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connection issues WiFi connection drops

platty7
Joining in

Hi all . been having issue last week or so connection constantly dropping looking at log lots of multiple timing sync critical and partial rcs partial service . not a clue what any of this means.  reading the forum .I have set up a BQM around 2pm today as is suggested to people with similar issue . no idea what I am doing really any help appreciated

Thanks 

1 ACCEPTED SOLUTION

Accepted Solutions

jbrennand
Very Insightful Person
Very Insightful Person
Can you....

Switch the Hub off and unplug it for a few minutes and then start up. Whilst it's off, do a quick check that all of your coax 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.

When done, check back in the settings and ensure that the RS error counts 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 ones) you have a problem (noise) that only a Tech visit will sort.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired, 2 on WiFi) Hub5 in modem mode with Apple Airport Extreme Router +2 Airport Express's & TP-Link Archer C64 WAP. On Volt 350Mbps, Talk Anytime Phone, x2 Mobile SIM only iPhones.

See where this Helpful Answer was posted

12 REPLIES 12

jbrennand
Very Insightful Person
Very Insightful Person
Post the BQM link to "share live graph".

Is there a known fault? Try the “free & automated” Service Status number - 0800 561 0061 - which usually gives the most up to date info. and tells you of more local issues down to postcode level.

And re the 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 to help diagnose whether it is just a wifi issue or it could be network connection related?

What Hub model is it and what are the various Hub lights showing/doing when this happens?

You could also post up all of the Hub's Up/Down stats and the Log too

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired, 2 on WiFi) Hub5 in modem mode with Apple Airport Extreme Router +2 Airport Express's & TP-Link Archer C64 WAP. On Volt 350Mbps, Talk Anytime Phone, x2 Mobile SIM only iPhones.

log

MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 15:08:19Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 15:08:14criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 15:07:8Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 15:07:8criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:59:32Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:59:19criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:46:40Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:46:36criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:45:52Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:45:46Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:45:29Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:45:26criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:43:40Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:43:39ErrorDCC rejected authentication failure;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:42:44Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:42:40Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:41:49Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:41:40Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;24/07/2021 14:37:50Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

downstream

1 202750000 6 40 256 qam 9
2 210750000 6.3 40 256 qam 10
3 218750000 6.1 40 256 qam 11
4 226750000 6.4 40 256 qam 12
5 234750000 6 40 256 qam 13
6 242750000 5.6 40 256 qam 14
7 250750000 5.6 40 256 qam 15
8 258750000 5.5 40 256 qam 16
9 266750000 5.6 40 256 qam 17


Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 39400000 48.5 5120 32 qam 2
2 53699468 49 5120 64 qam 4
3 32600000 48.5 5120 64 qam 3
4 46199566 49 5120 64 qam 1


Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 ATDMA 0 0 34 0
2 ATDMA 0 0 42 0
3 ATDMA 0 0 41 0
4 ATDMA 0 0 28 0


10 274750000 6 40 256 qam 18
11 282750000 6.3 40 256 qam 19
12 290750000 6.4 40 256 qam 20
13 298750000 6.6 40 256 qam 21
14 306750000 6 40 256 qam 22
15 314750000 5.6 40 256 qam 23
16 322750000 5 40 256 qam 24
17 330750000 4.6 40 256 qam 25
18 370750000 4.5 40 256 qam 26
19 378750000 5 40 256 qam 27
20 386750000 4.6 40 256 qam 28
21 394750000 4.5 40 256 qam 29
22 402750000 4.6 40 256 qam 30
23 410750000 4.4 40 256 qam 31
24 418750000 4.5 40 256 qam 32


Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 35.9 53528041 44113044
2 Locked 36.1 53695879 42946496
3 Locked 36.3 50117350 46491081
4 Locked 36.3 48678937 50489711
5 Locked 37 54024935 43217339
6 Locked 35.9 66347431 22963620
7 Locked 36.1 69662949 20414154
8 Locked 35.5 62377499 31572598
9 Locked 33.9 58550751 40191145
10 Locked 34.6 56569688 39923229
11 Locked 35.7 64341696 29527834
12 Locked 36.3 73322556 17619342
13 Locked 36.1 77772232 5980239
14 Locked 36.6 70401801 2231306
15 Locked 37 60098795 4722907
16 Locked 36.1 55629432 8966938
17 Locked 36.8 59657686 5721027
18 Locked 37.6 64944937 8591248
19 Locked 37.3 55881955 9262032
20 Locked 36.6 47433288 1686557
21 Locked 37.3 27434715 12571
22 Locked 38.6 9779954 2841
23 Locked 38.9 9459367 43997
24 Locked 38.9 9494450 41903

platty7
Joining in
https://www.thinkbroadband.com/broadband/monitoring/quality/share/24963faa91399abf502a5ec6326f8424dc6d130d

 

Thanks for your reply . Hub 3 used in modem mode . no known issues . all devices are having dropouts phones,tvs,xboxes laptop, ,pc

legacy1
Alessandro Volta
With them T3 timeouts looks like you have a upstream problem so you need someone to fix that.

---------------------------------------------------------------

jbrennand
Very Insightful Person
Very Insightful Person
Can you....

Switch the Hub off and unplug it for a few minutes and then start up. Whilst it's off, do a quick check that all of your coax 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.

When done, check back in the settings and ensure that the RS error counts 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 ones) you have a problem (noise) that only a Tech visit will sort.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired, 2 on WiFi) Hub5 in modem mode with Apple Airport Extreme Router +2 Airport Express's & TP-Link Archer C64 WAP. On Volt 350Mbps, Talk Anytime Phone, x2 Mobile SIM only iPhones.

Thanks 

I will try as you suggest 

much appreciated

jbrennand
Very Insightful Person
Very Insightful Person
Mind you.... the emerging BQM is looking awful. I would bet that the RS errors will be back... and quickly.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired, 2 on WiFi) Hub5 in modem mode with Apple Airport Extreme Router +2 Airport Express's & TP-Link Archer C64 WAP. On Volt 350Mbps, Talk Anytime Phone, x2 Mobile SIM only iPhones.