Wireless @ 1-2 Mbps on WDS setup

Discussion in 'Networking Issues' started by runssh, Nov 13, 2007.

  1. runssh

    runssh LI Guru Member


    I've set up the following in my home network:

    WRT54GL - tomato 1.11 --> Router

    WRT54GL - tomato 1.11 --> AP + WDS (1)

    WRT54GL - tomato 1.11 --> AP + WDS (2)

    HP Desktop connected to (1) can transfer data to Dell Desktop connected to Router at 22 Mbps.

    However, wireless client connected to (2) can transfer data to Dell Desktop @ 1-2 Mbps but signal strength is excellent while connected to AP (2).

    The 2nd AP is located downstairs whereas the router and 1st AP is located one floor above.

    Network utilization on the Linksys USB adapter is @ 2.5% of the 54 Mbps connection.

    Any thoughts?

  2. thepianobar

    thepianobar Network Guru Member

    When running WDS, there's extra overhead in keeping that connection between AP's alive. So when you send data from the laptop to AP2, then AP2 needs to interrupt the flow between itself and the laptop in order to wirelessly send the data to AP1 and then on to the desktop. Any AP is dividing it's bandwidth equally among its clients, but with WDS running, not only is it dividing bandwidth between clients, but the clients are trying to send/receive at the same time which causes congestion issues. WDS is a nice feature when you need it, but don't expect amazing performance. I would only use it when absolutely necessary and always try to connect your APs to a wired backbone.

    Does this explanation help? If not I can go into more technical detail, but that's it in a nutshell. I'm not sure what actual speeds you should expect, but what you show above doesn't seem too unreasonable.
  3. runssh

    runssh LI Guru Member

    It makes sense. How bout connecting the laptop to Router instead when viewing wireless connections? Would that alleviate the congestion as the laptop is bypassing both APs? The signal, however, tops off at 60%. Thanks.
  4. thepianobar

    thepianobar Network Guru Member

    If you mean connecting your laptop to the router via an ethernet cable, yes this will help. It will also help if you connect your laptop so that you reduce the number of hops required as shown by the fact that connecting to AP1 gives better speeds than AP2. If you're seeing 60% utilization of your network adapter in Windows... that's pretty decent, I don't know that I've ever seen it get close to 100% utilization, especially for a wireless adapter.
  5. runssh

    runssh LI Guru Member

    No, I meant connecting to the router via wireless connection. The 60% reference was to signal as opposed to network utilization. My apologies for the wording of my last post.

    So, instead of access AP2 or AP1 for that matter, I would direct usb g adapter to latch onto Router's signal and bypass AP1 and 2 as far as hops are concerned. Trying to rule out Ethernet connection at this point. Thanks for the suggestions though. :)
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