Concept Guide
Important Points to Remember....................................................................................................................................382
Congure GVRP............................................................................................................................................................ 383
Related Conguration Tasks...................................................................................................................................383
Enabling GVRP Globally................................................................................................................................................ 384
Enabling GVRP on a Layer 2 Interface........................................................................................................................384
Congure GVRP Registration...................................................................................................................................... 384
Congure a GARP Timer.............................................................................................................................................. 385
RPM Redundancy..........................................................................................................................................................385
20 High Availability (HA)............................................................................................................................... 387
Component Redundancy.............................................................................................................................................. 387
Automatic and Manual Stack Unit Failover...........................................................................................................387
Synchronization between Management and Standby Units..............................................................................388
Forcing a Stack Unit Failover................................................................................................................................. 388
Specifying an Auto-Failover Limit..........................................................................................................................389
Disabling Auto-Reboot............................................................................................................................................ 389
Pre-Conguring a Stack Unit Slot............................................................................................................................... 389
Removing a Provisioned Logical Stack Unit............................................................................................................... 389
Hitless Behavior............................................................................................................................................................. 389
Graceful Restart............................................................................................................................................................ 390
Software Resiliency.......................................................................................................................................................390
Software Component Health Monitoring............................................................................................................. 390
System Health Monitoring......................................................................................................................................390
Failure and Event Logging....................................................................................................................................... 391
Hot-Lock Behavior......................................................................................................................................................... 391
21 Internet Group Management Protocol (IGMP)......................................................................................... 392
IGMP Implementation Information...............................................................................................................................392
IGMP Protocol Overview..............................................................................................................................................392
IGMP Version 2........................................................................................................................................................ 392
IGMP Version 3........................................................................................................................................................ 394
Congure IGMP............................................................................................................................................................. 397
Related Conguration Tasks................................................................................................................................... 397
Viewing IGMP Enabled Interfaces...............................................................................................................................398
Selecting an IGMP Version...........................................................................................................................................398
Viewing IGMP Groups...................................................................................................................................................399
Adjusting Timers............................................................................................................................................................ 399
Adjusting Query and Response Timers................................................................................................................. 399
Preventing a Host from Joining a Group.................................................................................................................... 400
Enabling IGMP Immediate-Leave.................................................................................................................................403
IGMP Snooping..............................................................................................................................................................403
IGMP Snooping Implementation Information....................................................................................................... 403
Conguring IGMP Snooping...................................................................................................................................403
Removing a Group-Port Association.....................................................................................................................404
Disabling Multicast Flooding...................................................................................................................................404
Specifying a Port as Connected to a Multicast Router...................................................................................... 405
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