Concept Guide

Conguring IGMP Snooping...................................................................................................................................399
Removing a Group-Port Association.....................................................................................................................400
Disabling Multicast Flooding...................................................................................................................................400
Specifying a Port as Connected to a Multicast Router....................................................................................... 401
Conguring the Switch as Querier.........................................................................................................................401
Fast Convergence after MSTP Topology Changes...................................................................................................402
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................402
Protocol Separation.................................................................................................................................................402
Enabling and Disabling Management Egress Interface Selection...................................................................... 403
Handling of Management Route Conguration................................................................................................... 404
Handling of Switch-Initiated Trac.......................................................................................................................405
Handling of Switch-Destined Trac..................................................................................................................... 405
Handling of Transit Trac (Trac Separation).................................................................................................... 406
Mapping of Management Applications and Trac Type.....................................................................................406
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 407
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 408
Interworking of EIS With Various Applications.....................................................................................................409
Designating a Multicast Router Interface...................................................................................................................409
21 Interfaces.................................................................................................................................................. 411
Basic Interface Conguration........................................................................................................................................ 411
Advanced Interface Conguration................................................................................................................................ 411
Interface Types................................................................................................................................................................412
View Basic Interface Information..................................................................................................................................412
Resetting an Interface to its Factory Default State................................................................................................... 414
Enabling a Physical Interface........................................................................................................................................ 415
Physical Interfaces......................................................................................................................................................... 415
Conguration Task List for Physical Interfaces.....................................................................................................415
Overview of Layer Modes....................................................................................................................................... 416
Conguring Layer 2 (Data Link) Mode.................................................................................................................. 416
Conguring Layer 2 (Interface) Mode................................................................................................................... 416
Conguring Layer 3 (Network) Mode....................................................................................................................417
Conguring Layer 3 (Interface) Mode................................................................................................................... 417
Automatic recovery of an Err-disabled interface........................................................................................................418
Conguring an automatic recovery for an Err-disabled interface...................................................................... 419
Egress Interface Selection (EIS)...................................................................................................................................419
Important Points to Remember.............................................................................................................................. 419
Conguring EIS........................................................................................................................................................ 420
Management Interfaces................................................................................................................................................420
Conguring Management Interfaces.....................................................................................................................420
Conguring a Management Interface on an Ethernet Port................................................................................422
VLAN Interfaces.............................................................................................................................................................422
Loopback Interfaces...................................................................................................................................................... 423
Null Interfaces................................................................................................................................................................ 424
Port Channel Interfaces................................................................................................................................................ 424
Port Channel Denition and Standards.................................................................................................................424
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