Hello I keep having this ongoing issues where my network would completely drop and im not sure what is going wrong,I have a Virgin hub 3 in modem mode connected to one router and the router to a range extender through wifi.the issues affects the wired clients the same but some of them are able to come back online whilst others connected by an ethernet connection say Ethernet doesn't have a valid IP configuration.I have tried all the netsh winsock reset to ipconfig release and renew, sometimes when completing ipconfig /renew it states the ip is already in use.but the only thing that seems to fix it is to reset hub 3 and router to default settings.I have ruled out the router as i have just changed from TP-Link Archer A7 AC1750 to TP-Link WiFi 6 OneMesh Router, AX1500 There has been some errors in the hub 3 error logs, if anyone has any idea on how to resolve this would appreciate it!Time Priority Description16/10/2024 00:39:58noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;01/01/1970 00:01:44criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;16/10/2024 00:09:50noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;15/10/2024 18:28:34criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;14/10/2024 09:08:3ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;14/10/2024 04:09:3criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;10/10/2024 20:05:58noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;10/10/2024 20:05:41Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;10/10/2024 20:03:34noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;10/10/2024 20:00:41criticalTLV-11 - Failed to set duplicate elements;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;01/01/1970 00:01:38criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;10/10/2024 19:57:51noticeUnit has been restored to factory defaults from a software issued command;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;08/10/2024 11:15:21noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;06/10/2024 18:51:45ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;04/10/2024 17:37:8criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;03/10/2024 06:51:45ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;02/10/2024 10:10:30criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;30/09/2024 03:43:10ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;01/01/1970 00:01:43criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;26/09/2024 23:55:13noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

Just to add some devices come back online there are 3 pc's connected via ethernet, and some will stay offline whilst others work again it is very confusing

The 3 PCs are connected to the router directly with ethernet cables we do have a wi-fi repeater which i have disconnected today to see if we continue having this issueDownstream bonded channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID1235000000-0.740256 qam132227000000-0.540256 qam123243000000-0.740256 qam144251000000-0.740256 qam155259000000-0.740256 qam166267000000-0.540256 qam177275000000-0.740256 qam188283000000-0.540256 qam199291000000-0.540256 qam2010299000000-0.440256 qam2111307000000-0.240256 qam2212315000000-0.240256 qam2313323000000-0.240256 qam2414331000000-0.240256 qam2515339000000-0.240256 qam2616347000000-0.240256 qam2717355000000-0.240256 qam2818363000000040256 qam2919371000000040256 qam3020379000000040256 qam3121387000000040256 qam3222395000000040256 qam3423403000000040256 qam3524411000000040256 qam36Downstream bonded channelsChannel Locked Status RxMER (dB) Pre RS Errors Post RS Errors1Locked40.3402Locked40.3503Locked40.3704Locked40.3705Locked40.3306Locked40.3507Locked40.9408Locked40.9609Locked40.36010Locked40.36011Locked40.38012Locked40.94013Locked40.35014Locked40.34015Locked40.95016Locked40.98017Locked40.36018Locked40.37019Locked40.35020Locked40.35021Locked40.34022Locked40.95023Locked40.93024Locked40.3140Upstream bonded channelsChannel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID13010006449.3512064 qam423660000049.8512064 qam332360000048.8512064 qam544310000050.3512064 qam254960000051512064 qam1Upstream bonded channelsChannel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts1ATDMA00102ATDMA00003ATDMA00004ATDMA00005ATDMA0000

When you say you "reset the Hub and TP-Link" did you set the Hub back to modem mode again?Also, if in modem mode, can you confirm only one ethernet cable is attached to the Hub, and that is going to the TP-Link?

Yes after reseting to default i change it back into modem mode and the only ethernet in the modem is the router.I do not think it is the router or the ethernet cable linking the two as i have bought a new router to replace the older one and replaced the cable that connects them also.

jamiesmith058

Joining in

6 months ago

Ethernet doesn't have a valid IP configuration

Hello I keep having this ongoing issues where my network would completely drop and im not sure what is going wrong,

I have a Virgin hub 3 in modem mode connected to one router and the router to a range extender through wifi.

the issues affects the wired clients the same but some of them are able to come back online whilst others connected by an ethernet connection say Ethernet doesn't have a valid IP configuration.

I have tried all the netsh winsock reset to ipconfig release and renew, sometimes when completing ipconfig /renew it states the ip is already in use.

but the only thing that seems to fix it is to reset hub 3 and router to default settings.

I have ruled out the router as i have just changed from TP-Link Archer A7 AC1750 to TP-Link WiFi 6 OneMesh Router, AX1500

There has been some errors in the hub 3 error logs, if anyone has any idea on how to resolve this would appreciate it!

Time Priority Description

16/10/2024 00:39:58	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:44	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
16/10/2024 00:09:50	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
15/10/2024 18:28:34	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
14/10/2024 09:08:3	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
14/10/2024 04:09:3	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
10/10/2024 20:05:58	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
10/10/2024 20:05:41	Warning!	LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
10/10/2024 20:03:34	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
10/10/2024 20:00:41	critical	TLV-11 - Failed to set duplicate elements;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:38	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
10/10/2024 19:57:51	notice	Unit has been restored to factory defaults from a software issued command;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
08/10/2024 11:15:21	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
06/10/2024 18:51:45	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
04/10/2024 17:37:8	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
03/10/2024 06:51:45	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
02/10/2024 10:10:30	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
30/09/2024 03:43:10	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:43	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;
26/09/2024 23:55:13	notice	LAN login Success;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.0;

jamiesmith058
Joining in
6 months ago
Just to add some devices come back online there are 3 pc's connected via ethernet, and some will stay offline whilst others work again it is very confusing

Client62

Alessandro Volta

6 months ago

The 3 PCs connected via Ethernet, are they network cabled directly to your 3rd party Router
or via some other network arrangement ( E.g. via network switches / Powerline adaptors / Wi-Fi Repeaters etc ) ?

