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Zoroast78's avatar
Zoroast78
Aspirant
Sep 12, 2016

C7000 – Nighthawk AC1900 WiFi Cable Modem Router--Losing connection once a day requiring full reset

Hello,   I purchased my modem in August 2015 and it was working fine unitl  June 2015 timeframe when I started experiencing minor connection issues (internet drops for few minutes).  However, now i...
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DarrenM's avatar
DarrenM
Sr. NETGEAR Moderator
Sep 14, 2016

Hello Zoroast78

 

Are you seeing any errors happening on the modem when it drops out you can look in the logs if so could you post them here.

 

DarrenM

  • Zoroast78's avatar
    Zoroast78
    Aspirant
    Sep 14, 2016
    Time Priority Description 1970-1-1, 00:00:38 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 1970-1-1, 00:00:44 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.0;CM-VER=3.0; 2016-9-10, 10:37:19 Critical (3) Resetting the cable modem due to docsDevResetNow 1970-1-1, 00:00:37 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 1970-1-1, 00:00:44 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.0;CM-VER=3.0; 1970-1-1, 00:00:39 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 2016-9-14, 13:17:42 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 1970-1-1, 00:00:39 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 1970-1-1, 00:00:41 Notice (6) WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT 1970-1-1, 00:00:41 Notice (6) WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INTERFERENCE 1970-1-1, 00:00:46 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.0;CM-VER=3.0; 1970-1-1, 00:00:49 Notice (6) Honoring MDD; IP provisioning mode = IPv6 2016-9-14, 13:52:40 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:52:44 Warning (5) MDD message timeout;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:52:45 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:52:51 Warning (5) MDD message timeout;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:52:52 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:04 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:05 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:36 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:38 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:42 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:43 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:48 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:50 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:55 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:54:56 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:01 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:11 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:13 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:14 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:15 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:21 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:24 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:25 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:26 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:28 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:55:32 Critical (3) SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:56:01 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=50:6a:03:7f:2f:b0;CMTS-MAC=00:01:5c:72:62:69;CM-QOS=1.1;CM-VER=3.0; 2016-9-14, 13:56:51 Notice (6) Honoring MDD; IP provisioning mode = IPv6