Re: Virgin Media Internet circuits switching every hour

On 14 Jul, 21:51, Alex Fraser <m...@xxxxxxxxxxx> wrote:

But presumably nothing that coincides with the short "loss of
connection" events. Bottom line: it seems extremely unlikely to be down
to a signal problem.

Alex

Thanks Alex.

I've done some more digging ...
To save time writing an app to monitor the line, I found TCPSpy
(http://www.sharewareconnection.com/tcp-spy.htm)
I ran it on both ends of the link and then ran NetSupport.
Right on schedule, the line dropped and both ends reported
"WSAECONNRESET" - which suggests the other end closed the session.

To confirm the timing of the break, I waited 30mins and completely
removed the power to the modem, waited a minute and then powered it
back up. The next break was exactly an hour after the previous break.
This suggested that it's not the modem but either the network or my
PC.
Then I powered off the PC and then back on - this time the line stayed
open for almost an hour.

Therefore, I beleive the fault is with my PC.
In the past when the break occured almost on the hour, I must have
rebooted on the hour and not realised the significance.

So, I'm now looking at what has changed on my PC since 24th May -
other than a couple of Windows updates I cant find anything yet. No
network driver updates, no power management changes.
I cant try connecting directly to the modem via USB because the PC and
Modem are at opposite ends of the house and USB won't go that far.
.

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