVRP............................................................................................................................................................ 284
Related Configuration Tasks................................................................................................................................... 284
Enabling GVRP Globally................................................................................................................................................ 285
Configure GVRP Registration...................................................................................................................................... 285
Configure a GARP Timer.............................................................................................................................................. 286
RPM Redundancy..........................................................................................................................................................286
17 High Availability (HA)................................................................................................................................288
Component Redundancy.............................................................................................................................................. 288
Forcing a Stack Unit Failover................................................................................................................................. 289
Disabling Auto-Reboot............................................................................................................................................ 290
Hitless Behavior.............................................................................................................................................................. 291
Graceful Restart............................................................................................................................................................. 291
Software Resiliency........................................................................................................................................................291
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