Virgin Media Community

[RTquestions]

Hi

I have been getting short, frequent drops when on video calls over ethernet. From Hub 4 router I got into an 8 port switch to computer.

In the logs I am getting no ranging response received and DHCP renew warnings - any suggestions as to how I fix this?

Thanks

Network Log

Time Priority Description

Sat 07/01/2023 00:50:07	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 09/01/2023 00:02:49	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 09/01/2023 00:02:49	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 09/01/2023 02:56:34	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Tue 10/01/2023 19:42:20	6	US profile assignment change. US Chan ID: 6; Previous Profile: ; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 12/01/2023 12:02:49	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 12/01/2023 12:02:49	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Fri 13/01/2023 07:31:27	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 15/01/2023 13:07:49	5	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 15/01/2023 13:08:03	5	DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 15/01/2023 13:08:03	6	US profile assignment change. US Chan ID: 6; Previous Profile: ; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 15/01/2023 22:45:56	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:06:16	5	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:06:32	5	DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:06:32	6	US profile assignment change. US Chan ID: 6; Previous Profile: ; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:22:03	5	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:22:17	5	DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:22:17	6	US profile assignment change. US Chan ID: 6; Previous Profile: ; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 10:52:25	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 16/01/2023 22:28:13	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Tue 17/01/2023 11:22:55	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 19/01/2023 06:25:54	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 19/01/2023 13:32:23	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 19/01/2023 17:42:35	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 19/01/2023 17:42:35	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Fri 20/01/2023 06:27:51	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Fri 20/01/2023 14:02:11	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sat 21/01/2023 15:14:02	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sat 21/01/2023 15:35:44	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sat 21/01/2023 17:55:23	6	US profile assignment change. US Chan ID: 6; Previous Profile: 11; New Profile: 12.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 22/01/2023 08:17:55	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 23/01/2023 05:42:35	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 23/01/2023 05:42:35	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 23/01/2023 09:58:38	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 23/01/2023 17:22:44	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Tue 24/01/2023 22:22:28	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 26/01/2023 17:42:35	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 26/01/2023 17:42:35	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 26/01/2023 21:51:53	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sat 28/01/2023 18:11:24	6	US profile assignment change. US Chan ID: 6; Previous Profile: 12; New Profile: 11.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 29/01/2023 07:40:46	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 30/01/2023 05:42:35	4	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Mon 30/01/2023 05:42:35	6	DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Wed 01/02/2023 02:07:52	3	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;

[jbrennand]

Post up the 2 pages of upstream and two of downstream, data - from the settings

[RTquestions]

3.0 Downstream channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

25	331000000	7.2	40.9	QAM256	25
10	211000000	9.3	40.9	QAM256	10
11	219000000	9.2	40.9	QAM256	11
12	227000000	8.9	40.4	QAM256	12
13	235000000	8.5	40.4	QAM256	13
14	243000000	7.8	40.9	QAM256	14
15	251000000	8	40.9	QAM256	15
16	259000000	7.4	40.9	QAM256	16
17	267000000	7.4	40.9	QAM256	17
18	275000000	7.2	40.9	QAM256	18
19	283000000	7	40.9	QAM256	19
20	291000000	6.8	40.4	QAM256	20
21	299000000	7.1	40.4	QAM256	21
22	307000000	7.5	40.4	QAM256	22
23	315000000	7.6	40.4	QAM256	23
24	323000000	7.7	40.9	QAM256	24
26	339000000	7.3	40.4	QAM256	26
27	347000000	7.2	40.4	QAM256	27
28	355000000	6.7	40.4	QAM256	28
29	363000000	6.7	40.4	QAM256	29
30	371000000	6.4	40.4	QAM256	30
31	379000000	6.2	40.4	QAM256	31
32	387000000	6	40.4	QAM256	32
33	395000000	5.6	40.4	QAM256	33
34	403000000	5.1	40.4	QAM256	34
35	411000000	4.5	40.9	QAM256	35
36	419000000	4	40.4	QAM256	36
37	427000000	4.8	40.4	QAM256	37
38	435000000	4.8	40.4	QAM256	38
39	443000000	4.8	40.4	QAM256	39
40	451000000	4.3	40.4	QAM256	40

