No Ranging Response received - T3 time-out

[Conall]

Hi I am having issues with my internet and the network log is showing all kinds of issues. I have tried factory resetting router and checked the cables are in properly but hasn't worked. I have had VM try to help me over the texting app but that didn't work either. My wife uses our broadband for work. I have a Hub 3.0.

09/01/2024 20:08:22	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/01/2024 17:58:48	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/01/2024 05:05:44	notice	DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
08/01/2024 05:05:44	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/01/2024 15:15:1	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
06/01/2024 21:22:46	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
05/01/2024 18:10:39	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
04/01/2024 17:05:45	notice	DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
04/01/2024 17:05:45	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
03/01/2024 21:20:5	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/2024 17:07:34	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/2024 05:05:44	notice	DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/2024 05:05:44	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
31/12/2023 16:26:35	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/12/2023 11:41:49	notice	DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/12/2023 11:41:49	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/12/2023 17:34:39	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/12/2023 09:29:40	notice	DHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062+voc-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/12/2023 09:29:40	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/12/2023 18:02:51	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

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

1	331000000	1.7	40	256 qam	25
2	203000000	3.5	40	256 qam	9
3	211000000	3.4	40	256 qam	10
4	219000000	3.2	40	256 qam	11
5	227000000	3.2	40	256 qam	12
6	235000000	3	40	256 qam	13
7	243000000	2.7	40	256 qam	14
8	251000000	2.7	40	256 qam	15
9	259000000	2.4	40	256 qam	16
10	267000000	2.2	40	256 qam	17
11	275000000	1.9	40	256 qam	18
12	283000000	1.5	40	256 qam	19
13	291000000	1.5	40	256 qam	20
14	299000000	1.9	40	256 qam	21
15	307000000	1.7	40	256 qam	22
16	315000000	1.9	40	256 qam	23
17	323000000	1.9	40	256 qam	24
18	339000000	1.9	40	256 qam	26
19	347000000	1.7	40	256 qam	27
20	355000000	1.5	40	256 qam	28
21	363000000	1.9	40	256 qam	29
22	371000000	1.9	40	256 qam	30
23	379000000	1.9	40	256 qam	31
24	387000000	2	40	256 qam	32

[Conall]

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

1	Locked	40.3	135	32
2	Locked	40.9	110	15
3	Locked	40.3	113	42
4	Locked	40.3	174	40
5	Locked	40.9	153	38
6	Locked	40.9	88	15
7	Locked	40.9	116	9
8	Locked	40.3	146	63
9	Locked	40.3	145	54
10	Locked	40.9	121	13
11	Locked	40.9	101	31
12	Locked	40.3	192	54
13	Locked	40.3	172	57
14	Locked	40.9	135	0
15	Locked	40.9	111	13
16	Locked	40.3	158	47
17	Locked	40.3	209	62
18	Locked	40.3	93	0
19	Locked	40.3	153	25
20	Locked	40.3	208	41
21	Locked	40.9	165	45
22	Locked	40.9	151	0
23	Locked	40.3	152	48
24	Locked	40.3	148	20

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

1	46200000	36.5	5120	64 qam	11
2	23600000	36	5120	64 qam	14
3	32600000	36.5	5120	64 qam	13
4	39400000	36.5	5120	64 qam	12
5	53700000	36.5	5120	64 qam	10
6	60300000	36.8	5120	64 qam	9

Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1	ATDMA	0	0	8	0
2	ATDMA	0	0	4	0
3	ATDMA	0	0	0	0
4	ATDMA	0	0	2	0
5	ATDMA	0	0	3	0
6	ATDMA	0	0	3	0

[jbrennand]

Power levels look spot on.  Can we check… are your issues only evident on wifi connections or do you see them at the same times on devices connected on ethernet cables? If you don't know, can you check on one to help diagnose whether it is just a wifi issue or it could be network connection/Hub related?  What are the Hub lights showing/doing when you get the issue.

Then can you start from a clean sheet by doing this...

___________________________________________

Switch the Hub off and unplug it from the mains supply for five minutes. Whilst it's off, do a quick check that all of your coax and ethernet cable connections are in nice and "finger" tight - at the Hub and wall box and also at any connectors etc. Ensure there are no “unterminated cable loose ends. Disconnect all the connections and reconnect to be sure. Also check that the internal wiring is ok with no kinking or chaffing. When its light, check that all looks good with the outside cabling and wall box (no “staples, etc.,) piercing the cables.

Then switch the Hub back on and leave ~5 minutes When all done, check back in the settings and ensure that the RS error counts and T3 errors have all reset to 0. Then check every hour or so to see if they start reappearing - they shouldn't. If they do (particularly the postRS and T3 ones) you have a problem (noise) that only a Tech visit will sort.

Also check the Upstream QAM’s are all at 64 - if they are dropping (to 32/16) then you have an issue

Also, 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

Can you start from a clean sheet and do this....

____________________________________

[Conall]

Thank you for your reply, I have done what you said about clearing the T3 time outs they are all set to 0 and I will monitor them going forward, I have also set up a BQM for my internet as well which I will also keep an eye on. 

Unfortunately I don't have any ethernet cables in the house to test but I will get my hands on one and test it on my wife's laptop to see if it has any issues. 

No issues with any cables inside or outside the house that I could see. 

Thank you again.

[jbrennand]

OK good  - also keep your eye on PostRS errors... they shouldn't be appearing at all too.