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Important FRRP Points........................................................................................................................................... 397
Implementing FRRP.................................................................................................................................................397
Important FRRP Concepts..................................................................................................................................... 398
FRRP Conguration...................................................................................................................................................... 399
Creating the FRRP Group...................................................................................................................................... 399
Conguring the Control VLAN...............................................................................................................................399
Conguring and Adding the Member VLANs...................................................................................................... 400
Setting the FRRP Timers........................................................................................................................................ 401
Clearing the FRRP Counters..................................................................................................................................402
Viewing the FRRP Conguration...........................................................................................................................402
Viewing the FRRP Information...............................................................................................................................402
Troubleshooting FRRP.................................................................................................................................................. 402
Conguration Checks..............................................................................................................................................402
Sample Conguration and Topology............................................................................................................................403
FRRP Support on VLT...................................................................................................................................................404
Example Scenario.................................................................................................................................................... 405
Important Points to Remember............................................................................................................................. 406
19 GARP VLAN Registration Protocol (GVRP).............................................................................................. 407
Important Points to Remember....................................................................................................................................407
Congure GVRP............................................................................................................................................................ 408
Related Conguration Tasks...................................................................................................................................408
Enabling GVRP Globally................................................................................................................................................409
Enabling GVRP on a Layer 2 Interface........................................................................................................................409
Congure GVRP Registration...................................................................................................................................... 409
Congure a GARP Timer............................................................................................................................................... 410
20 High Availability (HA)................................................................................................................................ 411
High Availability on Chassis............................................................................................................................................ 411
High Availability in a PE Stack........................................................................................................................................411
Online Insertion and Removal........................................................................................................................................412
RPM Online Insertion............................................................................................................................................... 412
Line Card Online Insertion........................................................................................................................................412
Pre-conguring a Slot for a Line-Card Type..........................................................................................................412
Replacing a Line Card...............................................................................................................................................413
Hitless Behavior.............................................................................................................................................................. 413
Graceful Restart............................................................................................................................................................. 414
Software Resiliency........................................................................................................................................................414
System Health Monitoring.......................................................................................................................................414
Failure and Event Logging....................................................................................................................................... 414
Trace Log................................................................................................................................................................... 414
Core Dumps.............................................................................................................................................................. 415
System Log............................................................................................................................................................... 415
Control Plane Redundancy............................................................................................................................................415
Control-Plane Failover............................................................................................................................................. 415
RPM Synchronization.............................................................................................................................................. 416
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