Configuring the Control VLAN...................................................................................................373
Configuring and Adding the Member VLANs.............................................................................374
Setting the FRRP Timers..............................................................................................................375
Clearing the FRRP Counters.......................................................................................................375
Viewing the FRRP Configuration................................................................................................376
Viewing the FRRP Information....................................................................................................376
Troubleshooting FRRP......................................................................................................................376
Configuration Checks.................................................................................................................376
Sample Configuration and Topology...............................................................................................376
20 GARP VLAN Registration Protocol (GVRP)................................................379
Important Points to Remember.......................................................................................................379
Configure GVRP................................................................................................................................380
Related Configuration Tasks......................................................................................................380
Enabling GVRP Globally....................................................................................................................381
Enabling GVRP on a Layer 2 Interface..............................................................................................381
Configure GVRP Registration...........................................................................................................381
Configure a GARP Timer..................................................................................................................382
21 Internet Group Management Protocol (IGMP).........................................384
IGMP Implementation Information..................................................................................................384
IGMP Protocol Overview..................................................................................................................384
IGMP Version 2...........................................................................................................................384
IGMP Version 3............................................................................................................................386
Configure IGMP................................................................................................................................389
Related Configuration Tasks......................................................................................................389
Viewing IGMP Enabled Interfaces....................................................................................................390
Selecting an IGMP Version...............................................................................................................390
Viewing IGMP Groups.......................................................................................................................391
Adjusting Timers................................................................................................................................391
Adjusting Query and Response Timers......................................................................................391
Adjusting the IGMP Querier Timeout Value...............................................................................392
Configuring a Static IGMP Group.....................................................................................................392
Enabling IGMP Immediate-Leave.....................................................................................................393
IGMP Snooping.................................................................................................................................393
IGMP Snooping Implementation Information...........................................................................393
Configuring IGMP Snooping......................................................................................................393
Removing a Group-Port Association.........................................................................................394
Disabling Multicast Flooding......................................................................................................394
Specifying a Port as Connected to a Multicast Router..............................................................395
Configuring the Switch as Querier.............................................................................................395
Fast Convergence after MSTP Topology Changes.........................................................................396