Concept Guide

20 Internet Group Management Protocol (IGMP)......................................................................................... 372
IGMP Implementation Information...............................................................................................................................372
IGMP Protocol Overview.............................................................................................................................................. 372
IGMP Version 2........................................................................................................................................................ 372
IGMP Version 3.........................................................................................................................................................374
Congure IGMP..............................................................................................................................................................377
Related Conguration Tasks................................................................................................................................... 377
Viewing IGMP Enabled Interfaces............................................................................................................................... 378
Selecting an IGMP Version........................................................................................................................................... 378
Viewing IGMP Groups................................................................................................................................................... 379
Adjusting Timers.............................................................................................................................................................379
Adjusting Query and Response Timers................................................................................................................. 379
Enabling IGMP Immediate-Leave................................................................................................................................ 380
IGMP Snooping..............................................................................................................................................................380
IGMP Snooping Implementation Information.......................................................................................................380
Conguring IGMP Snooping................................................................................................................................... 381
Removing a Group-Port Association......................................................................................................................381
Disabling Multicast Flooding...................................................................................................................................382
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.................................................................................................................................................384
Enabling and Disabling Management Egress Interface Selection...................................................................... 385
Handling of Management Route Conguration................................................................................................... 385
Handling of Switch-Initiated Trac....................................................................................................................... 386
Handling of Switch-Destined Trac......................................................................................................................387
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....................................................................................................................391
21 Interfaces................................................................................................................................................. 392
Basic Interface Conguration.......................................................................................................................................392
Advanced Interface Conguration...............................................................................................................................392
Interface Types...............................................................................................................................................................393
View Basic Interface Information.................................................................................................................................393
Resetting an Interface to its Factory Default State...................................................................................................395
Enabling Energy Ecient Ethernet............................................................................................................................. 396
View EEE Information................................................................................................................................................... 396
Clear EEE Counters.......................................................................................................................................................400
Enabling a Physical Interface........................................................................................................................................ 401
Physical Interfaces......................................................................................................................................................... 401
Contents
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