Finding out length of a UTP cable using Cisco IOS

somedude January 05, 2010 cisco, ios, networking 2 Comments

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…

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2 Responses to “Finding out length of a UTP cable using Cisco IOS”

  1. wta is the exact distance supported by UTP cable ? said:

    May 07, 10 at 12:26

    need answer

  2. somedude said:

    May 07, 10 at 13:46

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

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