<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'><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.<br><br><div style="margin-left: 40px;"><span class="Object" id="OBJ_PREFIX_DWT456">Jul 13 04</span>:34:46 iptccm105.cs.uoguelph.ca 2274: : : 842: <span class="Object" id="OBJ_PREFIX_DWT457"><span class="Object" id="OBJ_PREFIX_DWT458">Jul 13 08</span></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</div><span><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:<br><br></span><div style="margin-left: 40px;">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<br><br></div><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4">Should I be looking in CallManager logs for more information at this time?<br><br><br><span name="x"></span>---<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><span name="x"></span><br></span><br></div></body></html>