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sep9001
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Router keeps disconnecting

Hi 

I have recently joined Virgin due to the disconnections I was getting on Plusnet, however I have recently noticed that I am also getting these on my VM router, so not sure if this is something to do with my wiring or something else.

 

Hub 3.0 device information

The information below shows current status of this Hub 3.0.

Standard specification compliant: DOCSIS 3.0
Hardware version: 11
Software version: 9.1.1802.613
Cable MAC address: ++:++:++:++:++:++
Cable modem serial number++++++++++++++
System up time: 1 days 1h:37m:57s
Network access: Allowed
 

 

Thank you

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sep9001
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Re: Router keeps disconnecting

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
234750000
Locked
Ranged Upstream Channel (Hz)
25800000
Locked
Provisioning State
Online
 

 

Downstream bonded channels

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

1234750000640256 qam13
22427500005.640256 qam14
32507500005.340256 qam15
4258750000540256 qam16
52667500004.340256 qam17
62747500003.240256 qam18
7282750000438256 qam19
8290750000540256 qam20
92987500005.540256 qam21
103067500005.940256 qam22
113147500005.640256 qam23
123227500005.540256 qam24
133307500005.340256 qam25
14394750000640256 qam26
154027500004.538256 qam27
164107500003.438256 qam28
174187500003.438256 qam29
184267500003.238256 qam30
194347500003.438256 qam31
204427500003.538256 qam32
21450750000440256 qam33
224587500003.938256 qam34
234667500003.438256 qam35
24474750000338256 qam36



Downstream bonded channels

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

1Locked40.3150
2Locked40.3110
3Locked40.3130
4Locked40.3220
5Locked40.3180
6Locked40.3220
7Locked38.9280
8Locked40.3230
9Locked40.3160
10Locked40.370
11Locked40.390
12Locked40.3260
13Locked40.3150
14Locked40.3130
15Locked38.9180
16Locked38.9310
17Locked38.6280
18Locked38.9320
19Locked38.6350
20Locked38.9150
21Locked40.3100
22Locked38.9180
23Locked38.9140
24Locked38.9680

 

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sep9001
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Re: Router keeps disconnecting

Upstream bonded channels

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

1258000004.025512064 qam12
2462000004.075512064 qam9
3393999804.075512064 qam10
4326000004.05512064 qam11



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA000

0

 

 

 

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-rtsxl20016u+voc-b.cm



Primary Downstream Service Flow

SFID79494
Max Traffic Rate230000061
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID79493
Max Traffic Rate22000061
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort
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sep9001
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Re: Router keeps disconnecting

Network Log

Time

Priority

Description

05/11/2019 03:29:36

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

09/11/2019 06:29:12

Error

DHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

09/11/2019 07:42:4

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

09/11/2019 21:01:52

Error

DHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

10/11/2019 01:47:17

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

10/11/2019 04:18:12

Error

DHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

10/11/2019 11:34:36

Error

DHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

10/11/2019 12:50:23

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:42

critical

SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:42

Warning!

RCS Partial Service;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:43

critical

SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:43

Warning!

RCS Partial Service;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:47

Warning!

Lost MDD Timeout;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:29:52

critical

Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

01/01/1970 00:16:15

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 12:59:34

Warning!

RCS Partial Service;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

12/11/2019 21:43:8

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

15/11/2019 06:54:21

Error

DHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

15/11/2019 07:05:39

Error

DHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

15/11/2019 21:57:1

critical

No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**.**;CMTS-MAC=**:**:**:**:**.**;CM-QOS=1.1;CM-VER=3.0;

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jbrennand
Alessandro Volta
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Re: Router keeps disconnecting

Hub stats ar all fine - someone else should comment on the Logs.
You havent actually specified what the problem is, other than "disconnections".
So are these happening on both wifi connected and ethernet cable connected devices - or just wifi?
What devices are you seeing it on?
Are the speeds affected?
You could set up a free “Broadband Quality Monitor” to continually monitor the state of your connection and record any network 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. Make sure you uncheck the “ignore ping from WAN side” box in the settings if you see a wall of "red" - note it will take an hour or two to start seeing a sensible picture.
It will not (of course) show any wif disconnections - only "network" ones

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

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

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. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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sep9001
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Helpful Answer

Re: Router keeps disconnecting

Hi

Thank you for replying.

I have not noticed and disconnections as they seem to happy either when I am not at home or at night. I will keep an eye out and if it happens ofter I will quality test as suggested.

Looking at the BQM do you just register, set if off and log off the pc or does the pc have to be connected on the page for the test period.

Thank you

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jbrennand
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Re: Router keeps disconnecting

For the BQM - you just open an account then set it up and it all happens automagically as they routinely ping your modem. Every time you log back in your BQM's are shown in a "Calendar" just select the day you want to view.
N.B. dont switch the Hub off (e.g at nights) as it will just show a wall of red.

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

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. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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Andruser
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Re: Router keeps disconnecting

The BQM is a tool that works from Thinkbroadband's server.  Your PC can be switched off, because what it is checking is the signal to Virgin Media hub.  So long as your hub is switched on, the BQM keeps track.  Whilst a BQM has limitations, its real strength is this ability to track important aspects of a cable connection continuously.

Set one up, leave it for a day, go back and take a look.  The RCS partial service entries in your log suggest a problem, but I can't be any more specific, as jbrennad says, hopefully one of the forum wizards will be able to comment.

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sep9001
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Re: Router keeps disconnecting

Update:

 

Router has not lost connection for the last 14 days so am just assuming that there may have been an issue in the area.Will keep and eye out.

Thank you all for the help.

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Forum Team
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Re: Router keeps disconnecting

Hi sep9001, 

 

Thanks for updating us. 

 

Please let us know if anything changes?

 

Kind regards 

Chris