What's all this then?

Soldato
Joined
1 Jan 2007
Posts
3,186
Location
Exeter
Hi all! Over the past couple of days my ADSL connection (provided by Vispa) has been very up and down. Most of the time it's very slow - speeds in the 56k modem range, however there are periods where it'll be somewhere near normal. This graph, which I've nerdily produced, shows ping times to Google - as you can see, the ups and downs are very regular (the spikes are timeouts).

pingjk.jpg


I've been on to Vispa who state there's nothing wrong with the line and that my stats seem fine. (They don't traffic shape or ought, and anyway I've used way more in previous months than I have this month and I'm nowhere near my limit). I've tried the engineer's socket and replacing the filter, none of which has made anything any happier.

Anyone have any idea what could cause this? I've not had an internet connnection behave like this before. It's the same on all the computers and mobile devices in the house. The next step is to get a BT engineer out but that'll cost me if they don't find anything wrong at the exchange, so I want to rule out any other potential problems.

Thanks for any help!

MD
 
Anything running on any of the nodes of your network that could be using the majority of your upstream bandwidth.

A random, more specific question, do you have an ubuntu machine running on the network?
 
Only my PC, the wife's laptop and my phone...haven't noticed anything amiss about any of them. Will try the ping test again with each of them turned off to see if anything changes. There's no Ubuntu machine, tho the phone is Android which is Linux-ey I suppose.
 
Okay, so it turns out the problem only occurs when my main gaming PC is on and connected to the router. When it's not, all the computers work fine. I'm currently on the main PC using an Ubuntu Live CD and everything is hunky-dory.
Is it good reasoning then to assume that the problem lies within Windows, either a driver issue or some software problem? I can't think of anything else it could be given the circumstances, but I don't want to do a lot of messing around if my reasoning is specious.
 
Could be a faulty PSU causing your problem (REIN).

If it works in safe mode, then possibly not. This is a weird one.
 
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