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Problems with SB8200 dropping connection and rebooting

Regular Visitor

Problems with SB8200 dropping connection and rebooting

I just bought a SB8200 and I have now replaced it one and had a tech to my house twice to help get it working. The modem works and then the internet will lock up and I will have to reboot the router to get connection again. I was upgraded to 400mbs and I do not see more the 185 most of the time but sompetime I can see up to 365. The biggest problem I see is that I work form home and use my internet connection to run meeting in skype and HP My rooms. Today the internet connection has drooped 5 time in 3 hours. This is getting crazy. 

Here are the out puts:

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 699000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK  
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed  

 

 
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
31 Locked QAM256 699000000 Hz -5.1 dBmV 35.9 dB 1149 5368
1 Locked QAM256 519000000 Hz -1.2 dBmV 37.2 dB 0 0
2 Locked QAM256 525000000 Hz -0.6 dBmV 37.4 dB 0 0
3 Locked QAM256 531000000 Hz -0.2 dBmV 37.9 dB 0 0
4 Locked QAM256 537000000 Hz -0.6 dBmV 37.7 dB 0 0
5 Locked QAM256 543000000 Hz -0.7 dBmV 37.4 dB 0 0
6 Locked QAM256 549000000 Hz -0.8 dBmV 37.6 dB 0 0
7 Locked QAM256 555000000 Hz -1.3 dBmV 37.5 dB 0 0
8 Locked QAM256 561000000 Hz -1.1 dBmV 37.3 dB 0 0
9 Locked QAM256 567000000 Hz -0.9 dBmV 37.2 dB 0 0
10 Locked QAM256 573000000 Hz -1.0 dBmV 37.4 dB 0 0
11 Locked QAM256 579000000 Hz -1.1 dBmV 37.2 dB 0 0
12 Locked QAM256 585000000 Hz -1.2 dBmV 37.4 dB 0 0
13 Locked QAM256 591000000 Hz -1.4 dBmV 37.1 dB 0 0
14 Locked QAM256 597000000 Hz -1.7 dBmV 37.1 dB 0 0
15 Locked QAM256 603000000 Hz -1.9 dBmV 37.1 dB 0 0
16 Locked QAM256 609000000 Hz -2.2 dBmV 37.0 dB 0 0
17 Locked QAM256 615000000 Hz -2.4 dBmV 36.8 dB 0 0
18 Locked QAM256 621000000 Hz -2.4 dBmV 36.8 dB 0 0
19 Locked QAM256 627000000 Hz -2.9 dBmV 36.7 dB 0 0
20 Locked QAM256 633000000 Hz -2.5 dBmV 37.0 dB 0 0
21 Locked QAM256 639000000 Hz -2.6 dBmV 36.9 dB 0 0
22 Locked QAM256 645000000 Hz -2.7 dBmV 36.7 dB 0 0
23 Locked QAM256 651000000 Hz -3.0 dBmV 36.8 dB 0 0
24 Locked QAM256 657000000 Hz -3.7 dBmV 36.6 dB 0 0
25 Locked QAM256 663000000 Hz -4.3 dBmV 36.2 dB 0 0
26 Locked QAM256 669000000 Hz -4.2 dBmV 36.3 dB 0 0
27 Locked QAM256 675000000 Hz -4.5 dBmV 36.0 dB 0 0
28 Locked QAM256 681000000 Hz -4.7 dBmV 35.9 dB 0 0
29 Locked QAM256 687000000 Hz -4.9 dBmV 36.1 dB 0 0
30 Locked QAM256 693000000 Hz -5.0 dBmV 36.1 dB 0 0
33 Locked Other 822000000 Hz -6.4 dBmV 29.0 dB 1415943 0

 

 
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 74 Locked SC-QAM 30100000 Hz 6400000 Hz 46.0 dBmV
2 73 Locked SC-QAM 36500000 Hz 6400000 Hz 45.3 dBmV
3 75 Locked SC-QAM 23700000 Hz 6400000 Hz 45.8 dBmV
4 76 Locked SC-QAM 17300000 Hz 6400000 Hz 45.5 dBmV

 

Event Log

The table below contains the log of events that the SB8200 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.

