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Viewing the FRRP Conguration............................................................................................................................331
Viewing the FRRP Information............................................................................................................................... 331
Troubleshooting FRRP.................................................................................................................................................. 332
Conguration Checks..............................................................................................................................................332
Sample Conguration and Topology............................................................................................................................332
FRRP Support on VLT...................................................................................................................................................333
Example Scenario.................................................................................................................................................... 334
Important Points to Remember............................................................................................................................. 335
17 GARP VLAN Registration Protocol (GVRP)..............................................................................................336
Important Points to Remember................................................................................................................................... 336
Congure GVRP.............................................................................................................................................................337
Related Conguration Tasks................................................................................................................................... 337
Enabling GVRP Globally................................................................................................................................................ 338
Enabling GVRP on a Layer 2 Interface........................................................................................................................338
Congure GVRP Registration...................................................................................................................................... 338
Congure a GARP Timer.............................................................................................................................................. 339
18 Internet Group Management Protocol (IGMP)......................................................................................... 340
IGMP Implementation Information.............................................................................................................................. 340
IGMP Protocol Overview..............................................................................................................................................340
IGMP Version 2........................................................................................................................................................ 340
IGMP Version 3........................................................................................................................................................ 342
Congure IGMP............................................................................................................................................................. 345
Related Conguration Tasks...................................................................................................................................345
Viewing IGMP Enabled Interfaces............................................................................................................................... 346
Selecting an IGMP Version...........................................................................................................................................346
Viewing IGMP Groups...................................................................................................................................................346
Adjusting Timers.............................................................................................................................................................347
Adjusting Query and Response Timers................................................................................................................. 347
Enabling IGMP Immediate-Leave.................................................................................................................................348
IGMP Snooping..............................................................................................................................................................348
IGMP Snooping Implementation Information....................................................................................................... 348
Conguring IGMP Snooping...................................................................................................................................348
Removing a Group-Port Association.....................................................................................................................349
Disabling Multicast Flooding...................................................................................................................................349
Specifying a Port as Connected to a Multicast Router...................................................................................... 349
Conguring the Switch as Querier........................................................................................................................ 350
Fast Convergence after MSTP Topology Changes...................................................................................................350
Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................351
Protocol Separation..................................................................................................................................................351
Enabling and Disabling Management Egress Interface Selection...................................................................... 352
Handling of Management Route Conguration................................................................................................... 353
Handling of Switch-Initiated Trac....................................................................................................................... 353
Handling of Switch-Destined Trac......................................................................................................................354
Handling of Transit Trac (Trac Separation).................................................................................................... 355
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Contents