on 29-04-2022 14:00
Hello,
I'm getting generally decent performance and download speed from my VM connection, except on occasion when I am not. This most commonly happens when making a call via my work laptop and VPN, but can happen at other times.
BQM link is here: BQM
In the Hub (acting as Modem) logs I have a number of entries (at odd times) referring to "RCS Partial Service Error", "No Ranging Response received" and "SYNC Timing Synchronization failure". Log pasted below.
Any ideas?
Time Priority Description
29/04/2022 13:51:24 | notice | LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
29/04/2022 12:58:5 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
29/04/2022 03:52:12 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
29/04/2022 03:52:12 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
27/04/2022 04:07:26 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
27/04/2022 03:59:28 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
27/04/2022 01:38:10 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
27/04/2022 00:11:19 | notice | SW download Successful - Via NMS |
27/04/2022 00:09:40 | notice | SW Download INIT - Via NMS |
26/04/2022 15:15:46 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/04/2022 13:47:53 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/04/2022 13:42:20 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
24/04/2022 11:28:40 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
24/04/2022 07:31:38 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
24/04/2022 07:31:38 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
23/04/2022 09:29:59 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
22/04/2022 19:07:18 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/04/2022 19:01:19 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/04/2022 13:54:35 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/04/2022 10:21:8 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
on 29-04-2022 14:17
Can you post up the Downstream and Upstream data (and if you know, how long the hub's been running since last restart).
On your BQM the nasty bit yesterday evening is a routing problem affection all VM customers, but where it all falls to pieces after midday today, that's down to your ropey connection. If you can be bothered to read it, there's some stuff on the Network log messages here, but suffice to say what you have posted is confirming you have a skanky connection caused by noise or power faults.
on 29-04-2022 14:21
I just rebooted the Hub. I am vaguely aware of the regular evening Virgin performance issues, and got to the same place you had about the difference.
1 | 39399964 | 40.3 | 5120 | 64 qam | 12 |
2 | 32600024 | 40.3 | 5120 | 64 qam | 13 |
3 | 46200034 | 41.8 | 5120 | 64 qam | 11 |
4 | 53699979 | 42.8 | 5120 | 64 qam | 10 |
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 0 | 0 |
3 | ATDMA | 0 | 0 | 0 | 0 |
4 | ATDMA | 0 | 0 | 0 | 0 |
1 | 387000000 | 4.8 | 40 | 256 qam | 32 |
2 | 203000000 | 4.4 | 40 | 256 qam | 9 |
3 | 211000000 | 4.3 | 40 | 256 qam | 10 |
4 | 219000000 | 4.1 | 40 | 256 qam | 11 |
5 | 227000000 | 4 | 40 | 256 qam | 12 |
6 | 235000000 | 3.9 | 40 | 256 qam | 13 |
7 | 243000000 | 3.9 | 40 | 256 qam | 14 |
8 | 251000000 | 4 | 40 | 256 qam | 15 |
9 | 259000000 | 4 | 40 | 256 qam | 16 |
10 | 267000000 | 4 | 40 | 256 qam | 17 |
11 | 275000000 | 3.7 | 40 | 256 qam | 18 |
12 | 283000000 | 3.2 | 40 | 256 qam | 19 |
13 | 291000000 | 3.2 | 40 | 256 qam | 20 |
14 | 299000000 | 3.9 | 40 | 256 qam | 21 |
15 | 307000000 | 4.4 | 40 | 256 qam | 22 |
16 | 315000000 | 4.4 | 40 | 256 qam | 23 |
17 | 323000000 | 4.6 | 40 | 256 qam | 24 |
18 | 331000000 | 4.6 | 40 | 256 qam | 25 |
19 | 339000000 | 4.8 | 40 | 256 qam | 26 |
20 | 347000000 | 4.8 | 40 | 256 qam | 27 |
21 | 355000000 | 4.8 | 40 | 256 qam | 28 |
22 | 363000000 | 5 | 40 | 256 qam | 29 |
23 | 371000000 | 5 | 40 | 256 qam | 30 |
24 | 379000000 | 4.9 | 40 | 256 qam | 31 |
1 | Locked | 40.3 | 0 | 0 |
2 | Locked | 40.3 | 5 | 0 |
3 | Locked | 40.9 | 5 | 0 |
4 | Locked | 40.9 | 6 | 0 |
5 | Locked | 40.3 | 4 | 0 |
6 | Locked | 40.3 | 5 | 0 |
7 | Locked | 40.9 | 5 | 0 |
8 | Locked | 40.3 | 0 | 0 |
9 | Locked | 40.9 | 6 | 0 |
10 | Locked | 40.9 | 5 | 0 |
11 | Locked | 40.3 | 6 | 0 |
12 | Locked | 40.9 | 4 | 0 |
13 | Locked | 40.3 | 0 | 0 |
14 | Locked | 40.9 | 4 | 0 |
15 | Locked | 40.3 | 4 | 0 |
16 | Locked | 40.3 | 0 | 0 |
17 | Locked | 40.3 | 20 | 0 |
18 | Locked | 40.9 | 19 | 0 |
19 | Locked | 40.9 | 17 | 0 |
20 | Locked | 40.9 | 17 | 0 |
21 | Locked | 40.9 | 18 | 0 |
22 | Locked | 40.9 | 18 | 0 |
23 | Locked | 40.3 | 19 | 0 |
24 | Locked | 40.3 | 5 | 0 |
on 29-04-2022 14:53
All the downstream and upstream data looks good so far, though they would immediately after a reboot. If you can, let the hub run without a restart for 24-48 hours, and repost those numbers. Any routing outages won't affect the hub stats, but if you have further local breakdowns of the sort implied by the BQM from midday today, then those should hopefully leave some dirty footprints in addition to the network log.
