11 Messages

Tuesday, January 9th, 2024

Closed

Experiencing SYNC Timing Synchronization Failure

Recently connected a new Motorola MG 7550 router /modem. We've been experiencing periodic disconnections lasting from less than a minute to several minutes. Logs show the following.... 

Time   Priority   Description 
 Time Not Established   Critical (3)   No Ranging Response received - T3 time-out;CM-MAC=xxxxxxx;CM-QOS=1.0;CM-VER=3.0; 
 Sun Jan 07 17:08:41 2024    Critical (3)   SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=xxxxxxxCM-QOS=1.1;CM-VER=3.0; 
 Sun Jan 07 17:08:45 2024    Critical (3)   SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xxxxxxxxx;CM-QOS=1.1;CM-VER=3.0; 
 Sun Jan 07 17:08:48 2024    Critical (3)   SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=xxxxxxxxxxCM-QOS=1.1;CM-VER=3.0; 
 Sun Jan 07 17:53:24 2024    Critical (3)   Resetting the cable modem due to docsDevResetNow 
 Time Not Established   Critical (3)   No Ranging Response received - T3 time-out;CM-MAC=xxxxxxx;CM-QOS=1.0;CM-VER=3.0; 
 Time Not Established   Notice (6)   Honoring MDD; IP provisioning mode = IPv6 
 Mon Jan 08 03:14:22 2024    Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=xxxxxx;CM-QOS=1.1;CM-VER=3.0; 
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