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Batteen
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Mon, Jun 15, 2020 11:00 AM

Internet Keeps dropping and reconnecting

My internet keeps dropping and re-connecting. I am using a SB6190 modem. Hoping someone can look at my logs and tell me what to try to fix it. Thanks.

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1 y ago

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EG

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86.5K Messages

1 y ago

.@Batteen

 

Can't see your pics. Since you are a new poster, they need to be approved by a Forum Admin. That could take some time. In the interim, you could try hosting them at one of those free third-party pic hosting sites like Imgur or Photobucket and post the link to them here.

Or copy all of the text of the status page and paste it into the body of your next post here.

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Batteen

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7 Messages

1 y ago

Here is the text from my modem

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

 

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Corrected Uncorrectables
1 Locked 256QAM 9 513.00 MHz 9.70 dBmV 37.64 dB 1982 7532
2 Locked 256QAM 5 483.00 MHz 12.30 dBmV 38.61 dB 1460 8429
3 Locked 256QAM 6 489.00 MHz 12.10 dBmV 38.61 dB 1228 8568
4 Locked 256QAM 7 495.00 MHz 11.80 dBmV 38.61 dB 1051 8989
5 Locked 256QAM 8 507.00 MHz 10.60 dBmV 37.64 dB 1075 7504
6 Locked 256QAM 10 519.00 MHz 9.30 dBmV 37.36 dB 2139 7947
7 Locked 256QAM 11 525.00 MHz 9.50 dBmV 37.64 dB 1476 9901
8 Locked 256QAM 12 531.00 MHz 10.10 dBmV 37.64 dB 1189 7491
9 Locked 256QAM 13 543.00 MHz 10.80 dBmV 37.64 dB 1313 6993
10 Locked 256QAM 14 549.00 MHz 11.20 dBmV 37.64 dB 1118 5432
11 Locked 256QAM 15 555.00 MHz 11.50 dBmV 37.36 dB 843 8035
12 Locked 256QAM 16 561.00 MHz 11.90 dBmV 38.61 dB 1707 9221
13 Locked 256QAM 17 567.00 MHz 11.80 dBmV 38.61 dB 1026 8991
14 Locked 256QAM 18 573.00 MHz 11.90 dBmV 37.36 dB 977 8598
15 Locked 256QAM 19 579.00 MHz 11.90 dBmV 38.98 dB 1061 8566
16 Locked 256QAM 20 585.00 MHz 12.00 dBmV 37.64 dB 1091 9431
17 Locked 256QAM 21 591.00 MHz 12.00 dBmV 37.64 dB 1255 7485
18 Locked 256QAM 22 597.00 MHz 12.00 dBmV 37.64 dB 1127 6156
19 Locked 256QAM 23 603.00 MHz 11.70 dBmV 37.36 dB 1017 8222
20 Locked 256QAM 24 609.00 MHz 11.50 dBmV 37.64 dB 1027 7590
21 Locked 256QAM 25 615.00 MHz 11.60 dBmV 37.64 dB 930 7865
22 Locked 256QAM 26 621.00 MHz 11.70 dBmV 37.36 dB 700 5555
23 Locked 256QAM 27 627.00 MHz 11.60 dBmV 37.64 dB 1449 5756
24 Locked 256QAM 28 633.00 MHz 11.40 dBmV 37.36 dB 1396 7036
25 Locked 256QAM 29 639.00 MHz 11.70 dBmV 37.90 dB 181 3295
26 Locked 256QAM 30 645.00 MHz 11.60 dBmV 37.60 dB 193 4567
27 Locked 256QAM 31 651.00 MHz 11.80 dBmV 37.60 dB 225 3234
28 Locked 256QAM 32 657.00 MHz 12.00 dBmV 37.90 dB 172 3604
29 Locked 256QAM 33 663.00 MHz 11.80 dBmV 37.30 dB 236 3627
30 Locked 256QAM 34 669.00 MHz 11.00 dBmV 36.90 dB 237 2840
31 Locked 256QAM 35 675.00 MHz 10.70 dBmV 36.90 dB 322 4211
32 Locked 256QAM 36 681.00 MHz 11.00 dBmV 37.30 dB 257 3521

 

Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 4 5120 kSym/s 36.50 MHz 35.75 dBmV
2 Locked ATDMA 5 1280 kSym/s 41.20 MHz 36.50 dBmV
3 Locked ATDMA 3 5120 kSym/s 30.10 MHz 35.25 dBmV
4 Locked ATDMA 2 5120 kSym/s 23.70 MHz 35.25 dBmV
5 Locked ATDMA 1 5120 kSym/s 17.30 MHz 35.25 dBmV

 

Event Log
Time Priority Description
Sun Jun 14 19:08:28 2020 3 Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:08:28 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:10:18 2020 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:13:10 2020 6 TLV-11 - unrecognized OID;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:33:21 2020 3 Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:33:22 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:43:20 2020 3 Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:43:21 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:44:32 2020 3 Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Sun Jun 14 19:44:32 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:08:19 2020 5 RCS Partial Service;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:35:45 2020 6 TLV-11 - unrecognized OID;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:48:02 2020 3 Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:52:49 2020 5 RCS Partial Service;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:53:21 2020 3 Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 09:53:21 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 10:53:23 2020 5 RCS Partial Service;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 11:27:37 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 11:27:37 2020 5 RCS Partial Service;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;
Mon Jun 15 11:52:55 2020 3 No Ranging Response received - T3 time-out;CM-MAC=2c:7e:81:2a:f9:31;CMTS-MAC=00:38:df:9a:63:90;CM-QOS=1.1;CM-VER=3.0;

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EG

Expert

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86.5K Messages

1 y ago

The downstreamstream power is high. It may be overloading the front end tuner of the modem. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, and latency problems.

 

I would try using a 6dB attenuator pad like this one to knock it down in to being in spec;

 

https://www.amazon.com/6db-Attenuator-Pad-1-each/dp/B0013L48XA

 

No guarantees that this is the definite fix. YMMV. Good luck !

I am not a Comcast Employee.
I am a Customer Expert volunteering my time to help other customers here in the Forums.
We ask that you post publicly so people with similar questions may benefit from the conversation.
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