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ed00208
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Intermittent in/outgoing connection

As with many other recent posters on here I am getting frequent (6-10 times daily) drop-outs of the internet connection to my Hub 3.0.

a: I am using wired devices with the hub and they lose internet connection whilst remaining connected (no internet connection messages in operating system while physical connection still in place and stable.

b: I am also using wifi-connected devices, all in-range (some <12ft) and no issues regarding channels/interference.

c: I also have a second wired access point connected to the hub in part of the house to which further wired and wireless devices are connected - same problem - stable connection to access point and access point to hub yet internet dropouts.

YES I have followed all the guidance and rebooted/reset etc to no avail.

YES I understand about interference, channel selection etc.

I understand about networking so understand that the detection of a media-level connection remains stable to wired/wireless devices but there is no data-level connectivity from HUB 3.0 to the outside world. This happens for about 30secs to 2min. Devices do not try to renegotiate connection as the connection remains but it's dead.

External cabling appears OK; the cyclic/period nature of this implies there is a systematic issue with the HUB itself.

HUB Logs include multiple instances of

  • Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;....
  • critical No Ranging Response received - T3 time-out...
  • critical Started Unicast Maintenance Ranging - No Response received - T3 time-out;...

The nature of the issue is making use of the broadband for work untenable. Calling 150 suggested going through the website to raise a ticket but there is no such feature apparent.

 

 

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jbrennand
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Re: Intermittent in/outgoing connection

Try this
______

Then, Post up your Hub/network connection details and someone will check to see if there is a problem there.  In your browser’s URL box type in http://192.168.0.1  (or http://192.168.100.1 - if in modem mode) and hit return. On the first page up [there should be no need to login if you have done so before unless you have the New Hub4 when you do] click on the “router status” icon/text at bottom-middle of first page up and then copy/paste as “Formatted Text” (not images) 3 FULL sets of data onto here – 2 pages from the Downstream, 2 from the Upstream, & the Network Logs page. Don't worry too much about the formatting it can be easily read & DON’T include personal data or MAC addresses - blank them out - if you copy/paste the data, the board software will do this for you (you may need to click the "submit" button again.

Also, in the meantime... If you haven’t already, set up a free and secure “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” (as per instructions on the TB website) when it starts to develop.

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

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

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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Re: Intermittent in/outgoing connection - Diagnostics details added

Details for the issues as suggested

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
331000000
Locked
Ranged Upstream Channel (Hz)
60300000
Locked
Provisioning State
Online


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

1 331000000 4.5 40 256 qam 25
2 203000000 4.5 40 256 qam 9
3 211000000 4.5 40 256 qam 10
4 219000000 4.5 40 256 qam 11
5 227000000 4.5 40 256 qam 12
6 235000000 4.5 40 256 qam 13
7 243000000 4.5 40 256 qam 14
8 251000000 4.1 40 256 qam 15
9 259000000 4 40 256 qam 16
10 267000000 4.1 40 256 qam 17
11 275000000 4.3 40 256 qam 18
12 283000000 4.5 40 256 qam 19
13 291000000 4.4 40 256 qam 20
14 299000000 4.5 40 256 qam 21
15 307000000 4.3 40 256 qam 22
16 315000000 4.4 40 256 qam 23
17 323000000 4.4 40 256 qam 24
18 339000000 4.5 40 256 qam 26
19 347000000 4.5 40 256 qam 27
20 355000000 4.3 40 256 qam 28
21 363000000 4 40 256 qam 29
22 371000000 3.7 40 256 qam 30
23 379000000 3.7 40 256 qam 31
24 387000000 3.5 40 256 qam 32

 


Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 40.9 6 0
2 Locked 40.3 6 0
3 Locked 40.9 6 0
4 Locked 40.3 10 0
5 Locked 40.9 6 0
6 Locked 40.9 7 0
7 Locked 40.3 6 0
8 Locked 40.3 12 0
9 Locked 40.3 7 0
10 Locked 40.3 8 0
11 Locked 40.9 5 0
12 Locked 40.9 8 0
13 Locked 40.9 7 0
14 Locked 40.9 6 0
15 Locked 40.3 7 0
16 Locked 40.9 4 0
17 Locked 40.3 9 0
18 Locked 40.9 5 0
19 Locked 40.9 8 0
20 Locked 40.9 6 0
21 Locked 40.9 8 0
22 Locked 40.9 6 0
23 Locked 40.9 11 0
24 Locked 40.9 0 0


Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 60300000 43.8 5120 64 qam 1
2 39400000 43 5120 64 qam 4
3 46200000 43.3 5120 64 qam 3
4 53700000 43.5 5120 64 qam 2

 

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


General Configuration
Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-bbt057-b.cm

 

Primary Downstream Service Flow
SFID 246142
Max Traffic Rate 117000047
Max Traffic Burst 42600
Min Traffic Rate 0

 

Primary Upstream Service Flow
SFID 246141
Max Traffic Rate 10500047
Max Traffic Burst 16320
Min Traffic Rate 0
Max Concatenated Burst 16320
Scheduling Type BestEffort


Network Log
Time Priority Description
29/01/2021 19:16:31 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/01/2021 19:15:53 Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/01/2021 16:42:52 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/01/2021 15:42:4 Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/01/2021 14:57:21 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/01/2021 12:07:21 critical Started Unicast Maintenance Ranging - No Response received - T3 time-out;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;
28/01/2021 20:23:47 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/01/2021 20:23:20 Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:39 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/01/2021 13:49:49 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/01/2021 13:48:47 Warning! LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/01/2021 08:52:15 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
24/01/2021 02:55:31 Error DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
21/01/2021 05:36:41 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/01/2021 14:55:31 Error DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
17/01/2021 05:06:42 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
17/01/2021 02:55:31 Error DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
14/01/2021 16:38:12 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
13/01/2021 21:51:2 Error DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

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jbrennand
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Re: Intermittent in/outgoing connection - Diagnostics details added

Hub powers all look good - only issue is the T3's on the Up channels - these show in the logs. I dont know if that level is a problem - someone with Logs knowledge needs to comment.

In the meantime the BQM will be very informative - post up the link to share the live graph as soon as.

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

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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