26-05-2022 13:26 - edited 26-05-2022 13:27
Hello there. For the last month we are experiencing broadband outages and drops everyday.
Usually while checking Hub logs quickly I can notice a clear connection between Downstream Channels power drops and RCS errors appearing, however signal then gets back to normal until next outage. We've already had 3 engineer visits (last one yesterday, 4-7pm, said it was fine).
And after the last guy left we've experienced outage again around 10pm.
Outages are not so long, but extremely annoying because they are enough to disconnect everything.
BQM link:
Last outages happened just an hour and 30 minutes ago.
Answered! Go to Answer
on 17-06-2022 15:29
on 26-05-2022 15:12
on 26-05-2022 16:53
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 387000000 | 5.3 | 37 | 256 qam | 32 |
2 | 203000000 | 5.3 | 36 | 256 qam | 9 |
3 | 211000000 | 5 | 35 | 256 qam | 10 |
4 | 219000000 | 5.4 | 36 | 256 qam | 11 |
5 | 227000000 | 5.4 | 36 | 256 qam | 12 |
6 | 235000000 | 5.1 | 36 | 256 qam | 13 |
7 | 243000000 | 4.8 | 36 | 256 qam | 14 |
8 | 251000000 | 4.8 | 36 | 256 qam | 15 |
9 | 259000000 | 5 | 36 | 256 qam | 16 |
10 | 267000000 | 5.5 | 36 | 256 qam | 17 |
11 | 275000000 | 5 | 36 | 256 qam | 18 |
12 | 283000000 | 5 | 37 | 256 qam | 19 |
13 | 291000000 | 5.4 | 37 | 256 qam | 20 |
14 | 299000000 | 6 | 37 | 256 qam | 21 |
15 | 307000000 | 6 | 37 | 256 qam | 22 |
16 | 315000000 | 5.9 | 37 | 256 qam | 23 |
17 | 323000000 | 5.9 | 37 | 256 qam | 24 |
18 | 331000000 | 6 | 37 | 256 qam | 25 |
19 | 339000000 | 6.1 | 37 | 256 qam | 26 |
20 | 347000000 | 5.9 | 37 | 256 qam | 27 |
21 | 355000000 | 5.5 | 37 | 256 qam | 28 |
22 | 363000000 | 5.4 | 37 | 256 qam | 29 |
23 | 371000000 | 5.5 | 37 | 256 qam | 30 |
24 | 379000000 | 5.5 | 37 | 256 qam | 31 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 37.3 | 1147 | 2658 |
2 | Locked | 36.3 | 3714 | 2936 |
3 | Locked | 35.7 | 4067 | 2756 |
4 | Locked | 36.3 | 3193 | 2803 |
5 | Locked | 36.6 | 2848 | 2641 |
6 | Locked | 36.6 | 2765 | 2493 |
7 | Locked | 36.3 | 2524 | 2533 |
8 | Locked | 36.6 | 2458 | 2529 |
9 | Locked | 36.3 | 2314 | 2356 |
10 | Locked | 36.6 | 2104 | 2585 |
11 | Locked | 36.6 | 2012 | 2577 |
12 | Locked | 37.3 | 1742 | 2553 |
13 | Locked | 37.6 | 1707 | 2494 |
14 | Locked | 37.3 | 1619 | 2460 |
15 | Locked | 37.6 | 1539 | 2359 |
16 | Locked | 37.3 | 1462 | 2450 |
17 | Locked | 37.3 | 1346 | 2421 |
18 | Locked | 37.6 | 1324 | 2297 |
19 | Locked | 37.6 | 1284 | 2653 |
20 | Locked | 37.6 | 1257 | 2533 |
21 | Locked | 37.6 | 1203 | 2574 |
22 | Locked | 37.3 | 1263 | 2689 |
23 | Locked | 37.6 | 1217 | 2373 |
24 | Locked | 37.3 | 1164 | 2396 |
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 46200000 | 38.5 | 5120 | 64 qam | 3 |
2 | 32600000 | 37.5 | 5120 | 64 qam | 5 |
3 | 39400000 | 38.5 | 5120 | 64 qam | 4 |
4 | 53700000 | 39 | 5120 | 64 qam | 2 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 6 | 0 |
3 | ATDMA | 0 | 0 | 8 | 0 |
4 | ATDMA | 0 | 0 | 3 | 0 |
on 26-05-2022 16:57
Time Priority Description
26/05/2022 14:21:55 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 11:07:20 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 11:05:14 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 11:05:14 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 02:05:26 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 02:05:26 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
26/05/2022 01:09:12 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 22:50:0 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 17:39:34 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 16:00:9 | notice | LAN login Success;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 13:57:1 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 13:55:58 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=X;CMTS-MAC=XCM-QOS=1.1;CM-VER=3.0; |
25/05/2022 05:51:56 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
25/05/2022 05:51:56 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 23:30:59 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 16:13:23 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 11:01:50 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 10:58:24 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 10:57:51 | critical | No Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
24/05/2022 09:59:35 | Warning! | RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0; |
on 26-05-2022 17:03
on 26-05-2022 17:08
Ok, thanks for the guide, will do this right away.