Time Priority Description
6-11-2018, 8:33:13 Warning(5) "MDD message timeout;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:40 Notice(6) "Honoring MDD; IP provisioning mode = IPv6"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:7:44 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:7:38 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:3:45 Critical(3) "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:1:30 Critical(3) "SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 7:55:30 Critical(3) "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:37 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:56 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:51 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:50 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:50 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

 

can anyone help?????

Regular Visitor

Problems with SB8200 dropping connection and rebooting

I just bought a SB8200 and I have now replaced it one and had a tech to my house twice to help get it working. The modem works and then the internet will lock up and I will have to reboot the router to get connection again. I was upgraded to 400mbs and I do not see more the 185 most of the time but sompetime I can see up to 365. The biggest problem I see is that I work form home and use my internet connection to run meeting in skype and HP My rooms. Today the internet connection has drooped 5 time in 3 hours. This is getting crazy. 

Here are the out puts:

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 699000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK  
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed  

 

 
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
31 Locked QAM256 699000000 Hz -5.1 dBmV 35.9 dB 1149 5368
1 Locked QAM256 519000000 Hz -1.2 dBmV 37.2 dB 0 0
2 Locked QAM256 525000000 Hz -0.6 dBmV 37.4 dB 0 0
3 Locked QAM256 531000000 Hz -0.2 dBmV 37.9 dB 0 0
4 Locked QAM256 537000000 Hz -0.6 dBmV 37.7 dB 0 0
5 Locked QAM256 543000000 Hz -0.7 dBmV 37.4 dB 0 0
6 Locked QAM256 549000000 Hz -0.8 dBmV 37.6 dB 0 0
7 Locked QAM256 555000000 Hz -1.3 dBmV 37.5 dB 0 0
8 Locked QAM256 561000000 Hz -1.1 dBmV 37.3 dB 0 0
9 Locked QAM256 567000000 Hz -0.9 dBmV 37.2 dB 0 0
10 Locked QAM256 573000000 Hz -1.0 dBmV 37.4 dB 0 0
11 Locked QAM256 579000000 Hz -1.1 dBmV 37.2 dB 0 0
12 Locked QAM256 585000000 Hz -1.2 dBmV 37.4 dB 0 0
13 Locked QAM256 591000000 Hz -1.4 dBmV 37.1 dB 0 0
14 Locked QAM256 597000000 Hz -1.7 dBmV 37.1 dB 0 0
15 Locked QAM256 603000000 Hz -1.9 dBmV 37.1 dB 0 0
16 Locked QAM256 609000000 Hz -2.2 dBmV 37.0 dB 0 0
17 Locked QAM256 615000000 Hz -2.4 dBmV 36.8 dB 0 0
18 Locked QAM256 621000000 Hz -2.4 dBmV 36.8 dB 0 0
19 Locked QAM256 627000000 Hz -2.9 dBmV 36.7 dB 0 0
20 Locked QAM256 633000000 Hz -2.5 dBmV 37.0 dB 0 0
21 Locked QAM256 639000000 Hz -2.6 dBmV 36.9 dB 0 0
22 Locked QAM256 645000000 Hz -2.7 dBmV 36.7 dB 0 0
23 Locked QAM256 651000000 Hz -3.0 dBmV 36.8 dB 0 0
24 Locked QAM256 657000000 Hz -3.7 dBmV 36.6 dB 0 0
25 Locked QAM256 663000000 Hz -4.3 dBmV 36.2 dB 0 0
26 Locked QAM256 669000000 Hz -4.2 dBmV 36.3 dB 0 0
27 Locked QAM256 675000000 Hz -4.5 dBmV 36.0 dB 0 0
28 Locked QAM256 681000000 Hz -4.7 dBmV 35.9 dB 0 0
29 Locked QAM256 687000000 Hz -4.9 dBmV 36.1 dB 0 0
30 Locked QAM256 693000000 Hz -5.0 dBmV 36.1 dB 0 0
33 Locked Other 822000000 Hz -6.4 dBmV 29.0 dB 1415943 0

 

 
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 74 Locked SC-QAM 30100000 Hz 6400000 Hz 46.0 dBmV
2 73 Locked SC-QAM 36500000 Hz 6400000 Hz 45.3 dBmV
3 75 Locked SC-QAM 23700000 Hz 6400000 Hz 45.8 dBmV
4 76 Locked SC-QAM 17300000 Hz 6400000 Hz 45.5 dBmV

 

Event Log

The table below contains the log of events that the SB8200 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.

