Connecting two switches - crossover required?

Jun 30, 2005 1 Replies

Hi all,



I have always been of the understanding that whenever you connect two switches / hubs a cross over cable is required. Can someone explain how "Auto MDI/MDI-X" works and what it stands for. We use the Cisco Catilyst 3550 and have always used crossover cables to interlink them.



Thank,



Paul



In article , snipped-for-privacy@aol.com wrote: :I have always been of the understanding that whenever you connect two :switches / hubs a cross over cable is required. Can someone explain how :"Auto MDI/MDI-X" works and what it stands for. We use the Cisco :Catilyst 3550 and have always used crossover cables to interlink them.

Auto MDI-X is automatic detection of that a cross-over is needed, and a small bit of internal reconfiguration to compensate.

[It doesn't have to be switch to switch -- it could also detect that you have used a cross-over cable to connect a host when you needed a straight-through instead.]

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