Concept Guide

FRRP Support on VLT...................................................................................................................................................375
Example Scenario.....................................................................................................................................................376
Important Points to Remember..............................................................................................................................377
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 378
Important Points to Remember....................................................................................................................................378
Congure GVRP.............................................................................................................................................................379
Related Conguration Tasks................................................................................................................................... 379
Enabling GVRP Globally................................................................................................................................................ 380
Enabling GVRP on a Layer 2 Interface........................................................................................................................380
Congure GVRP Registration...................................................................................................................................... 380
Congure a GARP Timer............................................................................................................................................... 381
19 Internet Group Management Protocol (IGMP)......................................................................................... 382
IGMP Implementation Information...............................................................................................................................382
IGMP Protocol Overview..............................................................................................................................................382
IGMP Version 2........................................................................................................................................................ 382
IGMP Version 3........................................................................................................................................................ 384
Congure IGMP............................................................................................................................................................. 387
Related Conguration Tasks................................................................................................................................... 387
Viewing IGMP Enabled Interfaces............................................................................................................................... 388
Selecting an IGMP Version...........................................................................................................................................388
Viewing IGMP Groups...................................................................................................................................................389
Adjusting Timers............................................................................................................................................................ 389
Adjusting Query and Response Timers................................................................................................................. 389
Enabling IGMP Immediate-Leave................................................................................................................................ 390
IGMP Snooping...............................................................................................................................................................391
IGMP Snooping Implementation Information........................................................................................................391
Conguring IGMP Snooping................................................................................................................................... 391
Removing a Group-Port Association.....................................................................................................................392
Disabling Multicast Flooding...................................................................................................................................392
Specifying a Port as Connected to a Multicast Router...................................................................................... 392
Conguring the Switch as Querier........................................................................................................................ 393
Fast Convergence after MSTP Topology Changes...................................................................................................393
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................393
Protocol Separation.................................................................................................................................................394
Enabling and Disabling Management Egress Interface Selection......................................................................395
Handling of Management Route Conguration................................................................................................... 396
Handling of Switch-Initiated Trac.......................................................................................................................396
Handling of Switch-Destined Trac......................................................................................................................397
Handling of Transit Trac (Trac Separation).................................................................................................... 398
Mapping of Management Applications and Trac Type.....................................................................................398
Behavior of Various Applications for Switch-Initiated Trac ............................................................................399
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 400
Interworking of EIS With Various Applications.....................................................................................................400
Designating a Multicast Router Interface....................................................................................................................401
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