Concept Guide

Null Interfaces................................................................................................................................................................ 393
Port Channel Interfaces................................................................................................................................................ 393
Port Channel Denition and Standards.................................................................................................................394
Port Channel Benets.............................................................................................................................................394
Port Channel Implementation.................................................................................................................................394
Interfaces in Port Channels.................................................................................................................................... 395
Conguration Tasks for Port Channel Interfaces.................................................................................................395
Creating a Port Channel......................................................................................................................................... 395
Adding a Physical Interface to a Port Channel.....................................................................................................396
Reassigning an Interface to a New Port Channel................................................................................................ 397
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 398
Adding or Removing a Port Channel from a VLAN............................................................................................. 398
Assigning an IP Address to a Port Channel.......................................................................................................... 400
Deleting or Disabling a Port Channel.....................................................................................................................400
Load Balancing Through Port Channels............................................................................................................... 400
Changing the Hash Algorithm................................................................................................................................400
Bulk Conguration......................................................................................................................................................... 402
Interface Range........................................................................................................................................................402
Bulk Conguration Examples..................................................................................................................................402
Dening Interface Range Macros................................................................................................................................ 404
Dene the Interface Range.................................................................................................................................... 404
Choosing an Interface-Range Macro....................................................................................................................404
Monitoring and Maintaining Interfaces....................................................................................................................... 404
Maintenance Using TDR.........................................................................................................................................405
Non Dell-Qualied Transceivers................................................................................................................................... 406
Splitting 40G Ports without Reload.............................................................................................................................406
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 408
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................409
Important Points to Remember............................................................................................................................. 409
Example Scenarios................................................................................................................................................... 410
Link Dampening............................................................................................................................................................... 411
Important Points to Remember...............................................................................................................................411
Conguration Example of Link Dampening........................................................................................................... 412
Enabling Link Dampening.........................................................................................................................................414
Link Bundle Monitoring.................................................................................................................................................. 415
Using Ethernet Pause Frames for Flow Control......................................................................................................... 416
Enabling Pause Frames............................................................................................................................................416
Congure the MTU Size on an Interface.....................................................................................................................417
Port-Pipes....................................................................................................................................................................... 418
Auto-Negotiation on Ethernet Interfaces....................................................................................................................418
Setting the Speed of Ethernet Interfaces.............................................................................................................418
Set Auto-Negotiation Options................................................................................................................................420
View Advanced Interface Information.........................................................................................................................420
Conguring the Interface Sampling Size............................................................................................................... 421
Conguring the Trac Sampling Size Globally...........................................................................................................422
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