[cisco-voip] FXS ports stuck in WAIT_RELEASE state

[Brian E. Wyland]

What IOS are you running on those routers?  I had this issue with the XC
track of the IOS.

 

I had a similar issue earlier this year that was IOS related.    I have
also heard of the bad DSP issue, but in my case it was IOS related and
cleared up after I changed the IOS version I was running.

 

-- Brian Wyland

________________________________

From: Andrew F. Wolfe [mailto:deadpool.slayer.telecomm at gmail.com] 
Sent: Thursday, January 04, 2007 1:18 PM
To: cisco-voip
Subject: Re: [cisco-voip] FXS ports stuck in WAIT_RELEASE state

 

Has anyone found an answer on this?  My third day on the job and I was
given this same issue for a customer and it is happening on 4 separate
routers.  Since they are in production we cannot reload the router.  Has
anyone.... 

 

1.  Found a way to clear the port without reloading the router?

2.  Found a fix or workaround?

 

TAC has not provided us with anything thus far.  The only thing they
have given us is to reload the router to clear the port and then after
the reload do the following debugs

 

debug vpm signal 
debug voip ccapi inout 
debug voip vtsp all 
 

Then watch for the port to lock.  Let me know if anyone has anymore
insight on this.  Thaks.  

 

 

On 11/20/06, Kevin Hoffer <kevinh at bcinetworks.net> wrote: 

Funny you say this. I have a VocalData (Teklec) System and I am having
the same issue. TAC pointed to Vocaldata, and Vocaldata is telling me
it's a Cisco Bug but they are putting in a workaround.

 

Kevin

 

________________________________

From: cisco-voip-bounces at puck.nether.net
<mailto:cisco-voip-bounces at puck.nether.net>  [mailto:
cisco-voip-bounces at puck.nether.net
<mailto:cisco-voip-bounces at puck.nether.net> ] On Behalf Of Kris
Seraphine
Sent: Monday, November 20, 2006 9:44 AM
To: cisco-voip
Subject: [cisco-voip] FXS ports stuck in WAIT_RELEASE state

 

>From time to time I have customers who have problems with FXS ports
'locking up'.  In most cases when this happens the port will be stuck in
the S_WAIT_RELEASE state like so.

2/0/2         None       -  S_WAIT_RELEASE        FXSLS_ONHOOK      

I've not found any way to clear this except reloading the router.  I'm
wondering if anyone can give me some insight as to why this happens and
if there's a way to clear the port when it does. 

In this particular case, the connected device is a fax machine.  Is it
possible that the fax machine is causing some voltage on the line that
is seizing the port? If so, can anyone recommend a surge protector to
protect against this?      

This particular customer is running a 2821 with a HD-NM and 12.4(XC)4
but I've had the problem with VIC2-4FXS/DID cards as well. 

Thanks


-- 
kris seraphine 


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