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Bridging a gap using Wi-Fi devices.

Discussion in 'Networking Issues' started by JonasSS, Aug 26, 2008.

  1. JonasSS

    JonasSS Addicted to LI Member

    I live in an appartment building on the 3rd floor. Recently i installed UTP and power cables to my basement, so that i have the possibility of setting up a home server down there. Unfortunately the cables end up in the hallway, and my router and switch is in my living room, with a very thick (35cm) wall in between.

    In order to avoid haveing to pull cables all over the place, I went through my "usefull stuff" box and found a couple of WAPs. a TEW410 from trendnet, and a d-link DWL-2000 +

    Both devices support bridging/Client mode, but apparently only using WEP.

    I use WPA2-PSK for my wireless network (main AP is a WRT54GC), and I'm not interested in using weaker algorithms.
    Does anyone have a suggestion as to which HW i could aquire to solve the problem without having to drill through all my walls?

    Would a WET54G do the trick?
     
  2. HennieM

    HennieM Network Guru Member

    Whatever you use, you'll have difficulty in finding a device that could link, as a Wireless Ethernet Bridge (WET), or via WDS, with your WRT54GC using WPA2-PSK. The WET and WDS links are usually limited to WPA-PSK. Thus, you might have to set your GC to WPA/WPA2-PSK, which should still allow your clients to speak WPA2 to it, but also allow a WET or other device to speak WPA to it.

    If the current firmware of the TEW or DWL does not allow wireless bridge mode, check if they are supported by the dd-wrt firmware at http://www.dd-wrt.com/wiki/index.php/Supported_Devices. This firmware would allow you to set up your second device as a WET, which could then connect to your GC.

    If you want to buy a new G-device, I'd rather suggest a WRT54GL. This is a WAP, but with 4/5 ethernet ports. Load Tomato or other 3rd party firmware on it, and you have your WET.

    If the two wireless devices are more or less vertical (one in the basement and one on the 3rd floor) to one another, you might have to turn one antenna on each sideways (parallel to the floor) to get good reception.
     
  3. JonasSS

    JonasSS Addicted to LI Member

    Thanks for the reply.

    Unfortunately neither the DWL nor the TEW are supported by DD-WRT.

    The WRT54GC is capable of bridging mode - so maybe I could use that as the connecting AP and then the WRT54GL as the main AP instead?

    Luckily the signal only has to traverse 6m - the connection to the basement is wired, I wouldn't trust a wireless connection through 4 floors.
     
  4. HennieM

    HennieM Network Guru Member

    Can do. You can even try the DWL or the TEW as the AP, and the GC as a WET in bridge mode. Some devices support WPA/2 in AP mode, but not in bridge mode.
     

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