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I have 100Mbps/10Mbps connection.
If I open any torrent, with download speed of 50kB/s, my connection goes down to 25Mbps immediately, and any website is really slow to load, even if it is just text.
I tested my speed on speedtest.net, and before using torrents the speed was the expected ~100Mbps, but after starting a very slow torrent, the speed drops to 25Mbps on speedtest.net, and I can barely open any website now. It basically is same as I was using 20kbps dial up modem right now! Even if I close the torrent, the speed doesn't get back to normal for a while.
What is happening? I noticed this behaviour only a week or two ago, and I have never had problems like this before.
Is my ISP secretly limiting my bandwidth when I try to use torrents?
I don't have a router, just a cable from my computer directly to the socket in the wall.
Possibly relevant: http://superuser.com/a/725578/165442 // http://broadband.mpi-sws.org/transparency/glasnost.php
– That Brazilian Guy – 2014-11-10T14:46:36.8201It could be any number of things, but it doesn't seem like throttling by your ISP. If your ISP was throttling you would see a decrese in performance of torrents, but general internet traffic would be unaffected (since ISP's use content-based filtering that could single-out your torrent traffic.) I don't think we'll be able to fix your issue here since the problem could be one of dozens of things. – Mr. Mascaro – 2014-11-10T14:48:51.873
@ThatBrazilianGuy That test is worth a try certainly. My answer covers the other possibility. – Tonny – 2014-11-10T14:50:39.543
Your ISP does indeed sound like its throttling your connection when it comes to torrent. But the fact your connection is "slow" is because the bandwidth is saturated. – Ramhound – 2014-11-10T16:14:37.907
Just call and ask your isp. they will flat-out tell you. – Sickest – 2014-11-10T17:19:44.893
@Sickest, "just call your ISP" if it was that simple yeah i would call. Last time i called them, it took 60mins until i gave up and got tired of hearing "you are still waiting on the line...". and i have very little hopes for them actually even knowing anything about this or wanting to do anything about it. – Rookie – 2014-11-11T16:58:38.737