Skip to main content

    Support

    Offers

GammaRoent's profile
GammaRoent
1st Topic

New Poster

 • 

1 Message

Friday, October 23rd, 2020 1:00 PM

Closed

Frequent Internet Drops

I've had my internet drop about 2-3 times a day for the past month and a half now. It's dropped with different routers and modems, with wired and wifi connections, and with only 1 device compared to several connected. My downstream/upstream channels seam to be in an acceptable range as well. I have a feeling that my issue might be similar to these users, but I'm not sure: https://forums.xfinity.com/t5/Your-Home-Network/Connection-drops-multiple-times-a-day-T3-T4-time-out-in/td-p/3375262 

 

Here is the log:

 

TimePriorityDescription
1970-1-1, 00:00:33Notice (6)Honoring MDD; IP provisioning mode = IPv6
1970-1-1, 00:00:22Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
1970-1-1, 00:00:27Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
1970-1-1, 00:00:21Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:16:18Critical (3)Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.1;CM-VER=3.0;
2020-10-20, 03:14:39Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:31Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:31Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:28Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:28Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:25Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:14:24Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:13:59Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:13:58Critical (3)DHCP failed - DHCP Solicit sent, No DHCP Advertise received;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:12:51Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:11:48Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:56Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:51Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:50Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:33Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:32Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:12Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:10:11Critical (3)DHCP failed - DHCP Solicit sent, No DHCP Advertise received;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:42Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:37Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:36Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:19Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:18Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:01Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:08:00Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:07:43Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:07:42Critical (3)No UCDs Received - Timeout;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:07:20Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:06:46Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:05:53Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:04:50Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:03:46Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:02:47Critical (3)No Ranging Response received - T3 time-out;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:02:35Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
2020-10-20, 03:02:34Critical (3)DHCP failed - DHCP Solicit sent, No DHCP Advertise received;CM-MAC=44:a5:6e:ce:fa:f8;CMTS-MAC=28:52:61:fa:1a:b3;CM-QOS=1.0;CM-VER=3.0;

 

Startup Procedure
ProcedureStatusComment
Acquire Downstream Channel621000000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
SecurityEnabledBPI+
IP Provisioning ModeHonor MDDhonorMdd(4)
ChannelLock StatusModulationChannel IDFrequencyPowerSNRCorrectablesUncorrectables
1LockedQAM25637621000000 Hz4.8 dBmV39 dB00
2LockedQAM25629573000000 Hz6.4 dBmV39.7 dB00
3LockedQAM25630579000000 Hz5.6 dBmV39.5 dB00
4LockedQAM25631585000000 Hz5.5 dBmV39.5 dB00
5LockedQAM25632591000000 Hz5.9 dBmV39.6 dB00
6LockedQAM25633597000000 Hz6.4 dBmV39.6 dB00
7LockedQAM25634603000000 Hz6.6 dBmV39.6 dB00
8LockedQAM25635609000000 Hz5.8 dBmV39.3 dB00
9LockedQAM25636615000000 Hz5.2 dBmV39.1 dB00
10LockedQAM25638627000000 Hz5.1 dBmV39.1 dB00
11LockedQAM25639633000000 Hz6 dBmV39.3 dB00
12LockedQAM25640639000000 Hz6.9 dBmV39.4 dB00
13LockedQAM25641645000000 Hz6.7 dBmV39.4 dB00
14LockedQAM25642651000000 Hz5.8 dBmV39.2 dB00
15LockedQAM25643657000000 Hz5.8 dBmV39.3 dB00
16LockedQAM25644663000000 Hz6.5 dBmV39.4 dB00

 

Upstream Bonded Channels
ChannelLock StatusUS Channel TypeChannel IDSymbol RateFrequencyPower
1LockedATDMA45120 Ksym/sec18600000 Hz39.3 dBmV
2LockedATDMA15120 Ksym/sec37800000 Hz40.8 dBmV
3LockedATDMA25120 Ksym/sec31400000 Hz39.3 dBmV
4LockedATDMA35120 Ksym/sec25000000 Hz

39.3 dBmV

Question

432

0

0

0

This conversation is no longer open for comments or replies and is no longer visible to community members.

No Responses!
forum icon

New to the Community?

Start Here