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Dropped Connections
Been having this issue with a dropped signal and then signal reconnects. Looked at logs. I have a Netgear C3000 modem. Below are the log file samples. Any ideas?
2019-10-17, 23:59:39 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 23:59:18 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 20:07:49 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 20:07:26 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:31:46 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:31:24 Warning (5) MDD message timeout;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:26:21 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:26:11 Warning (5) MDD message timeout;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:25:50 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:25:49 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
2019-10-17, 08:25:17 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=6c:b0:ce:a7:4f:fc;CMTS-MAC=00:01:5c:89:a6:52;CM-QOS=1.1;CM-VER=3.0;
EG
Expert
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103.5K Messages
5 years ago
Please also post the modem's signal status. Post the *Downstream Power Level*, the *Upstream Power Level*, and the *SNR* (Signal to Noise Ratio) numbers.
Is this with a WiFi connection ?
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KevinAgile
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5 Messages
5 years ago
yes....modem/wifi combo
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EG
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103.5K Messages
5 years ago
We need to know if this is via a WiFi connection or a hardwired connection, not just that you are using a combo device... And how about posting the signal stats as requested ?
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KevinAgile
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5 years ago
It is a wifi connection. Where do I find the stats you need, I had poted the event logs....is it found somewhere in the router admin log in area?
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EG
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103.5K Messages
5 years ago
O/k, for a test, does a computer hardwired directly to the router / gateway device with an ethernet cable have the same problem ?
And poke around in the same area(s) where you got the error log entries and you should be able to find the signal stats numbers.
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EG
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103.5K Messages
5 years ago
The WiFi strength is not what was requested.
Try hosting your pic(s) at one of those free third-party pic hosting sites like Imgur or Photobucket and post the link to it here.
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KevinAgile
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5 Messages
5 years ago
Didnt see anything in the Netgear enie but here are screen caps from a Wifi Analyzer Androind app.
Actually can not upload the screen captures but it shows a stregth of -69dBm
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KevinAgile
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5 years ago
https://imgur.com/a/dLJQfN6
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EG
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103.5K Messages
5 years ago
Still need to see those modem's RF signal status numbers.
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