3.0 Downstream channels

Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors

25	Locked	40.946209	0	0
10	Locked	40.946209	0	0
11	Locked	40.946209	0	0
12	Locked	40.366287	0	0
13	Locked	40.366287	0	0
14	Locked	40.946209	0	0
15	Locked	40.946209	0	0
16	Locked	40.946209	0	0
17	Locked	40.946209	0	0
18	Locked	40.946209	0	0
19	Locked	40.946209	0	0
20	Locked	40.366287	0	0
21	Locked	40.366287	0	0
22	Locked	40.366287	0	0
23	Locked	40.366287	0	0
24	Locked	40.946209	0	0
26	Locked	40.366287	0	0
27	Locked	40.366287	0	0
28	Locked	40.366287	0	0
29	Locked	40.366287	0	0
30	Locked	40.366287	0	0
31	Locked	40.366287	0	0
32	Locked	40.366287	0	0
33	Locked	40.366287	0	0
34	Locked	40.366287	0	0
35	Locked	40.946209	0	0
36	Locked	40.366287	0	0
37	Locked	40.366287	0	0
38	Locked	40.366287	0	0
39	Locked	40.366287	0	0
40	Locked	40.366287	0	0

3.1 Downstream channels

Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)

159

96

4K

1880

QAM4096

759

3.1 Downstream channels

Channel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)

159

Locked

42

3.1

24133392

0

[RTquestions]

3.0 Upstream channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

1	30100000	46	5120 KSym/sec	64QAM	4
2	23600000	46	5120 KSym/sec	64QAM	5
3	36600000	46	5120 KSym/sec	64QAM	3
4	43100000	46	5120 KSym/sec	64QAM	2
5	49600000	46	5120 KSym/sec	64QAM	1

3.0 Upstream channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1	US_TYPE_STDMA	0	0	0	0
2	US_TYPE_STDMA	0	0	0	0
3	US_TYPE_STDMA	0	0	0	0
4	US_TYPE_STDMA	0	0	0	0
5	US_TYPE_STDMA	0	0	0	0

3.1 Upstream channels

Channel Channel Width (MHz) Power (dBmV) FFT Type Modulation

6

10.0

40.8

2K

QAM8

3.1 Upstream channels

Channel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts

6

OFDMA

200

53.9

0

0

[jbrennand]

Hub stats all seem fine to me.

All I can suggest is to replace all the ethernet cables to Cat6a and swap to a new unmanaged swith with 1GB ports - in case one of those elements has "failed".

May be worth setting up a BQM...

If you haven’t already, set up a free, secure and “offlsite” - “Broadband Quality Monitor” to continually monitor the state of your connection and record any true network dropouts , latency issues, packet drops, etc - it will thus allow you to differentiate between those and simple wifi dropouts.

It does it 24/7/365 and it keeps a visual record of any/all of your network disconnections, useful data to have to match to the Network logs (in your Hub settings) and also in discussions with VM - note it will take a few hours to start seeing a sensible picture - post up the “link” to the “share live graph”.

Click the lower link (Share Live Graph) then, click generate. Copy the text in the Direct Link box, beware, there may be more text than you can see. On here click the Link icon (2 links chain to the left of the camera icon) In the URL box paste the link you copied and then click OK

https://www.thinkbroadband.com/broadband/monitoring/quality

[RTquestions]

Many thanks for this - much appreciated 

[RTquestions]

https://www.thinkbroadband.com/broadband/monitoring/quality/share/04b1411dfba8d76421ee7ee2ffeeb75ad2... 
 

[RTquestions]

https://www.thinkbroadband.com/broadband/monitoring/quality/share/04b1411dfba8d76421ee7ee2ffeeb75ad2728db4

[jbrennand]

BQM not good - have you swapped out the switch and changed the ethernet cables?

[RTquestions]

Hi Thanks for your help with this.

Have swapped out cables and switch and latency on ethernet seems better at present - however WIFI has become difficult to join. Hub diagnostics also suggests there is an issue with WIFI.

I turned off router and also used reset button and this seemed to improve WIFI during the day. 

Main issue I have is getting Amazon dots to join - they seem to be connected from hub connected devices, but not detecting wireless signal. I have tried to disable channel optimisation and rename 2.4 and 5 channels, but this did not make a difference.