Broadband connection keeps dropping every day for 2 - 3 times a day recently

[tcfk2]

I have been with Vodafone from 2018 on superfast first, and then upgraded to superfast 2 about 8 months ago.  About 2 months ago I started to experience broadband disconnection (not wifi dropping out, it is the internet being dropped for all devices).  Having chatted with the vodafone help doesnt get me anywhere so I went and debugged a bit myself and would like others to comment on what I found.

My SNR margin for down and up was only 3.3dB and 6dB on the normal BT NTE5C main socket.  I managed to achieve 69mb/s downstream and 18mb/s upstream.  However, I am wonder if these kind of numbers are good enough, especially I still have the old Vodafone router which is the smaller than the new one.

Then I tried the test socket.  The SNR margin improves to 4.1dB and 7.8dB for down and upstream respectively.  The data rate also increases to 76mb/s and 20mb/s for downstream and upstream.  So it sounds like the SNR margin increase helps the down and uplink.  I have now hook it up to the test port for more than a day, and has not experienced a drop in internet yet (touch wood)

So it sounds like it is my internal connection that is degrading the SNR.  What do others think?  Thanks

[clint_flick]

Hi

Mine is............

Line Quality

  Downstream Upstream

Current Rate	79184 kbps	20000 kbps
Maximum Rate	81614 kbps	23062 kbps
Signal-to-Noise Ratio	3.4 dB	7.5 dB

Internal wiring can/will affect the Line Quality.

DO NOT HAVE ANYTHING CONNECTED TO TERMINAL 3

Only fit high quality MicroFilters.

If in doubt please ask.

[Jayach]

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@tcfk2 wrote:

Then I tried the test socket.  The SNR margin improves to 4.1dB and 7.8dB for down and upstream respectively.  The data rate also increases to 76mb/s and 20mb/s for downstream and upstream.  So it sounds like the SNR margin increase helps the down and uplink.  I have now hook it up to the test port for more than a day, and has not experienced a drop in internet yet (touch wood)

So it sounds like it is my internal connection that is degrading the SNR.  What do others think?  Thanks

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If it works better in the test socket then the problem is within your internal wiring. Do you use any extension sockets?

Probably best to give it a few days in the test socket before trying anything else "just to be sure".

[tcfk2]

Thank you both.  Interesting to see that a SNR margin of 3.3dB is sufficient.

Anyway I have some good/bad news depending on which way I look at it.  I left it in the test port for a day and I noticed it was disconnected at around 1am yesterday by looking at the log file.  see below.

This means I can rule out the internal wiring being the source of the issue (I think) and thand God I didnt listen to the vodafone help group's advices on splashing out hundreds of pounds to get an engineer out to check my local connection.....

Anyway I now think the issue lies at the vodafone modem/router.  I am still using the old model which is dated to pre-2018.  I am now wondering if I should ask for an upgrade - I had an upgrade from superfast to superfast 2 6 months ago but they didnt send me a new router.

Can anyone think of another reason for this type of random disconnects?  I mean at 1am I am already asleep and it doesnt sound like interferences related.

Thanks a lot.

[Jayach]

Personally I think a SNR of 3.3 is a bit low, as long as it stays stable at that no problem, but it doesn't give much margin for possible noise spikes.

If it rebooted at 1am I wouldn't rule out the possibility that was DLM or even a firmware update.

Check your current stats and firmware level.

Give it a few more days.

[gipjon]

The new router vox3000 is far better than the 2018 vodafone router . The old router had a very bad reputation for drops . If all the drop are 1am till 4am then i would say its the DLM thats dropping to make changes to the speed and other setting . What i would say is dont keep unpluging the router or the DLM will think you got a fault and slow you down 

[Anonymous]

Actually, there is a very good reason for disconnects between 1am and 5am.  Disconnects can happen between these times if the cabinet thinks it can potentially re-sync at a higher rate.  It's just a part of the way OpenReach cabinets are set up.  *It shouldn't be happening every day though, maybe no more than once or twice a week in normal circumstances!

[Jayach]

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@Anonymous wrote:

Actually, there is a very good reason for disconnects between 1am and 5am.  Disconnects can happen between these times if the cabinet thinks it can potentially re-sync at a higher rate.  It's just a part of the way OpenReach cabinets are set up.  *It shouldn't be happening every day though, maybe no more than once or twice a week in normal circumstances!

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Just to add that once it has found it's optimal setting, it shouldn't happen at all. Not unless there is a line fault.