on 29-04-2022 15:00
Just looked now and got this - Errors mounting up:
System up time | : 0 days 0h:56m:21s |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 40.3 | 21 | 49 |
2 | Locked | 40.3 | 1171 | 120 |
3 | Locked | 40.3 | 905 | 92 |
4 | Locked | 40.3 | 759 | 82 |
5 | Locked | 40.3 | 853 | 83 |
6 | Locked | 40.3 | 600 | 119 |
7 | Locked | 40.3 | 439 | 66 |
8 | Locked | 40.9 | 400 | 64 |
9 | Locked | 40.3 | 283 | 63 |
10 | Locked | 40.3 | 236 | 61 |
11 | Locked | 40.3 | 212 | 70 |
12 | Locked | 40.3 | 211 | 57 |
13 | Locked | 40.3 | 175 | 57 |
14 | Locked | 40.3 | 131 | 54 |
15 | Locked | 40.3 | 78 | 56 |
16 | Locked | 40.9 | 77 | 54 |
17 | Locked | 40.9 | 65 | 52 |
18 | Locked | 40.3 | 56 | 53 |
19 | Locked | 40.3 | 53 | 54 |
20 | Locked | 40.9 | 54 | 53 |
21 | Locked | 40.9 | 51 | 50 |
22 | Locked | 40.9 | 47 | 52 |
23 | Locked | 40.9 | 46 | 51 |
24 | Locked | 40.3 | 40 | 44 |
on 30-04-2022 20:52
Shouldn't have that amount of errors in less than an hour - I've marked for staff to take a look and see what needs to happen now - I suspect a technician is needed.
on 01-05-2022 13:51
More data:
System up time | : 1 days 23h:48m:15s |
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 387000000 | 3.7 | 40 | 256 qam | 32 |
2 | 203000000 | 2.7 | 40 | 256 qam | 9 |
3 | 211000000 | 2.5 | 40 | 256 qam | 10 |
4 | 219000000 | 2.5 | 40 | 256 qam | 11 |
5 | 227000000 | 2.5 | 40 | 256 qam | 12 |
6 | 235000000 | 2.4 | 40 | 256 qam | 13 |
7 | 243000000 | 2.4 | 40 | 256 qam | 14 |
8 | 251000000 | 2.5 | 40 | 256 qam | 15 |
9 | 259000000 | 2.5 | 40 | 256 qam | 16 |
10 | 267000000 | 2.5 | 40 | 256 qam | 17 |
11 | 275000000 | 2.4 | 40 | 256 qam | 18 |
12 | 283000000 | 2 | 40 | 256 qam | 19 |
13 | 291000000 | 1.9 | 40 | 256 qam | 20 |
14 | 299000000 | 2.7 | 40 | 256 qam | 21 |
15 | 307000000 | 3.2 | 40 | 256 qam | 22 |
16 | 315000000 | 3.2 | 40 | 256 qam | 23 |
17 | 323000000 | 3.5 | 40 | 256 qam | 24 |
18 | 331000000 | 3.5 | 40 | 256 qam | 25 |
19 | 339000000 | 3.5 | 40 | 256 qam | 26 |
20 | 347000000 | 3.7 | 40 | 256 qam | 27 |
21 | 355000000 | 3.7 | 40 | 256 qam | 28 |
22 | 363000000 | 3.9 | 40 | 256 qam | 29 |
23 | 371000000 | 4 | 40 | 256 qam | 30 |
24 | 379000000 | 3.9 | 40 | 256 qam | 31 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 40.9 | 574 | 1532 |
2 | Locked | 40.3 | 4602 | 1960 |
3 | Locked | 40.3 | 3397 | 2066 |
4 | Locked | 40.3 | 3154 | 1842 |
5 | Locked | 40.3 | 3113 | 1744 |
6 | Locked | 40.3 | 2574 | 2107 |
7 | Locked | 40.3 | 2033 | 1588 |
8 | Locked | 40.3 | 1922 | 1655 |
9 | Locked | 40.9 | 1595 | 1584 |
10 | Locked | 40.9 | 1507 | 1466 |
11 | Locked | 40.9 | 1408 | 1794 |
12 | Locked | 40.3 | 1371 | 1455 |
13 | Locked | 40.3 | 1290 | 1553 |
14 | Locked | 40.3 | 1092 | 1333 |
15 | Locked | 40.3 | 900 | 1493 |
16 | Locked | 40.3 | 911 | 1525 |
17 | Locked | 40.9 | 807 | 1470 |
18 | Locked | 40.9 | 771 | 1471 |
19 | Locked | 40.3 | 719 | 1369 |
20 | Locked | 40.3 | 651 | 1480 |
21 | Locked | 40.9 | 749 | 1304 |
22 | Locked | 40.9 | 609 | 1434 |
23 | Locked | 40.3 | 664 | 1491 |
24 | Locked | 40.3 | 632 | 1483 |
on 02-05-2022 09:12
Hi @Niska,
Thank you for your posts and welcome back to our community forums. We're here to help.
I'm really sorry to hear that you seem to be having some issues with your connection recently. I'm going to send you a private message in a few moments so that we can take a closer look at things. Please respond to this at your earliest convenience and we can go from there.
Thanks,
on 02-05-2022 09:56
Hi @Niska,
Thank you for getting back to me so promptly via private message so that we could look over things. As discussed, a technician visit has now been scheduled and booked.
I'm unable to confirm the date/time of the booking publicly, but you can check and reschedule if needed via your My Virgin Media online account.
Let us know how the visit goes.
Thanks,
on 07-05-2022 01:19
Engineer was great - tightened a loose connection at the cab and switched ports there - touch wood seems to have made the difference.
Thanks all for the help.