Users Guide

Configure a GARP Timer.......................................................................................................................................391
20 High Availability (HA)....................................................................................................................................... 392
High Availability on Chassis..................................................................................................................................392
High Availability in a PE Stack..............................................................................................................................392
Online Insertion and Removal.............................................................................................................................392
RPM Online Insertion.......................................................................................................................................393
Line Card Online Insertion............................................................................................................................. 393
Pre-configuring a Slot for a Line-Card Type..............................................................................................393
Replacing a Line Card..................................................................................................................................... 394
Hitless Behavior......................................................................................................................................................394
Graceful Restart......................................................................................................................................................395
Software Resiliency................................................................................................................................................395
System Health Monitoring..............................................................................................................................395
Failure and Event Logging.............................................................................................................................. 395
Trace Log........................................................................................................................................................... 395
Core Dumps...................................................................................................................................................... 395
System Log........................................................................................................................................................ 396
Control Plane Redundancy..................................................................................................................................396
Control-Plane Failover....................................................................................................................................396
RPM Synchronization...................................................................................................................................... 397
Forcing an RPM Failover................................................................................................................................. 397
Specifying an Auto-Failover Limit.................................................................................................................398
Disabling Auto-Reboot................................................................................................................................... 398
21 Internet Group Management Protocol (IGMP)............................................................................................399
IGMP Implementation Information....................................................................................................................399
IGMP Protocol Overview......................................................................................................................................399
IGMP Version 2................................................................................................................................................. 399
IGMP Version 3..................................................................................................................................................401
Configure IGMP......................................................................................................................................................403
Related Configuration Tasks..........................................................................................................................404
Viewing IGMP Enabled Interfaces...................................................................................................................... 404
Selecting an IGMP Version...................................................................................................................................404
Viewing IGMP Groups...........................................................................................................................................405
Enabling IGMP Immediate-Leave.......................................................................................................................405
IGMP Snooping...................................................................................................................................................... 405
IGMP Snooping Implementation Information........................................................................................... 406
Configuring IGMP Snooping......................................................................................................................... 406
Removing a Group-Port Association...........................................................................................................406
Disabling Multicast Flooding..........................................................................................................................407
Specifying a Port as Connected to a Multicast Router............................................................................ 407
Configuring the Switch as Querier...............................................................................................................407
Fast Convergence after MSTP Topology Changes.........................................................................................408
Designating a Multicast Router Interface......................................................................................................... 408
22 Interfaces........................................................................................................................................................... 409
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