Administrator Guide

Hitless Behavior..............................................................................................................................................................367
Graceful Restart.............................................................................................................................................................367
Software Resiliency....................................................................................................................................................... 367
Software Component Health Monitoring..............................................................................................................367
System Health Monitoring...................................................................................................................................... 367
Failure and Event Logging...................................................................................................................................... 368
Hot-Lock Behavior.........................................................................................................................................................368
21 Internet Group Management Protocol (IGMP)......................................................................................... 369
IGMP Implementation Information.............................................................................................................................. 369
IGMP Protocol Overview..............................................................................................................................................369
IGMP Version 2........................................................................................................................................................369
IGMP Version 3......................................................................................................................................................... 371
Congure IGMP..............................................................................................................................................................374
Related Conguration Tasks................................................................................................................................... 374
Viewing IGMP Enabled Interfaces............................................................................................................................... 375
Selecting an IGMP Version........................................................................................................................................... 375
Viewing IGMP Groups................................................................................................................................................... 375
Adjusting Timers.............................................................................................................................................................376
Adjusting Query and Response Timers................................................................................................................. 376
Preventing a Host from Joining a Group.....................................................................................................................377
Enabling IGMP Immediate-Leave................................................................................................................................ 380
IGMP Snooping..............................................................................................................................................................380
IGMP Snooping Implementation Information.......................................................................................................380
Conguring IGMP Snooping...................................................................................................................................380
Removing a Group-Port Association......................................................................................................................381
Disabling Multicast Flooding....................................................................................................................................381
Specifying a Port as Connected to a Multicast Router...................................................................................... 382
Conguring the Switch as Querier........................................................................................................................ 382
Fast Convergence after MSTP Topology Changes...................................................................................................383
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................383
Protocol Separation.................................................................................................................................................383
Enabling and Disabling Management Egress Interface Selection...................................................................... 384
Handling of Management Route Conguration................................................................................................... 385
Handling of Switch-Initiated Trac....................................................................................................................... 386
Handling of Switch-Destined Trac......................................................................................................................386
Handling of Transit Trac (Trac Separation).....................................................................................................387
Mapping of Management Applications and Trac Type..................................................................................... 387
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 388
Behavior of Various Applications for Switch-Destined Trac ...........................................................................389
Interworking of EIS With Various Applications.....................................................................................................390
Designating a Multicast Router Interface...................................................................................................................390
22 Interfaces................................................................................................................................................ 392
Basic Interface Conguration.......................................................................................................................................392
Advanced Interface Conguration...............................................................................................................................392
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