Finding out length of a UTP cable using Cisco IOS

Well, this is just cool. Everyone has been there; sitting at a Cisco switch console wondering how long the unmarked UTP plugged into port 17 is… Thankfully Cisco IOS might be able to tell you:

core# test cable-diagnostics tdr interface gigabitethernet0/17

Unfortunately it’s not available on all switches. I dug this up on here Cisco site. And here is the command reference…

Posted on January 5, 2010 at 12:21 by somedude · Permalink
In: cisco, ios, networking

2 Responses

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  1. Written by wta is the exact distance supported by UTP cable ?
    on May 7, 2010 at 12:26
    Reply · Permalink

    need answer

    • Written by somedude
      on May 7, 2010 at 13:46
      Reply · Permalink

      Generally 100m… http://en.wikipedia.org/wiki/Category_5_cable

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