Concept Guide

FRRP Support on VLT...................................................................................................................................................375
Example Scenario.....................................................................................................................................................376
Important Points to Remember..............................................................................................................................377
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 378
Important Points to Remember....................................................................................................................................378
Congure GVRP.............................................................................................................................................................379
Related Conguration Tasks................................................................................................................................... 379
Enabling GVRP Globally................................................................................................................................................ 380
Enabling GVRP on a Layer 2 Interface........................................................................................................................380
Congure GVRP Registration...................................................................................................................................... 380
Congure a GARP Timer............................................................................................................................................... 381
RPM Redundancy...........................................................................................................................................................381
19 High Availability (HA)............................................................................................................................... 383
Component Redundancy.............................................................................................................................................. 383
Automatic and Manual Stack Unit Failover.......................................................................................................... 383
Synchronization between Management and Standby Units..............................................................................384
Forcing a Stack Unit Failover................................................................................................................................. 384
Disabling Auto-Reboot............................................................................................................................................ 385
Pre-Conguring a Stack Unit Slot............................................................................................................................... 385
Removing a Provisioned Logical Stack Unit............................................................................................................... 385
Hitless Behavior............................................................................................................................................................. 385
Graceful Restart.............................................................................................................................................................386
Software Resiliency....................................................................................................................................................... 386
Software Component Health Monitoring............................................................................................................. 386
System Health Monitoring......................................................................................................................................386
Failure and Event Logging...................................................................................................................................... 386
Hot-Lock Behavior.........................................................................................................................................................387
20 Internet Group Management Protocol (IGMP).........................................................................................388
IGMP Implementation Information.............................................................................................................................. 388
IGMP Protocol Overview..............................................................................................................................................388
IGMP Version 2........................................................................................................................................................ 388
IGMP Version 3........................................................................................................................................................390
Congure IGMP............................................................................................................................................................. 393
Related Conguration Tasks...................................................................................................................................393
Viewing IGMP Enabled Interfaces............................................................................................................................... 394
Selecting an IGMP Version...........................................................................................................................................394
Viewing IGMP Groups...................................................................................................................................................395
Adjusting Timers............................................................................................................................................................ 395
Adjusting Query and Response Timers................................................................................................................. 395
Preventing a Host from Joining a Group.................................................................................................................... 396
Enabling IGMP Immediate-Leave................................................................................................................................ 399
IGMP Snooping..............................................................................................................................................................399
IGMP Snooping Implementation Information.......................................................................................................399
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