Users Guide

Important Points to Remember..............................................................................................................................343
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................344
Important Points to Remember....................................................................................................................................344
Congure GVRP............................................................................................................................................................ 345
Related Conguration Tasks...................................................................................................................................345
Enabling GVRP Globally................................................................................................................................................ 346
Enabling GVRP on a Layer 2 Interface........................................................................................................................346
Congure GVRP Registration...................................................................................................................................... 346
Congure a GARP Timer...............................................................................................................................................347
RPM Redundancy..........................................................................................................................................................347
19 High Availability (HA)............................................................................................................................... 349
Component Redundancy.............................................................................................................................................. 349
Automatic and Manual Stack Unit Failover.......................................................................................................... 349
Synchronization between Management and Standby Units..............................................................................350
Forcing a Stack Unit Failover................................................................................................................................. 350
Specifying an Auto-Failover Limit...........................................................................................................................351
Disabling Auto-Reboot............................................................................................................................................. 351
Manually Synchronizing Management and Standby Units..................................................................................351
Pre-Conguring a Stack Unit Slot................................................................................................................................351
Removing a Provisioned Logical Stack Unit................................................................................................................ 351
Hitless Behavior............................................................................................................................................................. 352
Graceful Restart.............................................................................................................................................................352
Software Resiliency....................................................................................................................................................... 352
Software Component Health Monitoring............................................................................................................. 352
System Health Monitoring......................................................................................................................................352
Failure and Event Logging...................................................................................................................................... 353
Hot-Lock Behavior.........................................................................................................................................................353
20 Internet Group Management Protocol (IGMP).........................................................................................354
IGMP Implementation Information.............................................................................................................................. 354
IGMP Protocol Overview..............................................................................................................................................354
IGMP Version 2........................................................................................................................................................ 354
IGMP Version 3........................................................................................................................................................356
Congure IGMP............................................................................................................................................................. 359
Related Conguration Tasks...................................................................................................................................359
Viewing IGMP Enabled Interfaces...............................................................................................................................360
Selecting an IGMP Version...........................................................................................................................................360
Viewing IGMP Groups...................................................................................................................................................360
Adjusting Timers............................................................................................................................................................. 361
Adjusting Query and Response Timers..................................................................................................................361
Preventing a Host from Joining a Group.................................................................................................................... 362
Enabling IGMP Immediate-Leave................................................................................................................................ 365
IGMP Snooping..............................................................................................................................................................365
IGMP Snooping Implementation Information.......................................................................................................365
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