Xfinitiy/Comcast Modem Problem

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Yaboykevin

Reputable
Aug 10, 2015
1
0
4,510
Hey guys,

My modem has been losing internet lately. The US/DS light keeps blinking then becomes stable at a random time. I exchanged my modem after my first one had the same problem and it started happening after a week.

If you guys need more info from my log just ask


System Logs:Today

Time Priority Description

Mon Aug 10 22:37:52 2015 Notice (6) TLV-11 - unrecognized OID;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 22:37:41 2015 Notice (6) Honoring MDD; IP provisioning mode = IPv6

Mon Aug 10 22:37:15 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

Mon Aug 10 22:36:09 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 19:03:10 2015 Warning (5) MDD message timeout;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 19:02:53 2015 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 18:52:33 2015 Notice (6) TLV-11 - unrecognized OID;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 18:52:18 2015 Notice (6) Honoring MDD; IP provisioning mode = IPv6

Mon Aug 10 18:51:57 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 18:51:57 2015 Warning (5) Dynamic Range Window violation

Mon Aug 10 18:51:37 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 18:32:09 2015 Warning (5) MDD message timeout;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 18:25:31 2015 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:21:25 2015 Warning (5) MDD message timeout;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:17:21 2015 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:17:15 2015 Warning (5) MDD message timeout;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:14:41 2015 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:14:37 2015 Warning (5) MDD message timeout;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:10:03 2015 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 17:08:59 2015 Notice (6) TLV-11 - unrecognized OID;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.1;CM-VER=3.0;

Mon Aug 10 13:40:03 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

Mon Aug 10 13:39:18 2015 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

Mon Aug 10 13:38:02 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

Mon Aug 10 13:34:11 2015 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

Mon Aug 10 13:33:31 2015 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=c4:27:95:43:6d:31;CMTS-MAC=e8:b7:48:0d:21:51;CM-QOS=1.0;CM-VER=3.0;

 
Solution
warfinge
Comcast recently upgraded speeds for many customers. The automatic firmware upgrades crippled many Wireless gateways. Support usually factory resets the struggling WGs and re-provisions them. This solves the intermittency about 70% of the time. The rest are given instructions to swap the things at a branch. Use the pinhole reset for more than 15 seconds and see if the problem persists. The same firmware update that effected your first WG is crippling the second. Hopefully over time CC will get the updates sorted out.
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warfinge

warfinge

Reputable
May 15, 2015
12
0
4,520
Comcast recently upgraded speeds for many customers. The automatic firmware upgrades crippled many Wireless gateways. Support usually factory resets the struggling WGs and re-provisions them. This solves the intermittency about 70% of the time. The rest are given instructions to swap the things at a branch. Use the pinhole reset for more than 15 seconds and see if the problem persists. The same firmware update that effected your first WG is crippling the second. Hopefully over time CC will get the updates sorted out.
 
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