Administrator Guide

Protocol Overview.........................................................................................................................................................299
Ring Status...............................................................................................................................................................300
Multiple FRRP Rings............................................................................................................................................... 300
Important FRRP Points............................................................................................................................................301
Important FRRP Concepts..................................................................................................................................... 302
Implementing FRRP.......................................................................................................................................................303
FRRP Conguration...................................................................................................................................................... 303
Creating the FRRP Group.......................................................................................................................................303
Conguring the Control VLAN...............................................................................................................................304
Conguring and Adding the Member VLANs...................................................................................................... 305
Setting the FRRP Timers........................................................................................................................................306
Clearing the FRRP Counters..................................................................................................................................306
Viewing the FRRP Conguration...........................................................................................................................306
Viewing the FRRP Information.............................................................................................................................. 306
Troubleshooting FRRP...................................................................................................................................................307
Conguration Checks..............................................................................................................................................307
Sample Conguration and Topology............................................................................................................................ 307
16 GARP VLAN Registration Protocol (GVRP)..............................................................................................309
Important Points to Remember................................................................................................................................... 309
Congure GVRP............................................................................................................................................................. 310
Related Conguration Tasks....................................................................................................................................310
Enabling GVRP Globally..................................................................................................................................................311
Enabling GVRP on a Layer 2 Interface......................................................................................................................... 311
Congure GVRP Registration........................................................................................................................................311
Congure a GARP Timer............................................................................................................................................... 312
RPM Redundancy...........................................................................................................................................................312
17 High Availability (HA)................................................................................................................................ 314
Component Redundancy...............................................................................................................................................314
Automatic and Manual Stack Unit Failover........................................................................................................... 314
Synchronization between Management and Standby Units...............................................................................315
Forcing a Stack Unit Failover.................................................................................................................................. 315
Disabling Auto-Reboot.............................................................................................................................................316
Pre-Conguring a Stack Unit Slot................................................................................................................................316
Removing a Provisioned Logical Stack Unit................................................................................................................316
Hitless Behavior.............................................................................................................................................................. 317
Graceful Restart..............................................................................................................................................................317
Software Resiliency........................................................................................................................................................ 317
Software Component Health Monitoring.............................................................................................................. 317
System Health Monitoring.......................................................................................................................................318
Failure and Event Logging....................................................................................................................................... 318
Hot-Lock Behavior......................................................................................................................................................... 319
18 Internet Group Management Protocol (IGMP)......................................................................................... 320
IGMP Implementation Information.............................................................................................................................. 320
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