Time Priority Description
6-11-2018, 8:33:13 Warning(5) "MDD message timeout;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:40 Notice(6) "Honoring MDD; IP provisioning mode = IPv6"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:7:44 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:7:38 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:3:45 Critical(3) "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 8:1:30 Critical(3) "SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-11-2018, 7:55:30 Critical(3) "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:37 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:56 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:51 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:50 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:50 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

 

can anyone help?????

Connection Expert

Re: Problems with SB8200 dropping connection and rebooting

Some of the downstream channel's power levels and some othe SNR's are on the low / weak side and may be intermittently fluctuating even farther out of spec. That can cause random disconnects, spontaneous re-booting of the modem, and speed and latency problems.

In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. Splitters should be swapped with known to be good / new ones to test

If there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two way splitter connected directly off of the drop from the street/pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed, and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct.





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Cable Expert

Re: Problems with SB8200 dropping connection and rebooting

Hi @ajm957,

Your error log confirms your connection issues.

I've asked an employee to check the CMTS for real-time and historical RF signal reports from your modem. They can also check your local node/plant for any degradation or error reports. You can expect a reply in this thread. 

 

While you wait for a reply: See the troubleshooting guide.




Community Icon
I am not a Comcast employee, I am a paying customer just like you!
I am an XFINITY Forum Expert and I am here to help. For information on the program click here.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Mark a Best Answer!solution Icon
Community Icon
I am not a Comcast employee. I am a paying customer just like you!
I am an XFINITY Forum Expert and I am here to help.
We ask that you post publicly so people with similar questions may benefit.
Was your question answered? Mark a Best Answer!solution Icon
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Regular Visitor

Re: Problems with SB8200 dropping connection and rebooting

I checked all the connections for the 4th time. Their is only one powered splitter in my house. The tech checked all the same connections both times he was onsite. The only thing I do not believe has been checked is the connection at the pedestal. Being in an online class this week the internet is just so bad that I get 15 to 30 min and then everything drops.  I will look to see if I have a good 2-way splitter and connect the modem to it off the main and connect the other side tot he splitter for the tv's in my house. The powered splitter in my house is an 8-way powered splitter but I am only using 3 ports 2 for tv's and 1 for the modem. 

Official Employee

Re: Problems with SB8200 dropping connection and rebooting

Hello, 

I would like to look into this for you from here. To protect the privacy of your account, can you provide your full name, street address including city, state, and zip code (and apartment number if one is associated), and the full account number or phone number associated with your services. To send a private message click on my name, then click private message me.


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Regular Visitor

Re: Problems with SB8200 dropping connection and rebooting

I sent you a private message

Regular Visitor

Re: Problems with SB8200 dropping connection and rebooting

I did as suggested and added a splitter off the main line in and split the signal to go directly to the modem and a seprate link to the tv.

Here is what it looks like now:

Connection

The status listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 693000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK  
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed  

