[cisco-voip] Checking hardware -- PRI

Peter Slow peter.slow at gmail.com
Mon Feb 15 11:17:10 EST 2010


I recommend doing one of two things:

if you have hardware to accommodate a second PRI, wire it up to this
one and set them up back to back, and we'll see if the issue
continues, and if you keep getting errors or not.

If you can't go with option 1, you need to slap a loopback into that
bad boy and set it up as an HDLC encapsulated data T1 and we can send
packets of various sizes over it to see if you get any errors that
way.

Pick one, and we'll go through the specifics =)

-Peter



On Mon, Feb 15, 2010 at 11:10 AM, Scott Voll <svoll.voip at gmail.com> wrote:
> show isdn stat shows multiple frames established which makes me still think
> it's a Telco issue.  any other ideas?
> Scott
> ps. I have no mgcp -- mgcp.
>
> On Mon, Feb 15, 2010 at 7:53 AM, Scott Voll <svoll.voip at gmail.com> wrote:
>>
>> I have a ticket in with the local telco, but I have a D channel on my PRI
>> that is bouncing about every 1-3 minutes.
>> How do I check to make sure it's not a hardware issue on my side?
>> it's a 2851 with vwic-2mft-t1=
>> I see on the controller in the last 24 hours it has 1610 path code
>> violations, 9 line code violoations, 2 serverly err secs, and 6 unavail
>> secs. but nothing in the current interval.
>> I have shut not shut the interface but I continue to get RTMT reports that
>> the D channel is down(every 1 - 3 minutes).  Router has been up for multiple
>> days.(had a power outage last week). but d channel went down yesterday
>> afternoon.
>> What else should I be looking at.
>> Thanks
>> Scott
>> ps. CM 6.1.3 and MGCP.
>
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