Concept Guide

FRRP Support on VLT...................................................................................................................................................380
Example Scenario..................................................................................................................................................... 381
Important Points to Remember..............................................................................................................................382
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................383
Important Points to Remember................................................................................................................................... 383
Congure GVRP............................................................................................................................................................ 384
Related Conguration Tasks...................................................................................................................................384
Enabling GVRP Globally................................................................................................................................................ 385
Enabling GVRP on a Layer 2 Interface........................................................................................................................385
Congure GVRP Registration...................................................................................................................................... 385
Congure a GARP Timer.............................................................................................................................................. 386
RPM Redundancy..........................................................................................................................................................386
19 High Availability (HA)............................................................................................................................... 388
Component Redundancy.............................................................................................................................................. 388
Automatic and Manual Stack Unit Failover.......................................................................................................... 388
Synchronization between Management and Standby Units..............................................................................389
Forcing a Stack Unit Failover................................................................................................................................. 389
Specifying an Auto-Failover Limit..........................................................................................................................390
Disabling Auto-Reboot............................................................................................................................................ 390
Pre-Conguring a Stack Unit Slot............................................................................................................................... 390
Removing a Provisioned Logical Stack Unit............................................................................................................... 390
Hitless Behavior............................................................................................................................................................. 390
Graceful Restart............................................................................................................................................................. 391
Software Resiliency........................................................................................................................................................391
Software Component Health Monitoring..............................................................................................................391
System Health Monitoring.......................................................................................................................................391
Failure and Event Logging.......................................................................................................................................392
Hot-Lock Behavior.........................................................................................................................................................392
20 Internet Group Management Protocol (IGMP).........................................................................................393
IGMP Implementation Information...............................................................................................................................393
IGMP Protocol Overview..............................................................................................................................................393
IGMP Version 2........................................................................................................................................................ 393
IGMP Version 3........................................................................................................................................................395
Congure IGMP............................................................................................................................................................. 398
Related Conguration Tasks...................................................................................................................................398
Viewing IGMP Enabled Interfaces...............................................................................................................................399
Selecting an IGMP Version...........................................................................................................................................399
Viewing IGMP Groups...................................................................................................................................................400
Adjusting Timers............................................................................................................................................................ 400
Adjusting Query and Response Timers................................................................................................................. 400
Preventing a Host from Joining a Group..................................................................................................................... 401
Enabling IGMP Immediate-Leave................................................................................................................................ 404
IGMP Snooping..............................................................................................................................................................404
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