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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Those errors from the router in my experience are 99/100 times a carrier issue. Occasionally it can be your extended demarks or patch cables, and on that 100<sup>th</sup>
time it could be hardware but I’d go with the carrier as a first look<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Matthew G. Loraditch – CCNP-Voice, CCNA, CCDA<br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
1965 Greenspring Drive</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">Timonium, MD 21093</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D"><br>
voice. 410.252.8830<br>
fax. 410.252.9284 <br>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Lelio Fulgenzi<br>
<b>Sent:</b> Friday, July 13, 2012 10:20 AM<br>
<b>To:</b> Cisco VOIP<br>
<b>Subject:</b> [cisco-voip] D channel errors - carrier or us?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><br>
Over the last few months, I've had sporadic D channel errors. Am I correct in suspecting carrier issues? Typically, if it's a problem on our end, we'd see other errors like unregistered gateways, etc.<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="object"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Jul 13 04</span></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">:34:46 iptccm105.cs.uoguelph.ca 2274:
: : 842: <span class="object">Jul 13 08</span>:34:46.717 UTC : %CCM_RTMT-RTMT-2-RTMT-ERROR-ALERT: RTMT Alert Name:MgcpDChannelOutOfService Detail: MGCP DChannel is out-of-service. D-Channel-Out-Of-Service status in gateway device(s): S0/DS1-0@sda0002fce0933c,
S0/DS1-0@sda0002fce09322, S0/DS1-0@sda000164165b07, S0/DS1-0@sda000164165b04, S0/DS1-0@sda0002fce09321, S0/DS1-0@sda0002fce0933a, S0/DS1-0@sda0002fce09339, S0/DS1-0@sda0002fce09324 App ID:Cisco AMC Service Cluster ID: Node ID:iptccm105<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><br>
I don't have any more log details from the 6608 ports, but the one port on our 3945 had this information in the logs at the time:<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Jul 13 2012 04:33:58.335: %CONTROLLER-5-UPDOWN: Controller T1 0/0/0, changed state to down (AIS detected)<br>
Jul 13 2012 04:33:58.391: %MARS_NETCLK-3-HOLDOVER: Entering Holdover for Controller T1 0/0/0<br>
Jul 13 2012 04:34:00.335: %LINK-3-UPDOWN: Interface Serial0/0/0:23, changed state to down<br>
Jul 13 2012 04:34:08.643: %MARS_NETCLK-3-HOLDOVER_TRANS: Holdover timer exceeded for Controller T1 0/0/0<br>
Jul 13 2012 04:34:08.643: %MARS_NETCLK-3-CLK_TRANS: Network clock source transitioned from priority 1 to priority 10<br>
Jul 13 2012 04:35:07.332: %CONTROLLER-5-UPDOWN: Controller T1 0/0/0, changed state to up<br>
Jul 13 2012 04:35:09.332: %LINK-3-UPDOWN: Interface Serial0/0/0:23, changed state to up<br>
Jul 13 2012 04:35:17.644: %MARS_NETCLK-3-CLK_TRANS: Network clock source transitioned from priority 10 to priority 1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Should I be looking in CallManager logs for more information at this time?<br>
<br>
<br>
---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>
(519) 824-4120 x56354 (519) 767-1060 FAX (ANNU)<br>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
Cooking with unix is easy. You just sed it and forget it. <br>
- LFJ (with apologies to Mr. Popeil)<br>
<br>
<br>
<o:p></o:p></span></p>
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