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Frequent connection issues

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Frequent connection issues

The connection quality is very poor recently. My connection dropped 3 times this morning!

Log from cable model:

2019-04-07, 09:57:03 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=14:59:c0:f7:da:b0;CMTS-MAC=00:01:5c:ab:82:59;CM-QOS=1.1;CM-VER=3.1;

 

2019-04-07, 10:02:21 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=14:59:c0:f7:da:b0;CMTS-MAC=00:01:5c:ab:82:59;CM-QOS=1.1;CM-VER=3.1;
2019-04-07, 10:17:33 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=14:59:c0:f7:da:b0;CMTS-MAC=00:01:5c:ab:82:59;CM-QOS=1.1;CM-VER=3.1;
2019-04-07, 10:17:32 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=14:59:c0:f7:da:b0;CMTS-MAC=00:01:5c:ab:82:59;CM-QOS=1.1;CM-VER=3.1;
2019-04-07, 10:12:59 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=14:59:c0:f7:da:b0;CMTS-MAC=00:01:5c:ab:82:59;CM-QOS=1.1;CM-VER=3.1;

 

<tabindex=-1>Downstream Bonded Channels</tabindex=-1>
Channel Lock Status Modulation Channel ID Frequency Power SNR / MER Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked QAM256 42 627000000 Hz 3.2 dBmV 43.7 dB 3920174543 1967 5304
2 Locked QAM256 12 435000000 Hz 3.6 dBmV 44.2 dB 1804072075 1770 3810
3 Locked QAM256 13 441000000 Hz 3.5 dBmV 44.0 dB 1804055205 1801 3686
4 Locked QAM256 14 447000000 Hz 3.5 dBmV 44.4 dB 1804159122 1833 3472
5 Locked QAM256 15 453000000 Hz 3.8 dBmV 44.3 dB 1804204641 1648 3508
6 Locked QAM256 16 459000000 Hz 3.8 dBmV 44.3 dB 1804252267 1744 3516
7 Locked QAM256 17 465000000 Hz 3.7 dBmV 44.4 dB 1804297779 1760 3551
8 Locked QAM256 18 471000000 Hz 3.6 dBmV 44.3 dB 1804344247 1737 3511
9 Locked QAM256 19 477000000 Hz 3.7 dBmV 44.3 dB 1264211274 1409 3094
10 Locked QAM256 20 483000000 Hz 3.7 dBmV 44.4 dB 1264260153 1425 2959
11 Locked QAM256 21 489000000 Hz 3.7 dBmV 44.3 dB 1264308264 1476 2820
12 Locked QAM256 22 495000000 Hz 3.7 dBmV 43.7 dB 1264354924 1550 2796
13 Locked QAM256 23 507000000 Hz 3.6 dBmV 43.9 dB 1264397472 1426 3091
14 Locked QAM256 24 513000000 Hz 3.7 dBmV 44.2 dB 1264442539 1412 3006
15 Locked QAM256 25 519000000 Hz 3.7 dBmV 44.2 dB 1264489793 1276 2621
16 Locked QAM256 26 525000000 Hz 3.7 dBmV 44.4 dB 1264535021 1488 2536
17 Locked QAM256 27 531000000 Hz 3.7 dBmV 43.7 dB 57191406 28 0
18 Locked QAM256 28 543000000 Hz 3.2 dBmV 44.0 dB 57277163 26 0
19 Locked QAM256 29 549000000 Hz 3.1 dBmV 43.8 dB 57362602 41 0
20 Locked QAM256 30 555000000 Hz 3.1 dBmV 43.8 dB 57448632 50 0
21 Locked QAM256 31 561000000 Hz 3.2 dBmV 43.7 dB 57534940 24 17
22 Locked QAM256 32 567000000 Hz 3.1 dBmV 43.3 dB 57620890 17 0
23 Locked QAM256 33 573000000 Hz 3.0 dBmV 43.6 dB 57707182 26 0
24 Locked QAM256 34 579000000 Hz 3.0 dBmV 43.6 dB 57793190 15 0
25 Locked QAM256 35 585000000 Hz 3.1 dBmV 43.5 dB 57878209 0 0
26 Locked QAM256 36 591000000 Hz 3.1 dBmV 43.6 dB 57963978 26 0
27 Locked QAM256 37 597000000 Hz 3.2 dBmV 43.8 dB 58050622 0 0
28 Locked QAM256 38 603000000 Hz 3.3 dBmV 43.3 dB 58150991 12 0
29 Locked QAM256 39 609000000 Hz 3.0 dBmV 43.6 dB 58258810 26 0
30 Locked QAM256 40 615000000 Hz 2.9 dBmV 42.6 dB 58234588 0 0
31 Locked QAM256 41 621000000 Hz 3.1 dBmV 42.8 dB 58251316 0 0
32 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 0

 

One interesting thing is channel 1-16 have a lot of Uncorrectable Codewords... 

 

 

Expert

Re: Frequent connection issues

Please post the stats for the upstream channels as well.



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New Poster

Re: Frequent connection issues

<tabindex=-1>Upstream Bonded Channels</tabindex=-1>
Channel Lock Status Modulation Channel ID Frequency Power
1 Locked ATDMA 1 17300000 Hz 40.3 dBmV
2 Locked ATDMA 2 23700000 Hz 41.0 dBmV
3 Locked ATDMA 3 30300000 Hz 41.3 dBmV
4 Locked ATDMA 4 36700000 Hz 41.5 dBmV
5 Not Locked Unknown 0 0 Hz 0.0 dBmV
6 Not Locked Unknown 0 0 Hz 0.0 dBmV
7 Not Locked Unknown 0 0 Hz 0.0 dBmV
8 Not Locked Unknown 0 0 Hz 0.0 dBmV

<tabindex=-1>Downstream OFDM Channels</tabindex=-1>
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power SNR / MER Active Subcarrier Number Range Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked 0, 255 48 688000000 Hz 4.4 dBmV 40.5 dB 1348 ~ 2747 48037163747 47147141614 1
2 Not Locked 0, 255 0 0 Hz 2.6 dBmV 0.0 dB 0 ~ 4095 0 0 0

<tabindex=-1>Upstream OFDMA Channels</tabindex=-1>
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked Unknown 0 0 Hz 0 dBmV
2 Not Locked Unknown 0 0 Hz 0 dBmV