What is MDI mode and should I be concerned about MDI/MDIX inconsistencies in an LACP trunk?

Posted by Stu Thompson on Server Fault See other posts from Server Fault or by Stu Thompson
Published on 2010-05-21T09:21:25Z Indexed on 2010/05/21 9:32 UTC
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I've got an HP 2510G-24 and Intel Pro/1000 PT Quad Port NIC in a 4x LACP trunk. When I cool at the switch's "Status and Counters - Port status" page, I see an inconsistency between ports of the same trunk. I could expect them to be identical.

So, my questions:

  • What is MDI and MDIX?
  • Do I need to be concerned about the inconsistency?
  • If so, how to resolve?

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