on 08-02-2023 18:15
I've been having extremely slow upload speeds for months and no one on virgin medias helpline seems to know what they're doing. After multiple technician visits and phone calls, nothing has been sorted. Was hoping someone on here could help me out. Thanks
Answered! Go to Answer
on 27-02-2023 14:20
Have been monitoring my internet connection since and it has been really unstable. There’s times where the upstream bonded channels modulation drop unanimously to 16 qam. Even from this link you can see how the connection is sometimes non-existent. So the problems are still there. What’s the next step forward apart from moving to another isp which is going to very likely considering the months of appalling service
on 08-02-2023 18:35
on 08-02-2023 18:37
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 331000000 | 7 | 40 | 256 qam | 25 |
2 | 203000000 | 6.3 | 40 | 256 qam | 9 |
3 | 211000000 | 6.1 | 40 | 256 qam | 10 |
4 | 219000000 | 6.3 | 40 | 256 qam | 11 |
5 | 227000000 | 5.9 | 40 | 256 qam | 12 |
6 | 235000000 | 6 | 40 | 256 qam | 13 |
7 | 243000000 | 6 | 40 | 256 qam | 14 |
8 | 251000000 | 5.9 | 40 | 256 qam | 15 |
9 | 259000000 | 6 | 40 | 256 qam | 16 |
10 | 267000000 | 6.4 | 40 | 256 qam | 17 |
11 | 275000000 | 6.4 | 40 | 256 qam | 18 |
12 | 283000000 | 6.4 | 40 | 256 qam | 19 |
13 | 291000000 | 6.8 | 40 | 256 qam | 20 |
14 | 299000000 | 7 | 40 | 256 qam | 21 |
15 | 307000000 | 7.1 | 40 | 256 qam | 22 |
16 | 315000000 | 7 | 40 | 256 qam | 23 |
17 | 323000000 | 7.1 | 40 | 256 qam | 24 |
18 | 339000000 | 7 | 40 | 256 qam | 26 |
19 | 347000000 | 6.5 | 40 | 256 qam | 27 |
20 | 355000000 | 5.8 | 40 | 256 qam | 28 |
21 | 363000000 | 5.5 | 40 | 256 qam | 29 |
22 | 371000000 | 4.8 | 40 | 256 qam | 30 |
23 | 379000000 | 5.6 | 40 | 256 qam | 31 |
24 | 387000000 | 6 | 40 | 256 qam | 32 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 40.3 | 5 | 0 |
2 | Locked | 40.9 | 4 | 0 |
3 | Locked | 40.3 | 4 | 0 |
4 | Locked | 40.9 | 6 | 0 |
5 | Locked | 40.3 | 5 | 0 |
6 | Locked | 40.3 | 5 | 0 |
7 | Locked | 40.3 | 6 | 0 |
8 | Locked | 40.3 | 0 | 0 |
9 | Locked | 40.3 | 5 | 0 |
10 | Locked | 40.3 | 4 | 0 |
11 | Locked | 40.3 | 5 | 0 |
12 | Locked | 40.9 | 0 | 0 |
13 | Locked | 40.3 | 5 | 0 |
14 | Locked | 40.3 | 4 | 0 |
15 | Locked | 40.3 | 5 | 0 |
16 | Locked | 40.9 | 16 | 0 |
17 | Locked | 40.9 | 17 | 0 |
18 | Locked | 40.3 | 7 | 0 |
19 | Locked | 40.3 | 6 | 0 |
20 | Locked | 40.3 | 1 | 0 |
21 | Locked | 40.3 | 5 | 0 |
22 | Locked | 40.3 | 7 | 0 |
23 | Locked | 40.3 | 10 | 0 |
24 | Locked | 40.3 | 1 | 0 |
on 08-02-2023 18:38
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 36600000 | 37.5 | 5120 | 64 qam | 3 |
2 | 43100000 | 37.5 | 5120 | 64 qam | 2 |
3 | 30100000 | 37.3 | 5120 | 64 qam | 7 |
4 | 49600000 | 37.8 | 5120 | 32 qam | 1 |
5 | 23600015 | 37 | 5120 | 64 qam | 9 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 30 | 0 |
2 | ATDMA | 0 | 0 | 28 | 0 |
3 | ATDMA | 0 | 0 | 32 | 0 |
4 | ATDMA | 0 | 0 | 37 | 0 |
5 | ATDMA | 0 | 0 | 37 | 0 |
on 08-02-2023 18:38
Time Priority Description
08/02/2023 16:42:5 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:41:55 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:41:55 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:40:29 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:40:5 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:40:5 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:39:22 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:15:45 | critical | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:51 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:50 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:50 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:21 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:21 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:11:21 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:10:44 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:10:43 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 16:10:43 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 15:34:45 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 15:34:35 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08/02/2023 15:34:35 | critical | Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
08-02-2023 18:43 - edited 08-02-2023 18:46
on 09-02-2023 14:46
on 09-02-2023 15:23
Thanks for the tip. Done the pinned reset and the channel showing as 32 qam has switched to 64 qam as shown. Will keep an eye on it and keep you updated if it reverts or the problems persist.
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 23600000 | 37.4 | 5120 | 64 qam | 9 |
2 | 30100000 | 37.8 | 5120 | 64 qam | 7 |
3 | 49600000 | 38 | 5120 | 64 qam | 1 |
4 | 36600000 | 37.8 | 5120 | 64 qam | 3 |
5 | 43100000 | 38 | 5120 | 64 qam | 2 |
on 09-02-2023 15:43
on 09-02-2023 17:02
Well if you thought one channel on 32qam was bad...
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 23600839 | 37.1 | 5120 | 16 qam | 9 |
2 | 30098878 | 37.5 | 5120 | 16 qam | 7 |
3 | 49599653 | 38 | 5120 | 16 qam | 1 |
4 | 36599454 | 37.7 | 5120 | 16 qam | 3 |
5 | 43100512 | 37.7 | 5120 | 16 qam | 2 |
.
qam numbers constantly fluctuate and since copying the table a few minutes ago, they've gone back to "normal".
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 2 | 0 |
2 | ATDMA | 0 | 0 | 3 | 0 |
3 | ATDMA | 0 | 0 | 0 | 0 |
4 | ATDMA | 0 | 0 | 2 | 0 |
5 | ATDMA | 0 | 0 | 5 | 0 |