Users Guide

Setting the FRRP Timers........................................................................................................................................262
Clearing the FRRP Counters..................................................................................................................................263
Viewing the FRRP Conguration...........................................................................................................................263
Viewing the FRRP Information...............................................................................................................................263
Troubleshooting FRRP.................................................................................................................................................. 263
Conguration Checks..............................................................................................................................................263
Sample Conguration and Topology............................................................................................................................264
16 GARP VLAN Registration Protocol (GVRP)..............................................................................................266
Important Points to Remember................................................................................................................................... 266
Congure GVRP.............................................................................................................................................................267
Related Conguration Tasks................................................................................................................................... 267
Enabling GVRP Globally................................................................................................................................................ 267
Enabling GVRP on a Layer 2 Interface........................................................................................................................268
Congure GVRP Registration...................................................................................................................................... 268
Congure a GARP Timer.............................................................................................................................................. 269
RPM Redundancy..........................................................................................................................................................269
17 High Availability (HA)................................................................................................................................270
Component Redundancy.............................................................................................................................................. 270
Automatic and Manual Stack Unit Failover...........................................................................................................270
Synchronization between Management and Standby Units............................................................................... 271
Forcing an Stack Unit Failover................................................................................................................................ 271
Specifying an Auto-Failover Limit.......................................................................................................................... 272
Disabling Auto-Reboot.............................................................................................................................................272
Manually Synchronizing Management and Standby Units..................................................................................272
Pre-Conguring a Stack Unit Slot................................................................................................................................272
Removing a Provisioned Logical Stack Unit................................................................................................................273
Hitless Behavior..............................................................................................................................................................273
Graceful Restart.............................................................................................................................................................273
Software Resiliency....................................................................................................................................................... 273
Software Component Health Monitoring..............................................................................................................273
System Health Monitoring...................................................................................................................................... 274
Failure and Event Logging.......................................................................................................................................274
Hot-Lock Behavior.........................................................................................................................................................275
18 Internet Group Management Protocol (IGMP)..........................................................................................276
IGMP Implementation Information...............................................................................................................................276
IGMP Protocol Overview.............................................................................................................................................. 276
IGMP Version 2........................................................................................................................................................ 276
IGMP Version 3........................................................................................................................................................ 278
Congure IGMP.............................................................................................................................................................. 281
Related Conguration Tasks....................................................................................................................................281
Viewing IGMP Enabled Interfaces............................................................................................................................... 282
Selecting an IGMP Version........................................................................................................................................... 282
Viewing IGMP Groups...................................................................................................................................................282
Adjusting Timers............................................................................................................................................................ 283
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