Orbi WiFi 7 RBE973
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CM500 Intermittent Packet Loss multiple times daily WOW! Internet

roll0ver
Aspirant

CM500 Intermittent Packet Loss multiple times daily WOW! Internet

Have called but they keep saying it looks fine from thier end (clearly offshore tech support)

 

Here is the SYNC timing loss repeadedly in the logs:

 

Time Priority Description
2021-4-11, 21:11:01Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 21:11:00Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 21:10:58Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 21:10:54Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:41:27Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:41:24Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:41:23Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:41:20Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:11:55Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:11:52Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:11:49Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:11:48Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 20:11:45Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:42:21Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:42:18Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:42:15Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:42:14Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:42:11Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:12:43Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:12:42Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:12:41Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 19:12:37Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:43:09Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:43:08Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:43:06Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:43:02Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:13:36Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:13:34Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:13:33Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:13:32Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 18:13:28Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 17:44:00Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 17:43:57Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 17:43:56Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 17:43:53Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 16:44:54Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 16:44:51Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 16:44:50Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 16:44:47Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
2021-4-11, 16:15:23Warning (5)MDD message timeout;CM-MAC=bc:a5:11:96:58:94;CMTS-MAC=00:01:5c:72:78:73;CM-QOS=1.1;CM-VER=3.0;
Model: CM500|16x4 DOCSIS 3.0 Cable Modem
Message 1 of 2
roll0ver
Aspirant

Re: CM500 Intermittent Packet Loss multiple times daily WOW! Internet

Connection page:

Frequency start Value
This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Enter the new start frequency and restart the cable modem for it to take effect.
Starting Frequency
 

Startup Procedure

Procedure Status Comment
Acquire Downstream Channel621000000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
SecurityEnabledBPI+
IP Provisioning ModeHonor MDDhonorMdd(4)
 

Downstream Bonded Channels

Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1LockedQAM25614621000000 Hz-6 dBmV37.8 dB22976313
2LockedQAM25612603000000 Hz-6.7 dBmV37.4 dB681559
3LockedQAM25613615000000 Hz-6.4 dBmV37.8 dB783829
4LockedQAM25616633000000 Hz-4.5 dBmV38.4 dB16503825
5LockedQAM25617639000000 Hz-4.1 dBmV38.7 dB15853935
6LockedQAM25618645000000 Hz-4.5 dBmV38.9 dB761285
7LockedQAM25619651000000 Hz-4.6 dBmV38.9 dB726269
8LockedQAM25620657000000 Hz-4.8 dBmV38.6 dB706361
9LockedQAM25621663000000 Hz-4.8 dBmV38.6 dB709329
10LockedQAM25622669000000 Hz-5.1 dBmV38.4 dB746267
11LockedQAM25623675000000 Hz-5.1 dBmV37.8 dB748272
12LockedQAM25624681000000 Hz-5.6 dBmV38.3 dB653347
13LockedQAM25625687000000 Hz-5.9 dBmV38.1 dB724323
14LockedQAM25626693000000 Hz-6.4 dBmV37.9 dB652399
15LockedQAM25627699000000 Hz-6.3 dBmV38 dB647375
16LockedQAM25628729000000 Hz-5.3 dBmV37.2 dB7293052
 

Upstream Bonded Channels

Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1LockedATDMA855120 Ksym/sec21900000 Hz46.3 dBmV
2LockedATDMA865120 Ksym/sec28300000 Hz47 dBmV
3LockedATDMA875120 Ksym/sec34700000 Hz47.3 dBmV
4LockedATDMA882560 Ksym/sec39500000 Hz47.5 dBmV
Model: CM500|16x4 DOCSIS 3.0 Cable Modem
Message 2 of 2
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