Concept Guide
Ring Status................................................................................................................................................................361
Multiple FRRP Rings................................................................................................................................................ 361
Important FRRP Points...........................................................................................................................................362
Important FRRP Concepts..................................................................................................................................... 363
Implementing FRRP.......................................................................................................................................................364
FRRP Conguration...................................................................................................................................................... 364
Creating the FRRP Group.......................................................................................................................................364
Conguring the Control VLAN...............................................................................................................................365
Conguring and Adding the Member VLANs...................................................................................................... 366
Setting the FRRP Timers........................................................................................................................................367
Clearing the FRRP Counters.................................................................................................................................. 367
Viewing the FRRP Conguration........................................................................................................................... 367
Viewing the FRRP Information...............................................................................................................................367
Troubleshooting FRRP.................................................................................................................................................. 368
Conguration Checks..............................................................................................................................................368
Sample Conguration and Topology............................................................................................................................368
FRRP Support on VLT...................................................................................................................................................369
Example Scenario.....................................................................................................................................................370
Important Points to Remember.............................................................................................................................. 371
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 372
Important Points to Remember....................................................................................................................................372
Congure GVRP.............................................................................................................................................................373
Related Conguration Tasks................................................................................................................................... 373
Enabling GVRP Globally.................................................................................................................................................374
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 374
Congure GVRP Registration.......................................................................................................................................374
Congure a GARP Timer...............................................................................................................................................375
RPM Redundancy..........................................................................................................................................................375
19 High Availability (HA)................................................................................................................................377
Component Redundancy...............................................................................................................................................377
Automatic and Manual Stack Unit Failover...........................................................................................................377
Synchronization between Management and Standby Units.............................................................................. 378
Forcing a Stack Unit Failover..................................................................................................................................378
Specifying an Auto-Failover Limit.......................................................................................................................... 379
Disabling Auto-Reboot.............................................................................................................................................379
Pre-Conguring a Stack Unit Slot............................................................................................................................... 379
Removing a Provisioned Logical Stack Unit............................................................................................................... 379
Hitless Behavior..............................................................................................................................................................379
Graceful Restart............................................................................................................................................................ 380
Software Resiliency....................................................................................................................................................... 380
Software Component Health Monitoring............................................................................................................. 380
System Health Monitoring......................................................................................................................................380
Failure and Event Logging....................................................................................................................................... 381
Hot-Lock Behavior......................................................................................................................................................... 381
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