Users Guide

19 GARP VLAN Registration Protocol (GVRP)................................................ 433

Important Points to Remember....................................................................................................... 433

Configure GVRP................................................................................................................................434

Related Configuration Tasks...................................................................................................... 434

Enabling GVRP Globally....................................................................................................................435

Enabling GVRP on a Layer 2 Interface............................................................................................. 435

Configure GVRP Registration........................................................................................................... 435

Configure a GARP Timer.................................................................................................................. 436

20 High Availability (HA).................................................................................... 438

High Availability on Chassis..............................................................................................................438

High Availability in a PE Stack...........................................................................................................438

Online Insertion and Removal..........................................................................................................438

RPM Online Insertion..................................................................................................................439

Line Card Online Insertion..........................................................................................................439

Pre-configuring a Slot for a Line-Card Type............................................................................. 439

Replacing a Line Card.................................................................................................................440

Hitless Behavior................................................................................................................................ 440

Graceful Restart.................................................................................................................................441

Software Resiliency...........................................................................................................................441

System Health Monitoring.......................................................................................................... 441

Failure and Event Logging.......................................................................................................... 442

Trace Log.................................................................................................................................... 442

Core Dumps................................................................................................................................442

System Log..................................................................................................................................442

Control Plane Redundancy.............................................................................................................. 442

Control-Plane Failover............................................................................................................... 443

RPM Synchronization................................................................................................................. 444

Forcing an RPM Failover.............................................................................................................444

Specifying an Auto-Failover Limit.............................................................................................. 444

Disabling Auto-Reboot...............................................................................................................444

21 Internet Group Management Protocol (IGMP).........................................446

IGMP Implementation Information..................................................................................................446

IGMP Protocol Overview..................................................................................................................446

IGMP Version 2........................................................................................................................... 446

IGMP Version 3........................................................................................................................... 448

Configure IGMP.................................................................................................................................451

Related Configuration Tasks.......................................................................................................451

Viewing IGMP Enabled Interfaces.................................................................................................... 452

Selecting an IGMP Version............................................................................................................... 452