Downloading torrents causing my ping to time out

Discussion in 'Cisco/Linksys Wireless Routers' started by amree, Nov 2, 2005.

  1. amree

    amree Network Guru Member


    I really don't know what's wrong.. When I'm downloading 3 torrents (total download speed < 20kb), my ping to the gateway ( started to time out, but if I reduced it to 1 torrents, the time out decreased, but it's still there.. and if I stopped all of them, the time out rarely occur. I've tried direct downloading at full speed (about 50 kpbs) and the time out didn't occur only the time increased. So what the heck is wrong ?

    My spec :
    512 kpbs ADSL
    WRT54GS ver 1.1 (CGN2)
    Usig dd-wrt.v22-final-r2 (dd-wrt.v22_wrt54gs.bin) as the firmware
  2. Toxic

    Toxic Administrator Staff Member

    problem usually is not your download, but the amount of connections to your PC from BT clients trying to download your shared files.

    try limiting the amount of connections to you software, AND if possible set a maximum upload speed to the clients that are downloading from you.

    make sure in QoS settings in DDWRT firmware that your BT clients ports are set to Bulk priority and upload speed is 80% of the max limit for uploading.

    if you bt client doesn't have setups for each file then try Azureus as this allows settings of invididual upload speeds etc
  3. amree

    amree Network Guru Member

    ^ But I'm using the default amount connections and QOS is also disabled. I also set my total upload speed at 5 kbps only.. is there anything I can do ? But, this is a problem isn't it ? The ping to the gateway shouldn't time out right ? Or is this normal ?
  4. Toxic

    Toxic Administrator Staff Member

    the problem is the amount of connections to you from outsiders can be in the 100's or 1000's this in itself hogs your uplink bandwidth thus carashing routers or bringing them to a vitual standstill.

    with BT you have really got to use QoS or else you have the effect you are getting now.

    either add Qos as I recommended or just have a slow or none existant internet. do you not understand that people have spent 100's if not 1000's of man hours in making QoS just for this type of thing to work?
  5. amree

    amree Network Guru Member

    Thanks for the info.. but, I'm really clueless in QoS settings.. could you please guide me on the setting so that the time out won't occured ?
  6. mrbond82

    mrbond82 Network Guru Member

    Solution to your problems

    I understand your frustration, I've spent a week trying to fix my router so that I can get good downloads with a P2P client WITHOUT killing my network. I had all the problems. Slow downloads, dns timing out, couldn't connect to my router at, just overall crap.

    I wrote a guide on how to get it working. And yes, QoS IS DISABLED. I think QoS is a piece of S#$@. I don't think the router processor can keep up with all the prioritizing it needs to do when you have hundreds of torrent connections to your machine.
    Don't get me wrong, QoS is a good idea for big ISPs that have expensive Cisco routers with big CPUs + RAM in them, but your puny ~200Mhz + 16 MB RAM in your WRT54G just can't keep up with it. So the bottom line. DON'T USE QoS (read PoS).

    My solution is to analyze your connection speeds and cap the TORRENT client, not the router. I mean, really, does your whole network need to prioritize Torrent packets? You usually only download torrents from one computer (especially if you are only using a WRT54G, a "home" router, which isn't designed to handle huge networks).

    So far the results of my guide for others have been successful with other people.

    Check it out:
  7. amree

    amree Network Guru Member

    Finally, my problem is solved.. I follow your guide, well, not all of them, I still enable my firewall and disable my UPnP. I flashed the router with the latest DD-WRT firmware. No more ping time out.. I guess all I have to do is just flash the firmware.
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