Users Guide

Multiple FRRP Rings................................................................................................................................................270
Important FRRP Points............................................................................................................................................271
Important FRRP Concepts..................................................................................................................................... 272
Implementing FRRP.......................................................................................................................................................273
FRRP Configuration.......................................................................................................................................................273
Creating the FRRP Group.......................................................................................................................................273
Configuring the Control VLAN...............................................................................................................................274
Configuring and Adding the Member VLANs.......................................................................................................275
Setting the FRRP Timers........................................................................................................................................276
Clearing the FRRP Counters..................................................................................................................................276
Viewing the FRRP Configuration...........................................................................................................................276
Viewing the FRRP Information.............................................................................................................................. 276
Troubleshooting FRRP.................................................................................................................................................. 277
Configuration Checks..............................................................................................................................................277
Sample Configuration and Topology............................................................................................................................277
FRRP Support on VLT.................................................................................................................................................. 278
Example Scenario.....................................................................................................................................................279
Important Points to Remember.............................................................................................................................280
16 GARP VLAN Registration Protocol (GVRP)..............................................................................................281
Important Points to Remember....................................................................................................................................281
Configure GVRP............................................................................................................................................................ 282
Related Configuration Tasks.................................................................................................................................. 282
Enabling GVRP Globally................................................................................................................................................ 283
Enabling GVRP on a Layer 2 Interface....................................................................................................................... 283
Configure GVRP Registration...................................................................................................................................... 283
Configure a GARP Timer.............................................................................................................................................. 284
RPM Redundancy..........................................................................................................................................................284
17 High Availability (HA)............................................................................................................................... 286
Component Redundancy..............................................................................................................................................286
Automatic and Manual Stack Unit Failover..........................................................................................................286
Synchronization between Management and Standby Units..............................................................................287
Forcing a Stack Unit Failover................................................................................................................................. 287
Specifying an Auto-Failover Limit..........................................................................................................................288
Disabling Auto-Reboot............................................................................................................................................288
Manually Synchronizing Management and Standby Units.................................................................................288
Pre-Configuring a Stack Unit Slot...............................................................................................................................288
Removing a Provisioned Logical Stack Unit...............................................................................................................289
Hitless Behavior............................................................................................................................................................. 289
Graceful Restart............................................................................................................................................................ 289
Software Resiliency.......................................................................................................................................................290
Software Component Health Monitoring.............................................................................................................290
System Health Monitoring......................................................................................................................................290
Failure and Event Logging......................................................................................................................................290
Hot-Lock Behavior.........................................................................................................................................................291
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