Users Guide

Automatic and Manual Stack Unit Failover...............................................................................................................360
Synchronization between Management and Standby Units..................................................................................... 360
Forcing an Stack Unit Failover.................................................................................................................................. 361
Specifying an Auto-Failover Limit..............................................................................................................................361
Disabling Auto-Reboot.............................................................................................................................................. 361
Manually Synchronizing Management and Standby Units.........................................................................................361
24 Internet Group Management Protocol (IGMP).......................................................... 362
IGMP Implementation Information..................................................................................................................................362
IGMP Protocol Overview............................................................................................................................................... 362
IGMP Version 2........................................................................................................................................................ 362
Join a Multicast Group............................................................................................................................................. 363
Leaving a Multicast Group........................................................................................................................................363
IGMP Version 3........................................................................................................................................................ 363
Congure IGMP............................................................................................................................................................. 366
Related Conguration Tasks.....................................................................................................................................366
Viewing IGMP Enabled Interfaces.................................................................................................................................. 367
Selecting an IGMP Version............................................................................................................................................. 367
Viewing IGMP Groups.................................................................................................................................................... 367
Adjusting Timers............................................................................................................................................................ 368
Adjusting Query and Response Timers..................................................................................................................... 368
Enabling IGMP Immediate-Leave................................................................................................................................... 369
IGMP Snooping..............................................................................................................................................................369
IGMP Snooping Implementation Information............................................................................................................369
Conguring IGMP Snooping.....................................................................................................................................369
Removing a Group-Port Association.........................................................................................................................370
Enabling IGMP Immediate-Leave..............................................................................................................................370
Disabling Multicast Flooding......................................................................................................................................371
Specifying a Port as Connected to a Multicast Router..............................................................................................371
Conguring the Switch as Querier............................................................................................................................ 371
Fast Convergence after MSTP Topology Changes......................................................................................................... 372
Egress Interface Selection (EIS) for HTTP and IGMP Applications.................................................................................372
Protocol Separation..................................................................................................................................................372
Enabling and Disabling Management Egress Interface Selection...............................................................................373
Handling of Management Route Conguration.........................................................................................................374
Handling of Switch-Initiated Trac...........................................................................................................................374
Handling of Switch-Destined Trac......................................................................................................................... 375
Handling of Transit Trac (Trac Separation)..........................................................................................................376
Mapping of Management Applications and Trac Type............................................................................................376
Behavior of Various Applications for Switch-Initiated Trac .................................................................................... 377
Behavior of Various Applications for Switch-Destined Trac ...................................................................................378
Interworking of EIS With Various Applications.......................................................................................................... 378
Designating a Multicast Router Interface........................................................................................................................379
25 Interfaces..................................................................................................................380
Basic Interface Conguration......................................................................................................................................... 380
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