Community Forum

Connectivity Issues

Highlighted
Regular Visitor

Connectivity Issues

I recently changed from the Xfinity modem/router and bought my own Motorola MG7550 which is supported. I have noticed that I am having speed issues since then and not sure if it's the new modem at fault or the connection itself. 

 

Log
 

 

 
 

 


  
 Time   Priority   Description 
Tue May 26 00:11:37 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:11:38 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:12 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:12 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:16 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:16 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:40 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:41 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:50 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:51 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:12:51 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; 
Tue May 26 00:14:38 2020   Critical (3)  No Ranging Response received - T3 time-out;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.0;CM-VER=3.0; 
Thu May 28 23:20:50 2020   Critical (3)  Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:05:08 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:06:09 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:06:16 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:06:23 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:06:29 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:07:14 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:07:21 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat May 30 04:07:50 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Mon Jun 01 05:14:57 2020   Critical (3)  Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Time Not Established  Critical (3)  No Ranging Response received - T3 time-out;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.0;CM-VER=3.0; 
Sat Jun 13 19:02:34 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:03:21 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:05:06 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:05:23 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:05:42 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:05:59 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Sat Jun 13 19:06:18 2020   Critical (3)  SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.1;CM-VER=3.0; 
Time Not Established  Critical (3)  No Ranging Response received - T3 time-out;CM-MAC=00:40:36:65:bf:cc;CMTS-MAC=00:01:5c:b2:78:6f;CM-QOS=1.0;CM-VER=3.0; 
Time Not Established  Notice (6)  Honoring MDD; IP provisioning mode = IPv6 

 

 

   Downstream Bonded Channels
 

 

 
 

 


  
   Channel Lock Status Modulation Channel ID Freq. (MHz) Pwr (dBmV) SNR (dB) Corrected Uncorrected
1 Locked QAM256 17 579.0 1.3 38.0 256 222
2 Locked QAM256 18 585.0 2.6 38.9 264 411
3 Locked QAM256 19 591.0 4.3 39.8 210 800
4 Locked QAM256 20 597.0 6.1 40.3 228 692
5 Locked QAM256 21 603.0 6.9 40.8 359 1062
6 Locked QAM256 22 609.0 6.1 40.2 151 290
7 Locked QAM256 23 615.0 4.5 39.7 45 91
8 Locked QAM256 24 621.0 3.1 39.0 63 69
9 Locked QAM256 25 627.0 2.1 38.4 56 76
10 Locked QAM256 26 633.0 1.5 37.9 111 19
11 Locked QAM256 27 639.0 1.2 37.7 53 74
12 Locked QAM256 28 645.0 1.4 38.0 79 53
13 Locked QAM256 29 651.0 1.9 38.4 96 302
14 Locked QAM256 30 657.0 2.7 38.9 43 195
15 Locked QAM256 31 663.0 3.7 39.4 34 154
16 Locked QAM256 32 669.0 4.9 39.9 36 182
Total             2084 4692



   Upstream Bonded Channels
 

 

 
 

 


  
   Channel Lock Status Channel Type Channel ID Symb. Rate (Ksym/sec) Freq. (MHz) Pwr (dBmV)
1 Locked ATDMA 1 5120 35.8 37.8
2 Locked ATDMA 2 5120 29.4 37.8
3 Locked ATDMA 3 5120 23.0 37.5
4 Locked ATDMA 4 5120 16.6 36.8

 

Any help or a push in the right direction would be great!!