Administrator Guide

Troubleshooting FRRP.................................................................................................................................................. 329
Conguration Checks..............................................................................................................................................329
Sample Conguration and Topology............................................................................................................................329
FRRP Support on VLT...................................................................................................................................................330
Example Scenario..................................................................................................................................................... 331
Important Points to Remember..............................................................................................................................332
17 GARP VLAN Registration Protocol (GVRP).............................................................................................. 333
Important Points to Remember....................................................................................................................................333
Congure GVRP............................................................................................................................................................ 334
Related Conguration Tasks................................................................................................................................... 334
Enabling GVRP Globally................................................................................................................................................ 335
Enabling GVRP on a Layer 2 Interface........................................................................................................................335
Congure GVRP Registration...................................................................................................................................... 335
Congure a GARP Timer.............................................................................................................................................. 336
18 Internet Group Management Protocol (IGMP)..........................................................................................337
IGMP Implementation Information...............................................................................................................................337
IGMP Protocol Overview.............................................................................................................................................. 337
IGMP Version 2........................................................................................................................................................ 337
IGMP Version 3........................................................................................................................................................ 339
Congure IGMP............................................................................................................................................................. 342
Related Conguration Tasks................................................................................................................................... 342
Viewing IGMP Enabled Interfaces............................................................................................................................... 343
Selecting an IGMP Version........................................................................................................................................... 343
Viewing IGMP Groups...................................................................................................................................................343
Adjusting Timers............................................................................................................................................................ 344
Adjusting Query and Response Timers................................................................................................................. 344
Enabling IGMP Immediate-Leave.................................................................................................................................345
IGMP Snooping..............................................................................................................................................................345
IGMP Snooping Implementation Information....................................................................................................... 345
Conguring IGMP Snooping...................................................................................................................................345
Removing a Group-Port Association.....................................................................................................................346
Disabling Multicast Flooding...................................................................................................................................346
Specifying a Port as Connected to a Multicast Router...................................................................................... 346
Conguring the Switch as Querier.........................................................................................................................347
Fast Convergence after MSTP Topology Changes................................................................................................... 347
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................348
Protocol Separation.................................................................................................................................................348
Enabling and Disabling Management Egress Interface Selection...................................................................... 349
Handling of Management Route Conguration...................................................................................................350
Handling of Switch-Initiated Trac.......................................................................................................................350
Handling of Switch-Destined Trac...................................................................................................................... 351
Handling of Transit Trac (Trac Separation).................................................................................................... 352
Mapping of Management Applications and Trac Type.....................................................................................352
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 353
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Contents