Users Guide

19 Interfaces................................................................................................................................................. 333
Basic Interface Conguration.......................................................................................................................................333
Advanced Interface Conguration...............................................................................................................................333
Interface Types...............................................................................................................................................................334
Optional Modules...........................................................................................................................................................334
View Basic Interface Information.................................................................................................................................335
Resetting an Interface to its Factory Default State...................................................................................................336
Enabling Energy Ecient Ethernet..............................................................................................................................337
View EEE Information....................................................................................................................................................337
Clear EEE Counters........................................................................................................................................................341
Enabling a Physical Interface........................................................................................................................................342
Physical Interfaces.........................................................................................................................................................342
Conguration Task List for Physical Interfaces.................................................................................................... 343
Overview of Layer Modes.......................................................................................................................................343
Conguring Layer 2 (Data Link) Mode..................................................................................................................343
Conguring Layer 2 (Interface) Mode...................................................................................................................344
Conguring Layer 3 (Network) Mode...................................................................................................................344
Conguring Layer 3 (Interface) Mode.................................................................................................................. 345
Automatic recovery of an Err-disabled interface.......................................................................................................345
Conguring an automatic recovery for an Err-disabled interface......................................................................346
Egress Interface Selection (EIS)..................................................................................................................................346
Important Points to Remember..............................................................................................................................347
Conguring EIS........................................................................................................................................................ 347
Management Interfaces................................................................................................................................................347
Conguring Management Interfaces.....................................................................................................................347
Conguring a Management Interface on an Ethernet Port................................................................................349
VLAN Interfaces............................................................................................................................................................ 349
Loopback Interfaces......................................................................................................................................................350
Null Interfaces................................................................................................................................................................ 350
Port Channel Interfaces.................................................................................................................................................351
Port Channel Denition and Standards..................................................................................................................351
Port Channel Benets..............................................................................................................................................351
Port Channel Implementation................................................................................................................................. 351
Interfaces in Port Channels.................................................................................................................................... 352
Conguration Tasks for Port Channel Interfaces.................................................................................................352
Creating a Port Channel..........................................................................................................................................352
Adding a Physical Interface to a Port Channel.....................................................................................................353
Reassigning an Interface to a New Port Channel................................................................................................354
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 355
Adding or Removing a Port Channel from a VLAN............................................................................................. 355
Assigning an IP Address to a Port Channel.......................................................................................................... 357
Deleting or Disabling a Port Channel..................................................................................................................... 357
Load Balancing Through Port Channels................................................................................................................357
Load-Balancing Method..........................................................................................................................................357
Changing the Hash Algorithm................................................................................................................................358
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