Concept Guide

Conguration Task List for Physical Interfaces....................................................................................................402
Overview of Layer Modes...................................................................................................................................... 402
Conguring Layer 2 (Data Link) Mode..................................................................................................................402
Conguring Layer 2 (Interface) Mode.................................................................................................................. 403
Conguring Layer 3 (Network) Mode...................................................................................................................403
Conguring Layer 3 (Interface) Mode.................................................................................................................. 404
Egress Interface Selection (EIS)..................................................................................................................................404
Important Points to Remember............................................................................................................................. 404
Conguring EIS........................................................................................................................................................405
Management Interfaces................................................................................................................................................405
Conguring Management Interfaces.................................................................................................................... 405
Conguring a Management Interface on an Ethernet Port................................................................................407
VLAN Interfaces.............................................................................................................................................................407
Loopback Interfaces......................................................................................................................................................408
Null Interfaces................................................................................................................................................................ 409
Port Channel Interfaces................................................................................................................................................409
Port Channel Denition and Standards.................................................................................................................409
Port Channel Benets.............................................................................................................................................409
Port Channel Implementation................................................................................................................................ 409
Interfaces in Port Channels.....................................................................................................................................410
Conguration Tasks for Port Channel Interfaces................................................................................................. 410
Creating a Port Channel...........................................................................................................................................411
Adding a Physical Interface to a Port Channel...................................................................................................... 411
Reassigning an Interface to a New Port Channel.................................................................................................413
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 413
Adding or Removing a Port Channel from a VLAN.............................................................................................. 414
Assigning an IP Address to a Port Channel...........................................................................................................415
Deleting or Disabling a Port Channel......................................................................................................................415
Load Balancing Through Port Channels................................................................................................................ 415
Changing the Hash Algorithm.................................................................................................................................416
Bulk Conguration.......................................................................................................................................................... 417
Interface Range.........................................................................................................................................................417
Bulk Conguration Examples...................................................................................................................................417
Dening Interface Range Macros.................................................................................................................................419
Dene the Interface Range..................................................................................................................................... 419
Choosing an Interface-Range Macro.....................................................................................................................419
Monitoring and Maintaining Interfaces........................................................................................................................ 419
Maintenance Using TDR......................................................................................................................................... 420
Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................421
Link Dampening.............................................................................................................................................................. 421
Important Points to Remember..............................................................................................................................422
Conguration Example of Link Dampening...........................................................................................................422
Enabling Link Dampening........................................................................................................................................424
Link Bundle Monitoring................................................................................................................................................. 425
Using Ethernet Pause Frames for Flow Control........................................................................................................ 426
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Contents