Administrator Guide

Ring Status................................................................................................................................................................ 271
Multiple FRRP Rings................................................................................................................................................ 271
Important FRRP Points........................................................................................................................................... 272
Important FRRP Concepts..................................................................................................................................... 273
Implementing FRRP....................................................................................................................................................... 274
FRRP Conguration.......................................................................................................................................................274
Creating the FRRP Group....................................................................................................................................... 274
Conguring the Control VLAN............................................................................................................................... 275
Conguring and Adding the Member VLANs.......................................................................................................276
Setting the FRRP Timers........................................................................................................................................ 277
Clearing the FRRP Counters.................................................................................................................................. 277
Viewing the FRRP Conguration........................................................................................................................... 277
Viewing the FRRP Information...............................................................................................................................277
Troubleshooting FRRP...................................................................................................................................................278
Conguration Checks.............................................................................................................................................. 278
Sample Conguration and Topology............................................................................................................................ 278
16 GARP VLAN Registration Protocol (GVRP)..............................................................................................280
Important Points to Remember................................................................................................................................... 280
Congure GVRP............................................................................................................................................................. 281
Related Conguration Tasks....................................................................................................................................281
Enabling GVRP Globally................................................................................................................................................ 282
Enabling GVRP on a Layer 2 Interface........................................................................................................................282
Congure GVRP Registration.......................................................................................................................................282
Congure a GARP Timer.............................................................................................................................................. 283
RPM Redundancy..........................................................................................................................................................283
17 High Availability (HA)............................................................................................................................... 285
Component Redundancy.............................................................................................................................................. 285
Automatic and Manual Stack Unit Failover.......................................................................................................... 285
Synchronization between Management and Standby Units..............................................................................286
Forcing a Stack Unit Failover................................................................................................................................. 286
Disabling Auto-Reboot.............................................................................................................................................287
Manually Synchronizing Management and Standby Units..................................................................................287
Pre-Conguring a Stack Unit Slot................................................................................................................................287
Removing a Provisioned Logical Stack Unit............................................................................................................... 288
Hitless Behavior............................................................................................................................................................. 288
Graceful Restart.............................................................................................................................................................288
Software Resiliency....................................................................................................................................................... 289
Software Component Health Monitoring............................................................................................................. 289
System Health Monitoring......................................................................................................................................289
Failure and Event Logging.......................................................................................................................................289
Hot-Lock Behavior.........................................................................................................................................................290
18 Internet Group Management Protocol (IGMP)..........................................................................................291
IGMP Implementation Information............................................................................................................................... 291
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Contents