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Every night at midnight "No Ranging Response received - T3 time-out"

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Every night at midnight "No Ranging Response received - T3 time-out"

Almost every night at midnight we lose connectivity. We have a gigabit plan and use an Arris SB8200 modem, then have this connected to our wifi router.  

 

Typical codes show a date/time stamp of midnight 1/1/1970:

- SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing

- No Ranging Response received - T3 time-out

 

Log Info:

Startup Procedure
ProcedureStatusComment
Acquire Downstream Channel615000000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
Configuration FileOK 
SecurityEnabledBPI+
DOCSIS Network Access EnabledAllowed 

 
Downstream Bonded Channels
Channel IDLock StatusModulationFrequencyPowerSNR/MERCorrectedUncorrectables
36LockedQAM256615000000 Hz7.2 dBmV34.4 dB00
8LockedQAM256441000000 Hz5.5 dBmV34.1 dB00
9LockedQAM256447000000 Hz5.6 dBmV34.0 dB00
10LockedQAM256453000000 Hz5.6 dBmV33.9 dB00
11LockedQAM256459000000 Hz5.1 dBmV33.8 dB00
12LockedQAM256465000000 Hz5.2 dBmV34.2 dB00
13LockedQAM256471000000 Hz5.1 dBmV34.5 dB00
14LockedQAM256477000000 Hz5.0 dBmV34.3 dB00
15LockedQAM256483000000 Hz5.0 dBmV34.3 dB00
16LockedQAM256489000000 Hz5.1 dBmV34.2 dB00
17LockedQAM256495000000 Hz5.0 dBmV34.1 dB00
18LockedQAM256507000000 Hz5.3 dBmV33.8 dB00
19LockedQAM256513000000 Hz5.5 dBmV34.3 dB00
20LockedQAM256519000000 Hz5.8 dBmV34.4 dB00
21LockedQAM256525000000 Hz6.0 dBmV34.4 dB00
22LockedQAM256531000000 Hz6.3 dBmV34.3 dB00
23LockedQAM256537000000 Hz6.5 dBmV34.2 dB00
24LockedQAM256543000000 Hz6.6 dBmV34.1 dB00
25LockedQAM256549000000 Hz6.7 dBmV34.0 dB00
26LockedQAM256555000000 Hz6.8 dBmV33.8 dB00
27LockedQAM256561000000 Hz7.0 dBmV34.2 dB00
28LockedQAM256567000000 Hz7.2 dBmV34.4 dB00
29LockedQAM256573000000 Hz7.4 dBmV34.4 dB00
30LockedQAM256579000000 Hz7.6 dBmV34.5 dB00
31LockedQAM256585000000 Hz7.6 dBmV34.3 dB00
32LockedQAM256591000000 Hz7.5 dBmV34.3 dB00
33LockedQAM256597000000 Hz7.4 dBmV34.1 dB00
34LockedQAM256603000000 Hz7.2 dBmV34.2 dB00
35LockedQAM256609000000 Hz7.1 dBmV34.5 dB00
37LockedQAM256621000000 Hz7.2 dBmV34.4 dB00
38LockedQAM256627000000 Hz6.9 dBmV34.3 dB00
48LockedOther722000000 Hz7.6 dBmV31.5 dB8923609720



 
Upstream Bonded Channels
ChannelChannel IDLock StatusUS Channel TypeFrequencyWidthPower
12LockedSC-QAM Upstream22800000 Hz6400000 Hz31.0 dBmV
21LockedSC-QAM Upstream16400000 Hz6400000 Hz32.0 dBmV
33LockedSC-QAM Upstream29200000 Hz6400000 Hz32.0 dBmV
44LockedSC-QAM Upstream35600000 Hz6400000 Hz31.0 dBmV
55LockedSC-QAM Upstream39600000 Hz1600000 Hz27.0 dBmV



 

Current System Time: Tue Nov 10 08:51:54 2020

 

 

Date Time Event ID Event Level Description
11/10/2020 06:08670616006"DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:0024366940666"Honoring MDD; IP provisioning mode = IPv6"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/10/2020 06:0724366940443"Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/10/2020 05:5724366940443"Resetting the cable modem due to docsDevResetNow"
11/09/2020 14:57820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
11/08/2020 22:07820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/08/2020 06:3424366940443"Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/08/2020 06:1024366940443"Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 18:1324366940443"Resetting the cable modem due to docsDevResetNow"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 17:3024366940443"Resetting the cable modem due to docsDevResetNow"
11/02/2020 14:44820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
11/01/2020 22:55820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
11/01/2020 22:23820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:38820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:37820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:37820001003"No Maintenance Broadcasts for Ranging opportunities received - T2 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:36840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:36840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/08/2020 23:36840001003"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/07/2020 16:00820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:13820005003"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:12820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:12820001003"No Maintenance Broadcasts for Ranging opportunities received - T2 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:12840005003"SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:12820002003"No Ranging Response received - T3 time-out;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"
10/02/2020 11:12840005003"SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=58:19:f8:b5:70:89;CMTS-MAC=00:01:5c:95:ca:73;CM-QOS=1.1;CM-VER=3.1;"