White Papers

IGMP Snooping.............................................................................................................................................................. 373
IGMP Snooping Implementation Information....................................................................................................... 373
Conguring IGMP Snooping...................................................................................................................................373
Removing a Group-Port Association..................................................................................................................... 374
Disabling Multicast Flooding................................................................................................................................... 374
Specifying a Port as Connected to a Multicast Router.......................................................................................375
Conguring the Switch as Querier........................................................................................................................ 375
Fast Convergence after MSTP Topology Changes................................................................................................... 376
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 376
Protocol Separation................................................................................................................................................. 376
Enabling and Disabling Management Egress Interface Selection.......................................................................377
Handling of Management Route Conguration....................................................................................................378
Handling of Switch-Initiated Trac....................................................................................................................... 379
Handling of Switch-Destined Trac......................................................................................................................379
Handling of Transit Trac (Trac Separation).................................................................................................... 380
Mapping of Management Applications and Trac Type.....................................................................................380
Behavior of Various Applications for Switch-Initiated Trac .............................................................................381
Behavior of Various Applications for Switch-Destined Trac ...........................................................................382
Interworking of EIS With Various Applications.....................................................................................................383
Designating a Multicast Router Interface................................................................................................................... 383
21 Interfaces................................................................................................................................................. 385
Basic Interface Conguration.......................................................................................................................................385
Advanced Interface Conguration...............................................................................................................................385
Interface Types...............................................................................................................................................................386
View Basic Interface Information.................................................................................................................................386
Resetting an Interface to its Factory Default State...................................................................................................388
Enabling a Physical Interface........................................................................................................................................389
Physical Interfaces.........................................................................................................................................................389
Conguration Task List for Physical Interfaces....................................................................................................389
Overview of Layer Modes...................................................................................................................................... 390
Conguring Layer 2 (Data Link) Mode..................................................................................................................390
Conguring Layer 2 (Interface) Mode.................................................................................................................. 390
Conguring Layer 3 (Network) Mode................................................................................................................... 391
Conguring Layer 3 (Interface) Mode................................................................................................................... 391
Egress Interface Selection (EIS)..................................................................................................................................392
Important Points to Remember............................................................................................................................. 392
Conguring EIS........................................................................................................................................................ 392
Management Interfaces................................................................................................................................................393
Conguring Management Interfaces.....................................................................................................................393
Conguring a Management Interface on an Ethernet Port................................................................................394
VLAN Interfaces............................................................................................................................................................ 395
Loopback Interfaces......................................................................................................................................................396
Null Interfaces................................................................................................................................................................ 396
Port Channel Interfaces................................................................................................................................................396
Port Channel Denition and Standards................................................................................................................. 397
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