Concept Guide

Table Of Contents
Sample Configuration and Topology.......................................................................................................................... 382
FRRP Support on VLT................................................................................................................................................... 383
Chapter 19: GARP VLAN Registration Protocol (GVRP)............................................................. 386
Configure GVRP.............................................................................................................................................................. 387
Enabling GVRP Globally.................................................................................................................................................387
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 388
Configure GVRP Registration...................................................................................................................................... 388
Configure a GARP Timer...............................................................................................................................................389
Chapter 20: High Availability (HA).............................................................................................390
High Availability on Chassis.......................................................................................................................................... 390
High Availability in a PE Stack..................................................................................................................................... 390
Online Insertion and Removal...................................................................................................................................... 390
Hitless Behavior...............................................................................................................................................................392
Graceful Restart..............................................................................................................................................................393
Software Resiliency........................................................................................................................................................393
System Health Monitoring...................................................................................................................................... 393
Failure and Event Logging.......................................................................................................................................393
Trace Log.................................................................................................................................................................... 393
Core Dumps................................................................................................................................................................393
System Log.................................................................................................................................................................394
Control Plane Redundancy........................................................................................................................................... 394
Control-Plane Failover............................................................................................................................................. 394
RPM Synchronization.............................................................................................................................................. 395
Forcing an RPM Failover.........................................................................................................................................395
Specifying an Auto-Failover Limit......................................................................................................................... 395
Disabling Auto-Reboot............................................................................................................................................. 396
Chapter 21: Internet Group Management Protocol (IGMP).........................................................397
IGMP Protocol Overview.............................................................................................................................................. 397
IGMP Version 2..........................................................................................................................................................397
IGMP Version 3..........................................................................................................................................................399
Configure IGMP............................................................................................................................................................... 401
Viewing IGMP Enabled Interfaces.............................................................................................................................. 402
Selecting an IGMP Version........................................................................................................................................... 402
Viewing IGMP Groups....................................................................................................................................................403
Enabling IGMP Immediate-Leave................................................................................................................................ 403
IGMP Snooping................................................................................................................................................................403
Configuring IGMP Snooping................................................................................................................................... 404
Removing a Group-Port Association.................................................................................................................... 404
Disabling Multicast Flooding................................................................................................................................... 404
Specifying a Port as Connected to a Multicast Router...................................................................................405
Configuring the Switch as Querier....................................................................................................................... 405
Fast Convergence after MSTP Topology Changes................................................................................................406
Designating a Multicast Router Interface................................................................................................................. 406
Chapter 22: Interfaces...............................................................................................................407
Port Numbering...............................................................................................................................................................408
12
Contents