Concept Guide

Conguring Layer 2 (Data Link) Mode.................................................................................................................. 410
Conguring Layer 2 (Interface) Mode................................................................................................................... 410
Conguring Layer 3 (Network) Mode.................................................................................................................... 411
Conguring Layer 3 (Interface) Mode.................................................................................................................... 411
Automatic recovery of an Err-disabled interface........................................................................................................412
Conguring an automatic recovery for an Err-disabled interface.......................................................................413
Egress Interface Selection (EIS)...................................................................................................................................413
Important Points to Remember.............................................................................................................................. 413
Conguring EIS.........................................................................................................................................................414
Management Interfaces.................................................................................................................................................414
Conguring Management Interfaces..................................................................................................................... 414
Conguring a Management Interface on an Ethernet Port................................................................................ 416
VLAN Interfaces............................................................................................................................................................. 416
Loopback Interfaces.......................................................................................................................................................417
Null Interfaces.................................................................................................................................................................418
Port Channel Interfaces.................................................................................................................................................418
Port Channel Denition and Standards..................................................................................................................418
Port Channel Benets..............................................................................................................................................418
Port Channel Implementation................................................................................................................................. 418
Interfaces in Port Channels.....................................................................................................................................419
Conguration Tasks for Port Channel Interfaces..................................................................................................419
Creating a Port Channel..........................................................................................................................................420
Adding a Physical Interface to a Port Channel.....................................................................................................420
Reassigning an Interface to a New Port Channel................................................................................................422
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 422
Adding or Removing a Port Channel from a VLAN............................................................................................. 423
Assigning an IP Address to a Port Channel.......................................................................................................... 424
Deleting or Disabling a Port Channel..................................................................................................................... 424
Load Balancing Through Port Channels................................................................................................................424
Changing the Hash Algorithm................................................................................................................................425
Bulk Conguration......................................................................................................................................................... 425
Interface Range........................................................................................................................................................425
Bulk Conguration Examples..................................................................................................................................426
Dening Interface Range Macros................................................................................................................................ 427
Dene the Interface Range.....................................................................................................................................427
Choosing an Interface-Range Macro.................................................................................................................... 428
Monitoring and Maintaining Interfaces........................................................................................................................428
Maintenance Using TDR......................................................................................................................................... 429
Non Dell-Qualied Transceivers................................................................................................................................... 429
Splitting 40G Ports without Reload.............................................................................................................................430
Splitting QSFP Ports to SFP+ Ports............................................................................................................................ 431
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................432
Important Points to Remember..............................................................................................................................433
Example Scenarios...................................................................................................................................................433
Link Dampening..............................................................................................................................................................434
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