Users Guide

Congure a GARP Timer.............................................................................................................................................. 323
18 Internet Group Management Protocol (IGMP)......................................................................................... 324
IGMP Implementation Information...............................................................................................................................324
IGMP Protocol Overview.............................................................................................................................................. 324
IGMP Version 2........................................................................................................................................................ 324
IGMP Version 3........................................................................................................................................................ 326
Congure IGMP............................................................................................................................................................. 328
Related Conguration Tasks...................................................................................................................................329
Viewing IGMP Enabled Interfaces............................................................................................................................... 329
Selecting an IGMP Version...........................................................................................................................................329
Viewing IGMP Groups...................................................................................................................................................330
Adjusting Timers............................................................................................................................................................ 330
Adjusting Query and Response Timers................................................................................................................. 330
Enabling IGMP Immediate-Leave................................................................................................................................. 331
IGMP Snooping...............................................................................................................................................................331
IGMP Snooping Implementation Information........................................................................................................ 331
Conguring IGMP Snooping................................................................................................................................... 331
Removing a Group-Port Association.....................................................................................................................332
Disabling Multicast Flooding...................................................................................................................................332
Specifying a Port as Connected to a Multicast Router...................................................................................... 333
Conguring the Switch as Querier........................................................................................................................ 333
Fast Convergence after MSTP Topology Changes...................................................................................................334
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................334
Protocol Separation................................................................................................................................................. 334
Enabling and Disabling Management Egress Interface Selection......................................................................335
Handling of Management Route Conguration................................................................................................... 336
Handling of Switch-Initiated Trac........................................................................................................................337
Handling of Switch-Destined Trac......................................................................................................................337
Handling of Transit Trac (Trac Separation).................................................................................................... 338
Mapping of Management Applications and Trac Type.....................................................................................338
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 339
Behavior of Various Applications for Switch-Destined Trac ...........................................................................340
Interworking of EIS With Various Applications......................................................................................................341
Designating a Multicast Router Interface....................................................................................................................341
19 Interfaces................................................................................................................................................. 342
Basic Interface Conguration.......................................................................................................................................342
Advanced Interface Conguration...............................................................................................................................342
Interface Types...............................................................................................................................................................343
View Basic Interface Information.................................................................................................................................343
Resetting an Interface to its Factory Default State...................................................................................................345
Enabling a Physical Interface........................................................................................................................................346
Physical Interfaces.........................................................................................................................................................346
Conguration Task List for Physical Interfaces....................................................................................................346
Overview of Layer Modes.......................................................................................................................................347
Conguring Layer 2 (Data Link) Mode..................................................................................................................347
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Contents