on 12-11-2021 10:48
Hello Virgin Media,
I don’t notice any issues with the connection, but I have noticed on my connection I keep getting T3 Timeouts on each upstream channel and Post RS Errors on every downstream channel which I believe I shouldn’t be getting. Please can you take a look at my connection and area to see if there are any current or past faults.
These power levels below are within spec aren’t they?
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 387000000 | 3.7 | 40 | 256 qam | 32 |
2 | 203000000 | 4.5 | 40 | 256 qam | 9 |
3 | 211000000 | 4.5 | 40 | 256 qam | 10 |
4 | 219000000 | 4.3 | 40 | 256 qam | 11 |
5 | 227000000 | 4.4 | 40 | 256 qam | 12 |
6 | 235000000 | 4.3 | 40 | 256 qam | 13 |
7 | 243000000 | 4 | 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 | 4 | 40 | 256 qam | 18 |
12 | 283000000 | 4.1 | 40 | 256 qam | 19 |
13 | 291000000 | 4 | 40 | 256 qam | 20 |
14 | 299000000 | 4.5 | 40 | 256 qam | 21 |
15 | 307000000 | 4.5 | 40 | 256 qam | 22 |
16 | 315000000 | 4.5 | 40 | 256 qam | 23 |
17 | 323000000 | 4.6 | 40 | 256 qam | 24 |
18 | 331000000 | 4.5 | 40 | 256 qam | 25 |
19 | 339000000 | 4.4 | 40 | 256 qam | 26 |
20 | 347000000 | 4.1 | 40 | 256 qam | 27 |
21 | 355000000 | 4 | 40 | 256 qam | 28 |
22 | 363000000 | 4 | 40 | 256 qam | 29 |
23 | 371000000 | 4 | 40 | 256 qam | 30 |
24 | 379000000 | 3.7 | 40 | 256 qam | 31 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 40.3 | 69 | 59 |
2 | Locked | 40.9 | 120 | 58 |
3 | Locked | 40.3 | 116 | 42 |
4 | Locked | 40.3 | 86 | 121 |
5 | Locked | 40.3 | 79 | 60 |
6 | Locked | 40.9 | 72 | 62 |
7 | Locked | 40.3 | 100 | 53 |
8 | Locked | 40.9 | 104 | 62 |
9 | Locked | 40.3 | 105 | 54 |
10 | Locked | 40.3 | 97 | 63 |
11 | Locked | 40.9 | 116 | 69 |
12 | Locked | 40.9 | 91 | 58 |
13 | Locked | 40.9 | 86 | 46 |
14 | Locked | 40.3 | 97 | 52 |
15 | Locked | 40.3 | 122 | 57 |
16 | Locked | 40.9 | 74 | 50 |
17 | Locked | 40.9 | 82 | 60 |
18 | Locked | 40.9 | 86 | 54 |
19 | Locked | 40.3 | 81 | 58 |
20 | Locked | 40.9 | 105 | 73 |
21 | Locked | 40.3 | 73 | 78 |
22 | Locked | 40.3 | 62 | 71 |
23 | Locked | 40.3 | 85 | 47 |
24 | Locked | 40.3 | 113 | 53 |
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 39399991 | 45 | 5120 | 64 qam | 4 |
2 | 46199983 | 45 | 5120 | 64 qam | 3 |
3 | 53699996 | 45 | 5120 | 64 qam | 2 |
4 | 60299998 | 45 | 5120 | 64 qam | 1 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 7 | 0 |
2 | ATDMA | 0 | 0 | 4 | 0 |
3 | ATDMA | 0 | 0 | 4 | 0 |
4 | ATDMA | 0 | 0 | 3 | 0 |
Thanks,
D_T
on 12-11-2021 10:54
Not good, you also have a lot of T4's which are bad. These stats are accumulative since the hub was last power cycled. So please power cycle your hub and post a new set of stats after a few hours. We can then see the current figures.
12-11-2021 10:58 - edited 12-11-2021 10:59
Check with Area faults on 0800 561 0061 or if you have a VM landline 150 as small local faults are not listed on the VM status page.
The PostRS errors should be zero, and yes, there are too many T3 errors. If you reboot the Hub to reset the counters and keep an eye on the errors. If they rise quickly, VM will need to fix that.
Also post your Network log before you reset the Hub so we can see the historical information.
For you benefit I would suggest you setup a BQM here www.thinkbroadband.com/ping
Once done, post the shared graph for comment.
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on 12-11-2021 11:19
Hello Tudor,
Thanks for viewing and replying to my post.
I only have T3 Timeouts, I’ll include a screenshot. I will reboot the hub shortly and post a fresh set of stats in a couple of hours.
Thanks,
D_T
on 12-11-2021 11:26
Hello Adduxi,
Thanks for viewing and replying to my post.
Do you know if it is allowed and safe to post the network log as it contains MAC addresses?
Thanks,
D_T
on 12-11-2021 12:20
When you post your network logs, the Board software will remove all the MAC address etc. So, yes safe to post.
