Concept Guide

Graceful Restart............................................................................................................................................................ 395
Software Resiliency.......................................................................................................................................................395
Software Component Health Monitoring............................................................................................................. 395
System Health Monitoring......................................................................................................................................395
Failure and Event Logging...................................................................................................................................... 395
Hot-Lock Behavior.........................................................................................................................................................396
21 Internet Group Management Protocol (IGMP)..........................................................................................397
IGMP Implementation Information...............................................................................................................................397
IGMP Protocol Overview.............................................................................................................................................. 397
IGMP Version 2........................................................................................................................................................ 397
IGMP Version 3........................................................................................................................................................399
Congure IGMP............................................................................................................................................................. 402
Related Conguration Tasks...................................................................................................................................402
Viewing IGMP Enabled Interfaces............................................................................................................................... 403
Selecting an IGMP Version...........................................................................................................................................403
Viewing IGMP Groups...................................................................................................................................................404
Adjusting Timers............................................................................................................................................................ 404
Adjusting Query and Response Timers................................................................................................................. 404
Preventing a Host from Joining a Group.................................................................................................................... 405
Enabling IGMP Immediate-Leave................................................................................................................................ 408
IGMP Snooping..............................................................................................................................................................408
IGMP Snooping Implementation Information.......................................................................................................408
Conguring IGMP Snooping...................................................................................................................................408
Removing a Group-Port Association.....................................................................................................................409
Disabling Multicast Flooding...................................................................................................................................409
Specifying a Port as Connected to a Multicast Router....................................................................................... 410
Conguring the Switch as Querier.........................................................................................................................410
Fast Convergence after MSTP Topology Changes.................................................................................................... 411
Egress Interface Selection (EIS) for HTTP and IGMP Applications......................................................................... 411
Protocol Separation...................................................................................................................................................411
Enabling and Disabling Management Egress Interface Selection.......................................................................412
Handling of Management Route Conguration....................................................................................................413
Handling of Switch-Initiated Trac........................................................................................................................414
Handling of Switch-Destined Trac...................................................................................................................... 414
Handling of Transit Trac (Trac Separation).....................................................................................................415
Mapping of Management Applications and Trac Type..................................................................................... 415
Behavior of Various Applications for Switch-Initiated Trac .............................................................................416
Behavior of Various Applications for Switch-Destined Trac ............................................................................417
Interworking of EIS With Various Applications......................................................................................................418
Designating a Multicast Router Interface....................................................................................................................418
22 Interfaces................................................................................................................................................ 420
Basic Interface Conguration.......................................................................................................................................420
Advanced Interface Conguration...............................................................................................................................420
Interface Types................................................................................................................................................................421
Contents
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