on 26-05-2022 18:19
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 46199998 | 38.5 | 5120 | 64 qam | 3 |
2 | 32599974 | 38.5 | 5120 | 64 qam | 5 |
3 | 39400019 | 38.5 | 5120 | 64 qam | 4 |
4 | 53700004 | 38.5 | 5120 | 64 qam | 2 |
just wanted to share that Power graph became suspiciously good after the reboot
also so far so good
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 37.6 | 0 | 0 |
2 | Locked | 36.3 | 7 | 0 |
3 | Locked | 35.7 | 4 | 0 |
4 | Locked | 36.3 | 5 | 0 |
5 | Locked | 36.6 | 4 | 0 |
6 | Locked | 36.3 | 4 | 0 |
7 | Locked | 36.6 | 5 | 0 |
8 | Locked | 36.3 | 0 | 0 |
9 | Locked | 36.3 | 0 | 0 |
10 | Locked | 36.6 | 5 | 0 |
11 | Locked | 36.3 | 0 | 0 |
12 | Locked | 37.3 | 0 | 0 |
13 | Locked | 37.3 | 6 | 0 |
14 | Locked | 37.3 | 5 | 0 |
15 | Locked | 37.6 | 4 | 0 |
16 | Locked | 37.6 | 5 | 0 |
17 | Locked | 37.6 | 0 | 0 |
18 | Locked | 37.6 | 5 | 0 |
19 | Locked | 37.6 | 5 | 0 |
20 | Locked | 37.6 | 5 | 0 |
21 | Locked | 37.6 | 0 | 0 |
22 | Locked | 37.6 | 0 | 0 |
23 | Locked | 37.6 | 4 | 0 |
24 | Locked | 37.3 | 5 | 0 |
on 26-05-2022 22:23
So for now the issue seems to be gone, though I've noticed that latency spikes are now more frequent and higher overall.
on 26-05-2022 23:43
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 387000000 | 3.9 | 37 | 256 qam | 32 |
2 | 203000000 | 3.9 | 36 | 256 qam | 9 |
3 | 211000000 | 3.7 | 35 | 256 qam | 10 |
4 | 219000000 | 4 | 36 | 256 qam | 11 |
5 | 227000000 | 4 | 36 | 256 qam | 12 |
6 | 235000000 | 3.9 | 36 | 256 qam | 13 |
7 | 243000000 | 3.5 | 36 | 256 qam | 14 |
8 | 251000000 | 3.4 | 36 | 256 qam | 15 |
9 | 259000000 | 3.7 | 36 | 256 qam | 16 |
10 | 267000000 | 4.1 | 36 | 256 qam | 17 |
11 | 275000000 | 3.7 | 36 | 256 qam | 18 |
12 | 283000000 | 3.7 | 37 | 256 qam | 19 |
13 | 291000000 | 4 | 37 | 256 qam | 20 |
14 | 299000000 | 4.6 | 37 | 256 qam | 21 |
15 | 307000000 | 4.6 | 37 | 256 qam | 22 |
16 | 315000000 | 4.5 | 37 | 256 qam | 23 |
17 | 323000000 | 4.5 | 37 | 256 qam | 24 |
18 | 331000000 | 4.6 | 37 | 256 qam | 25 |
19 | 339000000 | 4.9 | 37 | 256 qam | 26 |
20 | 347000000 | 4.6 | 37 | 256 qam | 27 |
21 | 355000000 | 4.1 | 37 | 256 qam | 28 |
22 | 363000000 | 4.1 | 37 | 256 qam | 29 |
23 | 371000000 | 4.3 | 37 | 256 qam | 30 |
24 | 379000000 | 4.3 | 37 | 256 qam | 31 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 37.3 | 22 | 27 |
2 | Locked | 36.3 | 74 | 32 |
3 | Locked | 35.7 | 86 | 30 |
4 | Locked | 36.3 | 56 | 32 |
5 | Locked | 36.6 | 49 | 37 |
6 | Locked | 36.6 | 50 | 32 |
7 | Locked | 36.3 | 42 | 35 |
8 | Locked | 36.6 | 37 | 28 |
9 | Locked | 36.3 | 43 | 33 |
10 | Locked | 36.6 | 41 | 31 |
11 | Locked | 36.3 | 39 | 37 |
12 | Locked | 37.3 | 38 | 31 |
13 | Locked | 37.3 | 32 | 28 |
14 | Locked | 37.3 | 34 | 27 |
15 | Locked | 37.6 | 40 | 25 |
16 | Locked | 37.3 | 38 | 26 |
17 | Locked | 37.6 | 44 | 24 |
18 | Locked | 37.3 | 43 | 26 |
19 | Locked | 37.6 | 42 | 25 |
20 | Locked | 37.6 | 48 | 27 |
21 | Locked | 37.6 | 48 | 29 |
22 | Locked | 37.6 | 43 | 24 |
23 | Locked | 37.6 | 29 | 25 |
24 | Locked | 37.6 | 28 | 25 |
on 26-05-2022 23:45
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 46199998 | 40 | 5120 | 64 qam | 3 |
2 | 32599974 | 39 | 5120 | 64 qam | 5 |
3 | 39400019 | 39 | 5120 | 64 qam | 4 |
4 | 53700004 | 40.5 | 5120 | 64 qam | 2 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 1 | 0 |
3 | ATDMA | 0 | 0 | 0 | 0 |
4 | ATDMA | 0 | 0 | 0 | 0 |