 
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
30 Locked QAM256 693000000 Hz -4.8 dBmV 35.7 dB 0 0
1 Locked QAM256 519000000 Hz -0.7 dBmV 37.1 dB 0 0
2 Locked QAM256 525000000 Hz -0.5 dBmV 37.4 dB 0 0
3 Locked QAM256 531000000 Hz 0.3 dBmV 37.5 dB 0 0
4 Locked QAM256 537000000 Hz -0.3 dBmV 37.5 dB 0 0
5 Locked QAM256 543000000 Hz -0.2 dBmV 37.4 dB 0 0
6 Locked QAM256 549000000 Hz -0.5 dBmV 37.3 dB 0 0
7 Locked QAM256 555000000 Hz -0.8 dBmV 37.3 dB 0 0
8 Locked QAM256 561000000 Hz -0.8 dBmV 37.3 dB 0 0
9 Locked QAM256 567000000 Hz -0.5 dBmV 37.3 dB 0 0
10 Locked QAM256 573000000 Hz -0.6 dBmV 37.3 dB 0 0
11 Locked QAM256 579000000 Hz -0.8 dBmV 37.2 dB 0 0
12 Locked QAM256 585000000 Hz -0.7 dBmV 37.1 dB 0 0
13 Locked QAM256 591000000 Hz -1.0 dBmV 37.1 dB 0 0
14 Locked QAM256 597000000 Hz -1.2 dBmV 37.0 dB 0 0
15 Locked QAM256 603000000 Hz -1.6 dBmV 36.9 dB 0 0
16 Locked QAM256 609000000 Hz -2.0 dBmV 37.0 dB 0 0
17 Locked QAM256 615000000 Hz -1.9 dBmV 36.8 dB 0 0
18 Locked QAM256 621000000 Hz -2.3 dBmV 36.8 dB 0 0
19 Locked QAM256 627000000 Hz -2.5 dBmV 36.6 dB 0 0
20 Locked QAM256 633000000 Hz -2.2 dBmV 36.8 dB 0 0
21 Locked QAM256 639000000 Hz -2.3 dBmV 36.7 dB 0 0
22 Locked QAM256 645000000 Hz -2.2 dBmV 36.6 dB 0 0
23 Locked QAM256 651000000 Hz -2.5 dBmV 36.6 dB 0 0
24 Locked QAM256 657000000 Hz -2.8 dBmV 36.5 dB 0 0
25 Locked QAM256 663000000 Hz -3.6 dBmV 36.1 dB 0 0
26 Locked QAM256 669000000 Hz -3.4 dBmV 36.3 dB 0 0
27 Locked QAM256 675000000 Hz -4.3 dBmV 36.0 dB 0 0
28 Locked QAM256 681000000 Hz -4.3 dBmV 35.9 dB 1 0
29 Locked QAM256 687000000 Hz -4.8 dBmV 35.7 dB 0 0
31 Locked QAM256 699000000 Hz -5.1 dBmV 35.5 dB 124476 150774
33 Locked Other 822000000 Hz -5.5 dBmV 29.0 dB 6442321 0

 
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 76 Locked SC-QAM 17300000 Hz 6400000 Hz 45.5 dBmV
2 73 Locked SC-QAM 36500000 Hz 6400000 Hz 45.0 dBmV
3 74 Locked SC-QAM 30100000 Hz 6400000 Hz 45.8 dBmV
4 75 Locked SC-QAM 23700000 Hz 6400000 Hz 45.5 dBmV

 

Current System Time: Wed Jun 13 07:33:12 2018

Event Log

The table below contains the log of events that the SB8200 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.

Time Priority Description
6-13-2018, 6:4:24 Warning(5) "MDD message timeout;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 19:28:3 Critical(3) "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:43 Notice(6) "Honoring MDD; IP provisioning mode = IPv6"
1-1-1970, 0:0:39 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 19:26:46 Critical(3) "Resetting the cable modem due to docsDevResetNow"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:7 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:6 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:5 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:5 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:4 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:42:4 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:41:59 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:41:59 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:41:58 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:2:24 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:2 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:2 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:1 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:1 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:1 Critical(3) "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:34:1 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:31:35 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:31:29 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:29:1 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:28:55 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:26:49 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 17:26:43 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:52:7 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:52:2 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:52:2 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:52:2 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:50:49 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:50:46 Critical(3) "REG-RSP - invalid format or not recognized;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
6-12-2018, 9:50:46 Critical(3) "REG RSP not received;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:38 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:55 Critical(3) "No Ranging Response received - T3 time-out;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:01:5c:87:0e:6f;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:51 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:51 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:1:50 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
1-1-1970, 0:0:33 Critical(3) "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=3c:04:61:ff:6b:55;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

 

It looks worse i think?

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