Interface problem

Unanswered Question
Apr 28th, 2008

LHE-3845-R2#sh int s1/3

Serial1/3 is up, line protocol is down (looped)

Kindly explain (looped) ?

I have this problem too.
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d.metheny Mon, 04/28/2008 - 11:11

Looped - traffic is going out, and coming right back in.

Is this a live network? If so, did you recently have a problem with your circuit? The provider may have looped up the circuit to test, and left it that way. Or, there could be issues on the circuit now.

The remote router may have been configured to provide a remote loop.

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