Service Manual
Synchronization between Management and Standby Units......................................................................................277
Forcing an Stack Unit Failover.................................................................................................................................. 277
Specifying an Auto-Failover Limit............................................................................................................................. 277
Disabling Auto-Reboot..............................................................................................................................................278
Manually Synchronizing Management and Standby Units.........................................................................................278
Pre-Conguring a Stack Unit Slot...................................................................................................................................278
Removing a Provisioned Logical Stack Unit.................................................................................................................... 278
Hitless Behavior..............................................................................................................................................................278
Graceful Restart.............................................................................................................................................................279
Software Resiliency........................................................................................................................................................279
Software Component Health Monitoring..................................................................................................................279
System Health Monitoring........................................................................................................................................279
Failure and Event Logging........................................................................................................................................ 280
Hot-Lock Behavior.........................................................................................................................................................280
19 Internet Group Management Protocol (IGMP)........................................................... 281
IGMP Implementation Information.................................................................................................................................. 281
IGMP Protocol Overview................................................................................................................................................ 281
IGMP Version 2.........................................................................................................................................................281
IGMP Version 3........................................................................................................................................................ 282
Congure IGMP............................................................................................................................................................. 285
Related Conguration Tasks.....................................................................................................................................285
Viewing IGMP Enabled Interfaces.................................................................................................................................. 286
Selecting an IGMP Version.............................................................................................................................................286
Viewing IGMP Groups....................................................................................................................................................286
Adjusting Timers.............................................................................................................................................................287
Adjusting Query and Response Timers..................................................................................................................... 287
Preventing a Host from Joining a Group.........................................................................................................................288
Enabling IGMP Immediate-Leave................................................................................................................................... 290
IGMP Snooping...............................................................................................................................................................291
IGMP Snooping Implementation Information.............................................................................................................291
Conguring IGMP Snooping..................................................................................................................................... 291
Removing a Group-Port Association........................................................................................................................ 292
Disabling Multicast Flooding.....................................................................................................................................292
Specifying a Port as Connected to a Multicast Router.............................................................................................292
Conguring the Switch as Querier........................................................................................................................... 292
Fast Convergence after MSTP Topology Changes.........................................................................................................293
Egress Interface Selection (EIS) for HTTP and IGMP Applications................................................................................ 293
Protocol Separation..................................................................................................................................................294
Enabling and Disabling Management Egress Interface Selection.............................................................................. 295
Handling of Management Route Conguration........................................................................................................ 295
Handling of Switch-Initiated Trac.......................................................................................................................... 296
Handling of Switch-Destined Trac.........................................................................................................................296
Handling of Transit Trac (Trac Separation)..........................................................................................................297
Mapping of Management Applications and Trac Type............................................................................................297
Behavior of Various Applications for Switch-Initiated Trac ....................................................................................298
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