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Modem power-cycling randomly
I've read a couple of threads on this forum regarding similar issues with their internet disconnections. Looking at the logs though seem to be a little different. I've contacted customer support a few times, the first time stating there was an area problem that was currently being fixed, the second plus times there was no area interference, and they did not notice any issues with the connection itself.
1. The modem lights do go out very briefly, as if it just restarts the connection.
2. One time I decided to power cycle the modem myself to see if it would reset whatever is causing the disconnections. I waited 2 minutes, and when I went to turn it back on, none of the lights came back on at all. I figured the modem/router had malfunctioned, but after 10-15 minutes the lights came back on and the internet was back up.
Here is my log file for the past 5 hours. I'm using the NETGEAR CG3000D-RG Modem/Router.
| Mon Mar 24 09:22:33 2014 | Critical (3) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 09:22:30 2014 | Notice (6) | TLV-11 - unrecognized OID;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 09:22:29 2014 | Error (4) | Missing BP Configuration Setting TLV Type: 17.8;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 09:22:29 2014 | Error (4) | Missing BP Configuration Setting TLV Type: 17.9;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 09:15:51 2014 | Critical (3) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 07:45:17 2014 | Critical (3) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Mon Mar 24 07:45:13 2014 | Critical (3) | Dynamic NV full - recovery invoked |
| Mon Mar 24 04:54:12 2014 | Critical (3) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.1;CM-VER=3.0; |
| Time Not Established | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=20:e5:2a:de:5b:60;CMTS-MAC=64:00:f1:40:11:8e;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv4 |
| Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 1 (Side-Band Channel:N/A) - Reason:INIT |
The last time I contacted customer support, they recommended I swap my modem out for another. However, before I take the trip, I figured I would give the forums a try.
Thank you
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Health_Edge
Valued Contributor III
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4.2K Messages
" when I went to turn it back on, none of the lights came back on at all."
Could you give more info on this? When you say none of the lights, do you mean the power light too? If so, and the modem sometimes takes 15-20min to power on when unplugged, that sounds like a hardware issue, and suggest returning it. I actually suggest getting a stand alone modem and router, but I think that is outside the scope of your question.
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Triginock
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It was a strange thing, it's never happened before. No lights were on except a faint light when looking where the lights are supposed to be on. I thought the modem simply was done, then 10-15 minutes later, the lights just came back on, and internet was back up.
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ChrisL
Former Moderator
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