Concept Guide

Overview of Layer Modes...................................................................................................................................... 399
Conguring Layer 2 (Data Link) Mode................................................................................................................. 400
Conguring Layer 2 (Interface) Mode.................................................................................................................. 400
Conguring Layer 3 (Network) Mode...................................................................................................................400
Conguring Layer 3 (Interface) Mode................................................................................................................... 401
Automatic recovery of an Err-disabled interface....................................................................................................... 402
Conguring an automatic recovery for an Err-disabled interface......................................................................402
Egress Interface Selection (EIS)..................................................................................................................................403
Important Points to Remember............................................................................................................................. 403
Conguring EIS........................................................................................................................................................ 403
Management Interfaces................................................................................................................................................404
Conguring Management Interfaces.................................................................................................................... 404
Conguring a Management Interface on an Ethernet Port............................................................................... 405
VLAN Interfaces............................................................................................................................................................ 406
Loopback Interfaces...................................................................................................................................................... 407
Null Interfaces................................................................................................................................................................ 407
Port Channel Interfaces................................................................................................................................................ 407
Port Channel Denition and Standards.................................................................................................................408
Port Channel Benets.............................................................................................................................................408
Port Channel Implementation.................................................................................................................................408
Interfaces in Port Channels.................................................................................................................................... 409
Conguration Tasks for Port Channel Interfaces.................................................................................................409
Creating a Port Channel......................................................................................................................................... 409
Adding a Physical Interface to a Port Channel..................................................................................................... 410
Reassigning an Interface to a New Port Channel..................................................................................................411
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 412
Adding or Removing a Port Channel from a VLAN.............................................................................................. 412
Assigning an IP Address to a Port Channel........................................................................................................... 413
Deleting or Disabling a Port Channel......................................................................................................................414
Load Balancing Through Port Channels................................................................................................................ 414
Changing the Hash Algorithm.................................................................................................................................414
Bulk Conguration..........................................................................................................................................................415
Interface Range........................................................................................................................................................ 415
Bulk Conguration Examples.................................................................................................................................. 416
Dening Interface Range Macros................................................................................................................................. 417
Dene the Interface Range..................................................................................................................................... 417
Choosing an Interface-Range Macro.....................................................................................................................418
Monitoring and Maintaining Interfaces........................................................................................................................ 418
Maintenance Using TDR..........................................................................................................................................419
Non Dell-Qualied Transceivers....................................................................................................................................419
Splitting 40G Ports without Reload.............................................................................................................................420
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 422
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................423
Important Points to Remember..............................................................................................................................423
Example Scenarios...................................................................................................................................................424
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