[cisco-voip] how to do a config loopback

[Justin Steinberg]

James,

To my knowledge to can not remotely test for hardware problems using only
software.

You can however use a hardware loopback plug to test the router/CSU.

You will need to have someone connect a T1 loopback cable to your CSU and
reconfigure that controller as a channel group, configure HDLC, configure an
IP address on the interface and then run various ping tests.  All of this is
detailed in this link:

http://www.cisco.com/warp/public/471/hard_loopback.html

Justin


On 4/26/06, James Grace <jgrace at digitelusa.net> wrote:
>
>  I have a remote site that is down.  This is a cme.  Im able to get into
> the gw, and I see that the t1 controller is in a down state.  Is the way for
> me to determine if the card is bad or good by doing some type of loopback
> config on the gw.  I am remote to the gw.  I think it's a cable issue,  but
> want to be sure it not a dead t1 controller card
>
>
>
>
>
> James D. Grace
>
> *CCNP CCNA MCSE MCDBA*
>
> Sr. System Engineer / Professional Svc.
>
> *Digitel Corporation*
>
>
>
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>
>
>
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