Concept Guide

Graceful Restart............................................................................................................................................................ 400
Software Resiliency.......................................................................................................................................................400
Software Component Health Monitoring............................................................................................................. 400
System Health Monitoring......................................................................................................................................400
Failure and Event Logging...................................................................................................................................... 400
Hot-Lock Behavior......................................................................................................................................................... 401
21 Internet Group Management Protocol (IGMP)......................................................................................... 402
IGMP Implementation Information.............................................................................................................................. 402
IGMP Protocol Overview..............................................................................................................................................402
IGMP Version 2........................................................................................................................................................ 402
IGMP Version 3........................................................................................................................................................404
Congure IGMP............................................................................................................................................................. 407
Related Conguration Tasks................................................................................................................................... 407
Viewing IGMP Enabled Interfaces...............................................................................................................................408
Selecting an IGMP Version...........................................................................................................................................408
Viewing IGMP Groups...................................................................................................................................................409
Adjusting Timers............................................................................................................................................................ 409
Adjusting Query and Response Timers................................................................................................................. 409
Preventing a Host from Joining a Group..................................................................................................................... 410
Enabling IGMP Immediate-Leave................................................................................................................................. 413
IGMP Snooping...............................................................................................................................................................413
IGMP Snooping Implementation Information........................................................................................................413
Conguring IGMP Snooping................................................................................................................................... 413
Removing a Group-Port Association......................................................................................................................414
Disabling Multicast Flooding....................................................................................................................................414
Specifying a Port as Connected to a Multicast Router....................................................................................... 415
Conguring the Switch as Querier.........................................................................................................................415
Fast Convergence after MSTP Topology Changes....................................................................................................416
Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................416
Protocol Separation..................................................................................................................................................416
Enabling and Disabling Management Egress Interface Selection....................................................................... 417
Handling of Management Route Conguration....................................................................................................418
Handling of Switch-Initiated Trac........................................................................................................................419
Handling of Switch-Destined Trac...................................................................................................................... 419
Handling of Transit Trac (Trac Separation).................................................................................................... 420
Mapping of Management Applications and Trac Type.....................................................................................420
Behavior of Various Applications for Switch-Initiated Trac .............................................................................421
Behavior of Various Applications for Switch-Destined Trac ...........................................................................422
Interworking of EIS With Various Applications.....................................................................................................423
Designating a Multicast Router Interface................................................................................................................... 423
22 Interfaces................................................................................................................................................ 425
Basic Interface Conguration.......................................................................................................................................425
Advanced Interface Conguration...............................................................................................................................425
Interface Types...............................................................................................................................................................426
Contents
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