Question Intermittent Internet Connection

Mar 31, 2020
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Hi, first time posting. My modem and Internet Provider is the Technicolor TC8305C from Xfinity and i'm having intermittent wifi where several times throughout the day, I'm unable to connect to the internet on any device from anywhere from a few seconds to almost half an hour. When I do have an internet connection, its much more slower than the 20-25Mbps Ookla and other speed test services are reporting.
Logs:

Tue Mar 31 20:08:06 2020Notice (6) TLV-11 - unrecognized OID;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:58:53 2020Notice (6) WiFi Interface [wl0] set to Channel wl0 (Side-Band Channel:wl0) - Reason:wl0
Tue Mar 31 19:58:47 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
Tue Mar 31 19:53:59 2020Critical (3) SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:53:54 2020Notice (6) TLV-11 - unrecognized OID;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:26:28 2020Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:25:54 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:25:16 2020Warning (5) MDD message timeout;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:25:16 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:25:10 2020Warning (5) MDD message timeout;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 19:25:10 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 10:06:16 2020Notice (6) TLV-11 - unrecognized OID;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 10:06:02 2020Notice (6) Honoring MDD; IP provisioning mode = IPv6
Tue Mar 31 10:05:48 2020Critical (3) No Ranging Response received - T3 time-out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.0;CM-VER=3.0;
Tue Mar 31 10:05:22 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
Tue Mar 31 09:59:13 2020Notice (6) WiFi Interface [wl0] set to Channel wl0 (Side-Band Channel:wl0) - Reason:wl0
Tue Mar 31 09:59:04 2020Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:59:04 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:58:30 2020Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:58:30 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:58:08 2020Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:58:07 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:57:40 2020Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:57:40 2020Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
Tue Mar 31 09:54:59 2020Warning (5) MDD message timeout;CM-MAC=44:32:c8:8a:b0:bf;CMTS-MAC=00:01:5c:6b:42:4a;CM-QOS=1.1;CM-VER=3.0;
 

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