Users Guide

Important FRRP Concepts.......................................................................................................................................328
Implementing FRRP....................................................................................................................................................... 329
FRRP Conguration....................................................................................................................................................... 329
Creating the FRRP Group........................................................................................................................................ 329
Conguring the Control VLAN................................................................................................................................. 330
Conguring and Adding the Member VLANs............................................................................................................ 331
Setting the FRRP Timers......................................................................................................................................... 332
Clearing the FRRP Counters.................................................................................................................................... 332
Viewing the FRRP Conguration..............................................................................................................................332
Viewing the FRRP Information................................................................................................................................. 332
Troubleshooting FRRP....................................................................................................................................................333
Conguration Checks...............................................................................................................................................333
Sample Conguration and Topology............................................................................................................................... 333
19 GARP VLAN Registration Protocol (GVRP)............................................................... 335
Important Points to Remember......................................................................................................................................335
Congure GVRP............................................................................................................................................................ 335
Related Conguration Tasks..................................................................................................................................... 336
Enabling GVRP Globally................................................................................................................................................. 336
Enabling GVRP on a Layer 2 Interface............................................................................................................................337
Congure GVRP Registration.........................................................................................................................................337
Congure a GARP Timer................................................................................................................................................338
RPM Redundancy.......................................................................................................................................................... 338
20 High Availability (HA)................................................................................................ 339
Component Redundancy................................................................................................................................................339
Automatic and Manual Stack Unit Failover...............................................................................................................339
Synchronization between Management and Standby Units..................................................................................... 340
Forcing an Stack Unit Failover..................................................................................................................................340
Specifying an Auto-Failover Limit.............................................................................................................................340
Disabling Auto-Reboot.............................................................................................................................................. 341
Manually Synchronizing Management and Standby Units.........................................................................................341
Pre-Conguring a Stack Unit Slot...................................................................................................................................341
Removing a Provisioned Logical Stack Unit....................................................................................................................342
Hitless Behavior............................................................................................................................................................. 342
Graceful Restart.............................................................................................................................................................342
Software Resiliency........................................................................................................................................................343
Software Component Health Monitoring..................................................................................................................343
System Health Monitoring........................................................................................................................................343
Failure and Event Logging........................................................................................................................................ 343
Hot-Lock Behavior......................................................................................................................................................... 344
21 Internet Group Management Protocol (IGMP)...........................................................345
IGMP Implementation Information..................................................................................................................................345
IGMP Protocol Overview............................................................................................................................................... 345
IGMP Version 2........................................................................................................................................................345
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