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2 WRT54G's to extend wireless range

Discussion in 'Sveasoft Firmware' started by olanin, Aug 16, 2004.

  1. olanin

    olanin Network Guru Member

    I want to use a second WRT54G (3rd in the future) to extend the range of my wireless network. The second (and 3rd in future) would be connected either wirelessly or wired to the main AP. I would perfer wirelessly, but I hear theres a 50% bandwith loss per extra WRT54G and if theres no loss by connecting it wired, id use that. A few questions.

    Im using Satori-4.0 v2.07.1.7sv

    1) Is Satori-4.0 v2.07.1.7sv the best firmware to do this or is there another version/firmware better? The WRT54G's is just for wireless connection only, no extra fancy things going on.

    2) Can the second/third WRT54G act as a repeater for the wireless network (same ssid) if all the WRT54G's are connected by wire? And no incur a 50% loss or any loss?

    3) I tried to connect them both wirelessly, but with no luck. I found some more info on Sveasoft's site and will try them later, but cant post on there messageboard for some reason. Any setup tips? Im using WPA shared-key w/tkip and permit only mac address (both WRT54G's have 3 mac address to permit, both WRT54G's and one network card).

  2. Toxic

    Toxic Administrator Staff Member

  3. olanin

    olanin Network Guru Member

    Thanks for the link. I didnt play around with that part. I'll give it a try and see what happnes :D
  4. AbNormal

    AbNormal Network Guru Member

    This is correct. The WRT routers only have a single radio onboard that has to constantly switch between receive and transmit modes.

    What this means, is that it first receives some data, then it repeats it back to the 'air' (ether). So for any given data rate, the throughput rate will be reduced to a tad under one half.

    With the 2nd/3rd routers wired to the gateway router, then they only act as access points, not repeaters, so your maximum throughput is preserved. But remember, that even an access point has to constantly switch between receive and transmit (half duplex mode) to service a wireless client. The actual throughput with a 54Mbs router will depend on whether the traffic is mostly one way, or bi-directional. Even when only downloading, there is some reverse traffic required for handshaking, so you never even come close to a full 54 Mbs stream.

    So, whatever net throughput you realize in a wired environment, divide by two for a wireless repeater mode.

  5. olanin

    olanin Network Guru Member

    Hopefully im putting this the right way.

    If I had all three wired together, is there away to (link) set it up to connect through the wired connection. Like a wired WDS instead of a wireless WDS? That way the 50% loss wouldnt apply plus all would have perfect connection all the time to the network.
  6. Couledouce

    Couledouce Network Guru Member

    I believe you can do this with the Linksys standard firmware:

    If the second WRT is connected via wireless, it can function as a wireless client for LAN connections and I think you can use WPA full throughput:
    I'm not so sure about WPA with Client mode:
    Otherwise if connecting the 2 WRTs using wireless WDS the second WRT is a wireless access point (can have wireless clients connected) BUT with 1/2 throughput and with WEP only (WPA not supported with WDS and Satori firmware, this I am sure of).
  7. olanin

    olanin Network Guru Member

    Thanks. Under WDS there is an option for either P2P or LAN. I chose lan and put the others mac address in each others. I think this is what I want, but i'll play around abit.

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