Concept Guide

Displaying FIP Snooping Information...........................................................................................................................345
FIP Snooping Example.................................................................................................................................................. 350
Debugging FIP Snooping.............................................................................................................................................. 350
23 Internet Group Management Protocol (IGMP).........................................................................................352
IGMP Overview..............................................................................................................................................................352
IGMP Version 2..............................................................................................................................................................352
Joining a Multicast Group.......................................................................................................................................353
Leaving a Multicast Group......................................................................................................................................353
IGMP Version 3..............................................................................................................................................................353
Joining and Filtering Groups and Sources............................................................................................................ 354
Leaving and Staying in Groups...............................................................................................................................355
IGMP Snooping..............................................................................................................................................................356
How IGMP Snooping is Implemented on an Aggregator.......................................................................................... 356
Disabling Multicast Flooding.........................................................................................................................................356
Displaying IGMP Information........................................................................................................................................356
24 Interfaces................................................................................................................................................ 359
Basic Interface Conguration.......................................................................................................................................359
Advanced Interface Conguration...............................................................................................................................359
Interface Types...............................................................................................................................................................360
View Basic Interface Information.................................................................................................................................360
Conguring the Default Interface................................................................................................................................ 362
Enabling a Physical Interface........................................................................................................................................363
Physical Interfaces.........................................................................................................................................................363
Conguration Task List for Physical Interfaces.................................................................................................... 363
Overview of Layer Modes...................................................................................................................................... 364
Conguring Layer 2 (Data Link) Mode..................................................................................................................364
Conguring Layer 2 (Interface) Mode.................................................................................................................. 364
Conguring Layer 3 (Network) Mode...................................................................................................................365
Conguring Layer 3 (Interface) Mode.................................................................................................................. 365
Automatic recovery of an Err-disabled interface.......................................................................................................366
Conguring an automatic recovery for an Err-disabled interface......................................................................367
Management Interfaces................................................................................................................................................367
Conguring Management Interfaces on the Switch........................................................................................... 368
VLAN Interfaces............................................................................................................................................................ 369
Loopback Interfaces...................................................................................................................................................... 370
Null Interfaces.................................................................................................................................................................370
VLAN Membership........................................................................................................................................................ 370
Default VLAN ........................................................................................................................................................... 371
Port-Based VLANs................................................................................................................................................... 371
VLANs and Port Tagging......................................................................................................................................... 371
Conguring VLAN Membership............................................................................................................................. 372
Displaying VLAN Membership................................................................................................................................ 372
Adding an Interface to a Tagged VLAN.................................................................................................................373
Adding an Interface to an Untagged VLAN.......................................................................................................... 373
Contents
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