Whenever I download with high speed, internet slows down and WiFi disconnects

SirMerideo · May 12, 2015

I recently started downloading a pretty big file using uTorrent. The file is around 59GB. Whenever I download something with highspeed (up to 15-16 MB/s), a few things happen:

■ Internet slows down from 15-16 all the way to a few kB or 1.5MB/s
■ Unable to access my router through the IP address
■ Unable to connect to WiFi with any device, also kicks me if I am already connected.

Rebooting the router manually solves the internet issue, but I still cannot download the file.

Any help would be greatly appreciated.■

Update:
Before and After tests:

Before: http://www.speedtest.net/my-result/4354911466 (Pretty slow for some reason, should be 150Mbps up/down)

After: http://www.speedtest.net/my-result/4354927807 (This is actually a bit better than normal)

kanewolf · May 12, 2015

You may be overwhelming your router with too many simultaneous connections. What router do you have?

SirMerideo · May 12, 2015

I've a TP-Link WR340G. I only have my main PC and my Android phone connected to it. I even changed the WiFi channels, it was overlapping with my neighbor's WiFi.

kanewolf · May 12, 2015

Have you looked through any of the utorrent optimization documents ??? -- http://news.softpedia.com/news/uTorrent-Optimization-Guide-Simple-Tricks-for-the-Best-Performance-310202.shtml

That is a pretty low end router. It is just a wireless "G" not an "N". It is probably pretty easy to overwhelm the capabilities of that router.

SirMerideo · May 12, 2015

For some reason it only happens when I'm downloading bigger files that take more than a few minutes to download (judging by the fact that 1GB is under 1 minute). It started to act weird about 3-4 months ago.

SirMerideo · May 13, 2015

It's weird because today I was downloading a patch for Heroes of the Storm and it had no problems downloading at 11 MB/s.

Kewlx25 · May 13, 2015

What kanewolf said. You're probably killing your router with connections.

SirMerideo · May 13, 2015

Kewlx25 :

Not sure what you two mean by "connections", you mean I have too many devices connected?

kanewolf · May 13, 2015

uTorrent, opens MANY connections to maximize throughput. Those simultaneous connections can overwhelm a router. The router test article on the front of Tom's Hardware this morning discusses this problem. For torrent downloads, you may have to tune your client.

SirMerideo · May 13, 2015

kanewolf :

Is there any way to limit those connections?

SirMerideo · May 13, 2015

Never mind, I found it. I will try limiting it a lot, hopefully that will fix it.

SirMerideo · May 13, 2015

I changed the max connections from 50 to 5, that only delayed the effect, after a while everything stopped again. Should I set it even lower? It worked with BitTorrent, uTorrent just stops working if I modify that number for some reason.

kanewolf · May 13, 2015

SirMerideo :

I don't torrent so I can't help with that ....

SirMerideo · May 13, 2015

Well, the WiFi disconnect is fixed (sort of) so I guess it's better than nothing, thanks for that.

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Whenever I download with high speed, internet slows down and WiFi disconnects

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