Using BT slows the web to a crawl. Even when BT is closed!

Discussion in 'Cisco/Linksys Wireless Routers' started by GaryKing, Oct 11, 2005.

  1. GaryKing

    GaryKing Network Guru Member

    When I am using BitTorrent, the web slows down to a crawl. It can take a minute to load Google. Even when I just opened BT for one second, it does this. And when I close BT, the problem still persists until I restart my computer.

    What's even stranger, is that when I am running BT and websites are loading slowly, when I use the command prompt to ping websites such as Google or even my router, the ping is normally fairly decent, like 50 ms, but sometimes can reach 250 ms. Anyways, when it's at the 50 ms range (which is about average), and when I go to or even the IP address, the website is slow! Why? Even my router admin page is slow, and it is a local address!

    Why does this happen? Could someone please explain?

    Thanks in advance!
  2. Damademan3

    Damademan3 Network Guru Member

    I have the same problem. I came here looking for someone with the same problem and hoping it has a answer.
  3. averagecdn

    averagecdn Network Guru Member

    Same problem here... I have changed the MTU settings on my router and it was working but now its back to slow.... it has something to do with the router not dumping or something...

    Linksys actually explained this to me one time.
  4. GaryKing

    GaryKing Network Guru Member

    Could you please post the email that Linksys explained this to you in? And could someone PLEASE help out on this issue?
  5. AngryGuy

    AngryGuy Network Guru Member

    Having the same exact problem and came here to see if there was any solution.

    I've got a WRT54G v4
  6. crawdaddy

    crawdaddy Network Guru Member

    when you run BT, it opens a ton of connections. your OS is not closing them after you quit ur BT client, which means that those conenctions are clogging your machine. the reboot is the only thing that will fix that, either that or switch BT clients maybe.
  7. GaryKing

    GaryKing Network Guru Member

    But even if the connections were not closed, aren't they simply idle? And so Windows can still open new connections, leaving the idle ones alone? Or has Windows reached the maximum number of connections it can handle? But, I believe that Windows does not have a maximum - the maximum is only 'temporary' in that it only takes effect during the first few seconds of a high number of connections, but then the cap is gone.
  8. cgondo

    cgondo Network Guru Member

    i have been told that Win XP SP2 has max concurrent connection limit of 10. There is a program to change this available on the net. Give it a try. There is also a start up script for the WRT54G custom firmwares to shut down idle connection
  9. Toxic

    Toxic Administrator Staff Member

  10. AngryGuy

    AngryGuy Network Guru Member

    The thing about it is that BT worked fine when I had my BEFSR41 plugged in, but as soon as I plugged in my WRT54G a few weeks back, it started doing this. So it has to be solely the router. I don't buy that WinXP connection limit, unless the router is having trouble closing connections where the BEFSR didn't.
  11. Zodiacal

    Zodiacal Network Guru Member

    im having this same problem too, even with the tcpip.sys fix

    im having this same problem too, even with the tcpip.sys fix. any one have any suggestions?
  12. mrbond82

    mrbond82 Network Guru Member


    Hey everyone, I'm just surfing all the posts I can find with torrent downloading + WRT54G problems.

    When I went to buy a wireless router to update my house, I finally settle on the WRT54G (I have a ver 3.0). It was a beautiful router, up and running in in a few minutes (even secure wireless). But that night when I went to download torrents, I noticed that I was unable to surf the net but I left it on overnight. I noticed my speeds were only like 1-2 kb/s down which was WAY below my connection speed limits.

    Skip ahead a few weeks....

    I was getting sick and tired of people telling me that maybe my connection wasn't that fast, or maybe I should set up QoS (which, evidently, only made problems worse!)

    I searched through forums, guides, blah blah blah, nothing could help me so I did some experimenting, and now I have FAST TORRENTS download and no internet/dns etc lagging with a rock-stable setup.

    The guide I wrote can be found here:

    Good luck.
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