Users Guide

Configuration Checks..............................................................................................................................................325
Sample Configuration and Topology........................................................................................................................... 325
FRRP Support on VLT.................................................................................................................................................. 326
Example Scenario.....................................................................................................................................................327
Important Points to Remember............................................................................................................................. 328
17 GARP VLAN Registration Protocol (GVRP)............................................................................................. 329
Important Points to Remember...................................................................................................................................329
Configure GVRP............................................................................................................................................................ 330
Related Configuration Tasks..................................................................................................................................330
Enabling GVRP Globally.................................................................................................................................................331
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 331
Configure GVRP Registration.......................................................................................................................................331
Configure a GARP Timer.............................................................................................................................................. 332
18 Internet Group Management Protocol (IGMP).........................................................................................333
IGMP Implementation Information.............................................................................................................................. 333
IGMP Protocol Overview..............................................................................................................................................333
IGMP Version 2........................................................................................................................................................333
IGMP Version 3........................................................................................................................................................335
Configure IGMP.............................................................................................................................................................338
Related Configuration Tasks.................................................................................................................................. 338
Viewing IGMP Enabled Interfaces...............................................................................................................................339
Selecting an IGMP Version...........................................................................................................................................339
Viewing IGMP Groups...................................................................................................................................................339
Adjusting Timers............................................................................................................................................................ 340
Adjusting Query and Response Timers.................................................................................................................340
Enabling IGMP Immediate-Leave.................................................................................................................................341
IGMP Snooping...............................................................................................................................................................341
IGMP Snooping Implementation Information........................................................................................................341
Configuring IGMP Snooping................................................................................................................................... 341
Removing a Group-Port Association.....................................................................................................................342
Disabling Multicast Flooding...................................................................................................................................342
Specifying a Port as Connected to a Multicast Router......................................................................................342
Configuring the Switch as Querier........................................................................................................................ 343
Fast Convergence after MSTP Topology Changes..................................................................................................343
Egress Interface Selection (EIS) for HTTP and IGMP Applications....................................................................... 344
Protocol Separation.................................................................................................................................................344
Enabling and Disabling Management Egress Interface Selection......................................................................345
Handling of Management Route Configuration...................................................................................................346
Handling of Switch-Initiated Traffic......................................................................................................................346
Handling of Switch-Destined Traffic.....................................................................................................................347
Handling of Transit Traffic (Traffic Separation)..................................................................................................348
Mapping of Management Applications and Traffic Type................................................................................... 348
Behavior of Various Applications for Switch-Initiated Traffic ...........................................................................349
Behavior of Various Applications for Switch-Destined Traffic .........................................................................350
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Contents