10-09-2003 10:35 PM - edited 03-02-2019 10:55 AM
I would like to know how to test a loopback when the telco has given me the loop?
Pls advise
10-10-2003 05:10 AM
What type of interface is it? (E1, T1, E3 etc.) and what is your data-link protocol for this interface (PPP, default Cisco HDLC, Frame Relay etc.)?
For HLDC and PPP when you issue shýw interface command you can see read at the end of first line (looped). Fot more detailed information you can consult the document:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/itg_v1/tr1915.htm
10-10-2003 07:32 AM
E1 HDLC
thanks for the info.
but this has happend to me twice during midnight.
this is rather annoying and i will work closely with the info. u've provided. thank again
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