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Notebook disconnecting in WDS

Discussion in 'Tomato Firmware' started by MasterNES, Jun 9, 2007.

  1. MasterNES

    MasterNES LI Guru Member

    Hello; I have been using Tomato for some time now with AP/Client mode, and it's been working well. I've recently switched to WDS mode to take advantage of some of its features. However, my now roommate says he is disconnected frequently (several times a day).

    Here's the setup:
    Modem->WRT(WDS+AP)
    2nd WRT(WDS+AP), connected wirelessly
    Roommate's laptop

    I never have any kind of problems on my PC connecting through the WRT.

    Any ideas?
     
  2. dvd-guy

    dvd-guy Guest

    Mine seems to disconnect too. I think there's something wrong with the settings.
     
  3. digitalgeek

    digitalgeek Network Guru Member

    have you tried rebooting both routers...

    as well make sure the SSID is the same on both routers and you use an encryption method compatible with all clients. I have been using WPA-PSK AES for sometime know with great success...
     
  4. dvd-guy

    dvd-guy Guest

    I use WPA-PSK TKIP. I've adjusted the Fragmentation threshold to 2304, RTS theshold to 2304, and the beacon interval to 50. I'm trying to stream video from one computer to another. I keep getting disconnected randomly.
     
  5. digitalgeek

    digitalgeek Network Guru Member

    I have left all those settings at default and I stream video to my laptop all the time with out any difficulty... Try AES and see if there is any difference.
     
  6. MasterNES

    MasterNES LI Guru Member

    I also use TKIP. I'll try AES the next time I'm there, but wouldn't TKIP working in client mode rule out WPA incompatibilities?
     
  7. dvd-guy

    dvd-guy Guest

    I'm still getting a lot of disconnects. It happens with two laptops using different network adapters, so it's definitely the routers. I'm streaming video from a Desktop and the signal intermittently drops. I have only 5.8GHz phones, and I've set my channel to 1. Other networks are using 6 and 11.
     
  8. digitalgeek

    digitalgeek Network Guru Member

    I have had to switch to channel 1 myself. The only other thing I would suggest is that your clear NVRAM and reconfig manually (don't use a backup).

    TKIP should work, but I switch to AES because my Mac didn't want to connect using TKIP. Otherwise my setup is basically default + WDS, and everything works well.
     
  9. dvd-guy

    dvd-guy Guest

    I've cleared the NVRAM (thorough) and redone my settings 3 times already. It's not some lingering data from a previous installation. I'm going to try some high gain antennas, although I can't figure out why that would help. It actually works for a while, but disconnects half way through. I'm streaming video from a desktop, so it's annoying when my video signal just stops working.
     
  10. gotamd

    gotamd Network Guru Member

    I recently set Tomato up in a WDS situation. I could not get WPA working stably at all. I had to use WEP to keep from dropping connections. I didn't have time to fool around with the beacon interval or thresholds, so they were left on defaults.
     
  11. dvd-guy

    dvd-guy Guest

    If that's the case, it might be the WPA key rotating that's causing the problems.
     
  12. MasterNES

    MasterNES LI Guru Member

    If you guys have 2 routers, have you tried disconnecting the one(s) that's not connected to the modem? I can't try it myself since I'm out of my apartment for awhile, but it would be interesting to see if that's what's causing the disconnects. Perhaps notebook wifi cards don't fully support WDS and encounter problems when attempting to switch between WDS APs?
     
  13. digitalgeek

    digitalgeek Network Guru Member

    As I have stated earlier, my settings are default (beacon and thresholds). I have 7dbi antenna's and my output power is set to default (42 mw) I have experimented with increasing the output power which only comprimised the stability in the connection. (the problem with amplifying is you end up amplifying the noise with the signal making the output worse not better)

    are you using lazy WDS, or connect to the specific wireless mac? the only things that I can think of are wireless channel and router position that may make the signal not transmit correctly... my gateway is in my basement which consists of a concrete block foundation (my house is over 30 yrs old), my secondary router is in my bedroom, which is in the opposite corner of my house... as suggested above, if WPA will not cooperate you can try wep. remember when choosing WPA-PSK AES, do not choose AES+TKIP, this is not compatible with WDS.
     
  14. MasterNES

    MasterNES LI Guru Member

    I don't know about them, but I'm personally using the WDS setup through MAC. I'm using a pretty standard setup...in fact, I'm using the exact setup shown for WDS in the Tomato FAQ. Digitalgeek, are you using laptops or does your entire wireless network consist of WRTs?
     
  15. digitalgeek

    digitalgeek Network Guru Member

    I am assuming that your WDS connection is very stable at this time. Check the drivers on your clients are up to date.
     
  16. digitalgeek

    digitalgeek Network Guru Member

    The other recomendation I can make is for windows XP that you use WZC not the wifi devices utility.
     
  17. paped

    paped LI Guru Member

    This may be related, maybe not but it might help some of you....

    If you have manually set-up your settings in windows delete them, go in to the wireless menu window by clicking the wireless tray icon and use the wizard utility to set-up the connection. I had the same problem with 2 laptops using a standard WEP wireless network (not WDS) and this fixed it. From speaking to some of my IT colleagues it appears that Windows is sometimes a bit flaky in this area and using the wizard seems to fix the problem, which it has for me.

    Hope this helps....
     

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