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on 12-11-2021 17:15
Hello Adduxi,
Thanks again for viewing and replying to my post.
Here is the network log below and my live broadband quality monitor. I will reboot the hub at 17:30 and post the stats again just after 22:30.
Time Priority Description
12/11/2021 11:03:13 | notice | REMOTE login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
11/11/2021 05:20:50 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
09/11/2021 13:10:26 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt060-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
09/11/2021 13:10:26 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/11/2021 21:57:47 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
06/11/2021 01:10:26 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt060-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
06/11/2021 01:10:26 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/11/2021 17:35:23 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/11/2021 13:10:26 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt060-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/11/2021 13:10:26 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
30/10/2021 06:42:0 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
30/10/2021 01:10:25 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt060-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
30/10/2021 01:10:25 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
27/10/2021 04:10:9 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
26/10/2021 23:57:32 | notice | DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt060-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
26/10/2021 23:57:32 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
26/10/2021 04:20:6 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/10/2021 09:30:14 | notice | REMOTE login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/10/2021 05:18:51 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
23/10/2021 21:01:1 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
D_T
on 12-11-2021 17:20
Sorry I meant Post RS errors not T4’s.
on 12-11-2021 17:24
So far not a lot to go on, your BQM is very good at the moment. You just need to keep an eye on the PostRS errors, rising errors are not good. I very rarely reboot my IT kit and I think the uptime at the moment is about 130 days, and I have a grand total of 0 PostRS errors on my Hub 3. However I use Modem mode only.
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on 12-11-2021 22:15
Hello Tudor,
Thanks again for viewing and replying to my post.
How do these new set of stats look since I rebooted the hub just after 17:30?
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 387000000 | 3.5 | 40 | 256 qam | 32 |
2 | 203000000 | 4.5 | 40 | 256 qam | 9 |
3 | 211000000 | 4.4 | 40 | 256 qam | 10 |
4 | 219000000 | 4.3 | 40 | 256 qam | 11 |
5 | 227000000 | 4.3 | 40 | 256 qam | 12 |
6 | 235000000 | 4.1 | 40 | 256 qam | 13 |
7 | 243000000 | 4 | 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 | 4 | 40 | 256 qam | 18 |
12 | 283000000 | 4.1 | 40 | 256 qam | 19 |
13 | 291000000 | 4 | 40 | 256 qam | 20 |
14 | 299000000 | 4.5 | 40 | 256 qam | 21 |
15 | 307000000 | 4.5 | 40 | 256 qam | 22 |
16 | 315000000 | 4.5 | 40 | 256 qam | 23 |
17 | 323000000 | 4.6 | 40 | 256 qam | 24 |
18 | 331000000 | 4.5 | 40 | 256 qam | 25 |
19 | 339000000 | 4.4 | 40 | 256 qam | 26 |
20 | 347000000 | 4.1 | 40 | 256 qam | 27 |
21 | 355000000 | 4 | 40 | 256 qam | 28 |
22 | 363000000 | 4 | 40 | 256 qam | 29 |
23 | 371000000 | 3.9 | 40 | 256 qam | 30 |
24 | 379000000 | 3.7 | 40 | 256 qam | 31 |
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 40.3 | 0 | 0 |
2 | Locked | 40.9 | 5 | 0 |
3 | Locked | 40.3 | 6 | 0 |
4 | Locked | 40.3 | 5 | 0 |
5 | Locked | 40.3 | 5 | 0 |
6 | Locked | 40.9 | 5 | 0 |
7 | Locked | 40.3 | 5 | 0 |
8 | Locked | 40.3 | 5 | 0 |
9 | Locked | 40.3 | 4 | 0 |
10 | Locked | 40.3 | 6 | 0 |
11 | Locked | 40.3 | 6 | 0 |
12 | Locked | 40.9 | 5 | 0 |
13 | Locked | 40.3 | 5 | 0 |
14 | Locked | 40.3 | 5 | 0 |
15 | Locked | 40.9 | 5 | 0 |
16 | Locked | 40.9 | 5 | 0 |
17 | Locked | 40.9 | 4 | 0 |
18 | Locked | 40.9 | 6 | 0 |
19 | Locked | 40.9 | 4 | 0 |
20 | Locked | 40.3 | 7 | 0 |
21 | Locked | 40.3 | 5 | 0 |
22 | Locked | 40.9 | 5 | 0 |
23 | Locked | 40.3 | 6 | 0 |
24 | Locked | 40.3 | 5 | 0 |
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 39399964 | 45 | 5120 | 64 qam | 4 |
2 | 46200012 | 45 | 5120 | 64 qam | 3 |
3 | 53700019 | 45 | 5120 | 64 qam | 2 |
4 | 60299998 | 45 | 5120 | 64 qam | 1 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 0 | 0 |
3 | ATDMA | 0 | 0 | 0 | 0 |
4 | ATDMA | 0 | 0 | 0 | 0 |
Thanks,
D_T