[cisco-voip] Many phones resetting spontaneously -- Traces?

[Jason Aarons (US)]

RTMT Alert Central should have an alert when a large number of devices unregister. Might give a timestamp on about what time to start looking in ccm trace files, etc.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Friday, June 11, 2010 10:15 AM
To: dwolgast at gmail.com
Cc: Cisco VOIP Newsletter - puck.nether.net
Subject: Re: [cisco-voip] Many phones resetting spontaneously -- Traces?

In General:

the traces actually say 'unregister' with device name.  If phones went down enmass then typical approach is:
1. check CM system and application logs.  look for any critical system events (cm crash/restart?)
2. pull CM SDI and SDL traces.  when phones next re-register they send a reason code for the last unregistration in an ALARM message
3. parse traces to identify phones that *did* and *did not* unregister.  identify patterns in the groups of phones such as subnet, primary cm, phone model, device pool, etc.

/Wes

On Thursday, June 10, 2010 7:17:25 PM, Dave Wolgast <dwolgas1 at rochester.rr.com><mailto:dwolgas1 at rochester.rr.com> wrote:

CUCM 6.1(4)
7940/42/60/62 running 8.5(3)

I got a report late this afternoon that a fair number of calls were dropped when phones reset spontaneously.  All phones were registered to a single subscriber.  I am trying to narrow down the cause of the event.  Unfortunately, nobody thought to record an accurate time when the event occurred.  Thus, I have to dig through the traces (I don't see unregisters in the Application logs).

What does an unregister look like in traces, or what else could I search on that might identify the moment when this occurred?

If there is any additional info I can provide that would help, please let me know.

--
Dave Wolgast
Livonia, NY







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