Users Guide

Multiple FRRP Rings................................................................................................................................................ 324
Important FRRP Points............................................................................................................................................ 325
Important FRRP Concepts.......................................................................................................................................326
Implementing FRRP........................................................................................................................................................327
FRRP Conguration........................................................................................................................................................327
Creating the FRRP Group.........................................................................................................................................327
Conguring the Control VLAN..................................................................................................................................327
Conguring and Adding the Member VLANs............................................................................................................328
Setting the FRRP Timers......................................................................................................................................... 329
Clearing the FRRP Counters....................................................................................................................................330
Viewing the FRRP Conguration..............................................................................................................................330
Viewing the FRRP Information................................................................................................................................. 330
Troubleshooting FRRP................................................................................................................................................... 330
Conguration Checks...............................................................................................................................................330
Sample Conguration and Topology................................................................................................................................ 331
19 GARP VLAN Registration Protocol (GVRP)............................................................... 333
Important Points to Remember...................................................................................................................................... 333
Congure GVRP.............................................................................................................................................................334
Related Conguration Tasks..................................................................................................................................... 334
Enabling GVRP Globally..................................................................................................................................................334
Enabling GVRP on a Layer 2 Interface............................................................................................................................335
Congure GVRP Registration.........................................................................................................................................335
Congure a GARP Timer................................................................................................................................................336
RPM Redundancy.......................................................................................................................................................... 336
20 High Availability (HA)................................................................................................ 337
Component Redundancy................................................................................................................................................337
Automatic and Manual Stack Unit Failover............................................................................................................... 337
Synchronization between Management and Standby Units..................................................................................... 338
Forcing an Stack Unit Failover..................................................................................................................................338
Specifying an Auto-Failover Limit.............................................................................................................................338
Disabling Auto-Reboot............................................................................................................................................. 339
Manually Synchronizing Management and Standby Units........................................................................................ 339
Pre-Conguring a Stack Unit Slot.................................................................................................................................. 339
Removing a Provisioned Logical Stack Unit....................................................................................................................340
Hitless Behavior............................................................................................................................................................. 340
Graceful Restart.............................................................................................................................................................340
Software Resiliency.........................................................................................................................................................341
Software Component Health Monitoring.................................................................................................................. 341
System Health Monitoring........................................................................................................................................ 341
Failure and Event Logging......................................................................................................................................... 341
Hot-Lock Behavior......................................................................................................................................................... 342
21 Internet Group Management Protocol (IGMP)...........................................................343
IGMP Implementation Information..................................................................................................................................343
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