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Getting T3/T4 modem errors

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Getting T3/T4 modem errors

My internet connection is constantly dropping and started within the last couple of weeks. Based on the data it seems like the issue is on the Xfinity side. 

 

Modem: Netgear CM500-100NAS

 

Startup Procedure
ProcedureStatusComment
Acquire Downstream Channel495000000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
SecurityEnabledBPI+
IP Provisioning ModeHonor MDDhonorMdd(4)
 
Downstream Bonded Channels
ChannelLock StatusModulationChannel IDFrequencyPowerSNRCorrectablesUncorrectables
1LockedQAM25613495000000 Hz-0.6 dBmV40.1 dB39126
2LockedQAM2561423000000 Hz-0.3 dBmV40.5 dB14995
3LockedQAM2562429000000 Hz-0.1 dBmV40.6 dB94183
4LockedQAM2563435000000 Hz0 dBmV40.6 dB92276
5LockedQAM2564441000000 Hz0.1 dBmV40.6 dB8674
6LockedQAM2565447000000 Hz0.2 dBmV40.6 dB98152
7LockedQAM2566453000000 Hz0.2 dBmV40.6 dB112135
8LockedQAM2567459000000 Hz0.3 dBmV40.6 dB101126
9LockedQAM2568465000000 Hz0.2 dBmV40.5 dB10991
10LockedQAM2569471000000 Hz0 dBmV40.5 dB8156
11LockedQAM25610477000000 Hz-0.1 dBmV40.4 dB97142
12LockedQAM25611483000000 Hz-0.4 dBmV40.3 dB4589
13LockedQAM25612489000000 Hz-0.6 dBmV40.2 dB63148
14LockedQAM25614507000000 Hz-0.8 dBmV39.5 dB24110
15LockedQAM25615513000000 Hz-0.7 dBmV40.1 dB20104
16LockedQAM25616519000000 Hz-0.7 dBmV40 dB30122
 
Upstream Bonded Channels
ChannelLock StatusUS Channel TypeChannel IDSymbol RateFrequencyPower
1LockedATDMA85120 Ksym/sec18600000 Hz37.9 dBmV
2LockedATDMA55120 Ksym/sec37800000 Hz36.7 dBmV
3LockedATDMA65120 Ksym/sec31400000 Hz38.4 dBmV
4LockedATDMA75120 Ksym/sec25000000 Hz39 dBmV
 
Extended Upstream Transmit Power
Enable Extended Upstream Transmit Power
 
Current System Time:Tue Aug 18 09:10:28 2020

System Up Time:01:30:43

 

 
 
 
 
TimePriorityDescription
2020-8-18, 09:06:46Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:06:13Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:05:05Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:04:32Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:04:07Warning (5)Dynamic Range Window violation
2020-8-18, 09:04:06Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:03:34Warning (5)Dynamic Range Window violation
2020-8-18, 09:03:34Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:02:47Warning (5)Dynamic Range Window violation
2020-8-18, 09:02:46Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:02:18Warning (5)Dynamic Range Window violation
2020-8-18, 09:02:14Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 09:01:57Warning (5)Dynamic Range Window violation
2020-8-18, 08:53:31Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:53:18Warning (5)Dynamic Range Window violation
2020-8-18, 08:52:58Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:52:26Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:44:34Warning (5)Dynamic Range Window violation
2020-8-18, 08:34:09Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:33:40Warning (5)Dynamic Range Window violation
2020-8-18, 08:33:37Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:33:20Warning (5)Dynamic Range Window violation
2020-8-18, 08:25:10Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:25:03Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:24:57Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:24:50Warning (5)Dynamic Range Window violation
2020-8-18, 08:24:50Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:24:38Warning (5)Dynamic Range Window violation
2020-8-18, 08:24:37Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:24:18Warning (5)Dynamic Range Window violation
2020-8-18, 08:24:17Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:23:21Warning (5)Dynamic Range Window violation
2020-8-18, 08:23:17Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:23:01Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:23:01Warning (5)Unicast DSID PSN startup error
2020-8-18, 08:22:21Warning (5)Dynamic Range Window violation
2020-8-18, 08:22:18Critical (3)Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:21:42Warning (5)Dynamic Range Window violation
2020-8-18, 08:21:33Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:c5:70:08;CMTS-MAC=00:fe:c8:06:02:41;CM-QOS=1.1;CM-VER=3.0;
2020-8-18, 08:21:21Warning (5)Dynamic Range Window violation