Take a look at the Hub 3 Upstream and Downstream tabs, these two pages often reveal service issues that is not reported in the Hub log.

jamiesmith058

Joining in

6 months ago

The 3 PCs are connected to the router directly with ethernet cables we do have a wi-fi repeater which i have disconnected today to see if we continue having this issue

Downstream bonded channels

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

1	235000000	-0.7	40	256 qam	13
2	227000000	-0.5	40	256 qam	12
3	243000000	-0.7	40	256 qam	14
4	251000000	-0.7	40	256 qam	15
5	259000000	-0.7	40	256 qam	16
6	267000000	-0.5	40	256 qam	17
7	275000000	-0.7	40	256 qam	18
8	283000000	-0.5	40	256 qam	19
9	291000000	-0.5	40	256 qam	20
10	299000000	-0.4	40	256 qam	21
11	307000000	-0.2	40	256 qam	22
12	315000000	-0.2	40	256 qam	23
13	323000000	-0.2	40	256 qam	24
14	331000000	-0.2	40	256 qam	25
15	339000000	-0.2	40	256 qam	26
16	347000000	-0.2	40	256 qam	27
17	355000000	-0.2	40	256 qam	28
18	363000000	0	40	256 qam	29
19	371000000	0	40	256 qam	30
20	379000000	0	40	256 qam	31
21	387000000	0	40	256 qam	32
22	395000000	0	40	256 qam	34
23	403000000	0	40	256 qam	35
24	411000000	0	40	256 qam	36

Downstream bonded channels

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

1	Locked	40.3	4
2	Locked	40.3	5
3	Locked	40.3	7
4	Locked	40.3	7
5	Locked	40.3	3
6	Locked	40.3	5
7	Locked	40.9	4
8	Locked	40.9	6
9	Locked	40.3	6
10	Locked	40.3	6
11	Locked	40.3	8
12	Locked	40.9	4
13	Locked	40.3	5
14	Locked	40.3	4
15	Locked	40.9	5
16	Locked	40.9	8
17	Locked	40.3	6
18	Locked	40.3	7
19	Locked	40.3	5
20	Locked	40.3	5
21	Locked	40.3	4
22	Locked	40.9	5
23	Locked	40.9	3
24	Locked	40.3	14

Upstream bonded channels

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

1	30100064	49.3	5120	64 qam	4
2	36600000	49.8	5120	64 qam	3
3	23600000	48.8	5120	64 qam	5
4	43100000	50.3	5120	64 qam	2
5	49600000	51	5120	64 qam	1

Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1	ATDMA	1
2	ATDMA	0
3	ATDMA	0
4	ATDMA	0
5	ATDMA	0

Adduxi
Very Insightful Person
6 months ago
When you say you "reset the Hub and TP-Link" did you set the Hub back to modem mode again?
Also, if in modem mode, can you confirm only one ethernet cable is attached to the Hub, and that is going to the TP-Link?
- jamiesmith058
  Joining in
  6 months ago
  Yes after reseting to default i change it back into modem mode and the only ethernet in the modem is the router.
  I do not think it is the router or the ethernet cable linking the two as i have bought a new router to replace the older one and replaced the cable that connects them also.
legacy1
Alessandro Volta
6 months ago
connect the old router back up
- jamiesmith058
  Joining in
  6 months ago
  What would that achieve when the same issue is happening with 2 different routers?
  - legacy1
    Alessandro Volta
    6 months ago
    I see so this was happening before the new router.
    cables that come with routers are cheap suggest better ones
    1aTTack.de 3 meter Cat6 Ethernet Cable Lan Patch Cat 6 Cables Internet Rj45 Plug 1Gbit/s SFTP PIMF - black - 1 piece 3 meter : Amazon.co.uk: Computers & Accessories
    DIGITUS CAT 6 S-FTP patch cord, Cu, LSZH AWG 27/7, length 3 m, color grey : Amazon.co.uk: Computers & Accessories
    setup a BQM to your new router
    Broadband Quality Monitor | thinkbroadband
    do you have HomePlug - Network Via Mains?
Adduxi
Very Insightful Person
6 months ago
Are you sure the Hub is in modem mode? Does the TP-Link have a valid WAN IP address, e.g. 82.27.x.x ? Is the cable from the Hub in the TP-Link WAN port? What are the settings in the TP-Link for IP addresses, e.g. 192.168.1.1
- jamiesmith058
  Joining in
  6 months ago
  it is 100% in modem mode
  and the ethernet caples are in the right ports and on the router it is set to
  
  i believe the WAN IP is valid
  I looked at the Lan IP address is :
  I am not sure what is causing the issue but it worked with the same config for 5 years then suddenly started doing this this year
  - Adduxi
    Very Insightful Person
    6 months ago
    That all looks fine. I can only suggest you start by disconnecting all your devices, and rejoin them one at a time, until you get the loss of IP. This may identify a "rogue" device causing the issue, e.g. managed switch ? I doubt if it is the Hub, as in modem mode it's only a "bridge" between VM and your TP-Link and has no other functions available.
jamiesmith058
Joining in
3 months ago
Update to this... On 05/01/2025 though i do not understand why the culprit was the Wifi range extender after removing it from my network i have had no more problems at all.

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Ethernet doesn't have a valid IP configuration

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