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Warren4200

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Internet Issues

Hello,

I am hoping someone can help me interpret my modem log.  I am having intermittent issues with my Internet service.  I have tried a new modem but went back to my Netgear CM500-100NAS as it seemed to have fewer issues than with the newer model (Arris).  

My service works most of the day but sometimes it just goes down for 5-10 minutes at a time.  And either it fixes itself or I have to reset the modem to get it going again.   At one point it seemed to happen every morning at the same time, but even that isnt super reliable anymore.

When the service is working it is blazing fast 200MB download, upload is around 10MB.  I thought maybe it was the heat here in Vegas, but this problem has been going on for months now  before it was super hot and I dont know what to do anymore....

Anyone have any ideas? 

Thanks so much,

Kyle

 
Time Priority Description
2021-8-15, 21:27:15 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:16 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:38 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:40 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:42 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:46 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.0;CM-VER=3.0;
2021-8-15, 21:27:53 Notice (6) Honoring MDD; IP provisioning mode = IPv4
2021-8-15, 21:27:53 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.0;CM-VER=3.0;
2021-8-15, 21:27:56 Warning (5) DHCP WARNING - Non-critical field invalid in response ;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:57 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:57 Notice (6) TLV-11 - unrecognized OID;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:27:58 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:28:46 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:28:47 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:56:58 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:56:58 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:00 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:02 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:04 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:04 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:06 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:08 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:08 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:10 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:11 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:12 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:13 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:14 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:16 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:16 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:18 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:18 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:21 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:22 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:24 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:24 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:25 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:26 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:27 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;
2021-8-15, 21:57:28 Critical (3) UCD invalid or channel unusable;CM-MAC=10:da:43:fc:70:f8;CMTS-MAC=00:aa:6e:c0:f2:b3;CM-QOS=1.1;CM-VER=3.0;

 
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Frequency start Value
This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Enter the new start frequency and restart the cable modem for it to take effect.
Starting Frequency
 
Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 807000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enabled BPI+
IP Provisioning Mode Honor MDD honorMdd(4)
 
Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 5 807000000 Hz -5 dBmV 41.5 dB 380 714
2 Locked QAM256 1 783000000 Hz -4.4 dBmV 42.1 dB 207 229
3 Locked QAM256 2 789000000 Hz -5 dBmV 41.5 dB 246 273
4 Locked QAM256 3 795000000 Hz -4.5 dBmV 41.8 dB 203 225
5 Locked QAM256 4 801000000 Hz -4.6 dBmV 41.7 dB 191 298
6 Locked QAM256 6 813000000 Hz -4.7 dBmV 41.6 dB 205 294
7 Locked QAM256 7 819000000 Hz -4.8 dBmV 41.7 dB 167 259
8 Locked QAM256 8 825000000 Hz -5.2 dBmV 41.2 dB 184 213
9 Locked QAM256 9 831000000 Hz -5.1 dBmV 41.3 dB 124 298
10 Locked QAM256 10 837000000 Hz -5.2 dBmV 41.2 dB 188 359
11 Locked QAM256 11 843000000 Hz -5.8 dBmV 40.2 dB 172 229
12 Locked QAM256 12 849000000 Hz -5.5 dBmV 40.9 dB 174 277
13 Locked QAM256 13 855000000 Hz -5.8 dBmV 40.5 dB 192 332
14 Locked QAM256 14 861000000 Hz -5.9 dBmV 40.2 dB 151 226
15 Locked QAM256 15 867000000 Hz -5.4 dBmV 40.7 dB 128 213
16 Locked QAM256 16 873000000 Hz -5.8 dBmV 40 dB 181 133
 
Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 4 5120 Ksym/sec 16900000 Hz 49.5 dBmV
2 Locked ATDMA 1 5120 Ksym/sec 36300000 Hz 49.5 dBmV
3 Locked ATDMA 2 5120 Ksym/sec 29900000 Hz 51 dBmV
4 Locked ATDMA 3 5120 Ksym/sec 23500000 Hz 49.5 dBmV
 
Current System Time:Sun Aug 15 22:47:23 2021

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BenS1

Former Moderator

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Hi @Warren4200
I completely understand the frustration of having an inconsistent internet signal. I do see a lot of timeouts on your modem. Are there any splitters or amplifiers that are connected to the coaxial that is screwed into the back of your modem? If so can you please bypass any splitters/amplifiers and plug it directly into the wall from the modem?
Ben S.
Cox Support Forums Moderator

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bearone2

Contributor III

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1.5K Messages

sounds like a modem issue, not cox signal!!

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