Users Guide

Troubleshooting FRRP.................................................................................................................................................. 328
Conguration Checks..............................................................................................................................................328
Sample Conguration and Topology............................................................................................................................328
FRRP Support on VLT...................................................................................................................................................329
Example Scenario.................................................................................................................................................... 330
Important Points to Remember.............................................................................................................................. 331
17 GARP VLAN Registration Protocol (GVRP).............................................................................................. 332
Important Points to Remember....................................................................................................................................332
Congure GVRP............................................................................................................................................................ 333
Related Conguration Tasks................................................................................................................................... 333
Enabling GVRP Globally................................................................................................................................................ 334
Enabling GVRP on a Layer 2 Interface........................................................................................................................334
Congure GVRP Registration.......................................................................................................................................334
Congure a GARP Timer.............................................................................................................................................. 335
18 Internet Group Management Protocol (IGMP)......................................................................................... 336
IGMP Implementation Information.............................................................................................................................. 336
IGMP Protocol Overview..............................................................................................................................................336
IGMP Version 2........................................................................................................................................................ 336
IGMP Version 3........................................................................................................................................................ 338
Congure IGMP..............................................................................................................................................................341
Related Conguration Tasks....................................................................................................................................341
Viewing IGMP Enabled Interfaces............................................................................................................................... 342
Selecting an IGMP Version........................................................................................................................................... 342
Viewing IGMP Groups...................................................................................................................................................342
Adjusting Timers............................................................................................................................................................ 343
Adjusting Query and Response Timers................................................................................................................. 343
Enabling IGMP Immediate-Leave.................................................................................................................................344
IGMP Snooping..............................................................................................................................................................344
IGMP Snooping Implementation Information....................................................................................................... 344
Conguring IGMP Snooping...................................................................................................................................344
Removing a Group-Port Association.....................................................................................................................345
Disabling Multicast Flooding...................................................................................................................................345
Specifying a Port as Connected to a Multicast Router...................................................................................... 345
Conguring the Switch as Querier........................................................................................................................ 346
Fast Convergence after MSTP Topology Changes...................................................................................................346
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................347
Protocol Separation................................................................................................................................................. 347
Enabling and Disabling Management Egress Interface Selection...................................................................... 348
Handling of Management Route Conguration................................................................................................... 349
Handling of Switch-Initiated Trac....................................................................................................................... 349
Handling of Switch-Destined Trac..................................................................................................................... 350
Handling of Transit Trac (Trac Separation)..................................................................................................... 351
Mapping of Management Applications and Trac Type......................................................................................351
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 352
12
Contents