Need Bridge Help

Discussion in 'Tomato Firmware' started by scuba_steve, Oct 5, 2007.

  1. scuba_steve

    scuba_steve LI Guru Member

    I have read dozens of threads and I am no closer to finding what I need...most likley because I lack proper understanding of the terms...but this is what I have:

    • WRT54G v2 (Router 1) running Tomato 1.09 and connected to the cable modem
    • WRT54GL v1.1 (Router 2) running Tomato 1.09...and what I would like to use to replace an old 802.11b ethernet bridge

    ...and these are my specific bridge goals:

    • Router 1 is the only router that accepts wireless connections
    • Router 2 bridges wirelessly to Router 1 and allows multiple wired clients - wireless clients to Router 2 are not necessary
    • Max speed and (more importantly) lowest possible latency for wired clients at Router 2

    Can anyone help me out? Thanks.

  2. GeeTek

    GeeTek Guest

    You are gonna love this....

    Radio 1 - BASIC NEWORK page set mode to "Access point + WDS". IF you have no 802.11B clients set mode to "G". Drop down to the WDS table that opened and enter the Wireless MAC of Radio2. Save. Under ADVANCED - WIRELSS set CTS Protection Mode OFF (unless you have 802.11B traffic), Frame burst enabled and transmit power around 60 mW. All other settings factory default.

    Radio 2 - BASIC NETWORK page set WAN / Internet = Disabled. LAN Router IP address = any address not in DHCP range of R1. Static DNS all 3 fields blank. DHCP server UN-Checked. Wireless Mode WDS. (OR AP+WDS if you would like it to support wireless clients). B/G mode and channel Same As R1. WDS field put Wireless MAC of R1. Save. Advanced Wireless - Same as R1.

    With a strong signal you will have about 30 Mbps bridged bandwidth from R1 lan port to R2 lan port. Get it working with no encryption, and then add as a last step if you need it.
  3. scuba_steve

    scuba_steve LI Guru Member

    Thanks much for the great response GeeTek. Unfortunately, I do presently have one B client - my old Series 2 Tivo box. I may get rid of it, but it is in the mix until I get either a new USB ethernet adapter or a USB wireless G adapter for I'll have to leave B/G mode at MIXED for now I suppose.

    A couple of follow up questions:

    1) The wireless mode drop-down list box has a choice for wireless ethernet bridge. Why am I not just using that on Router 2? Would that take multiple clients out of the picture for Router 2?

    2) CTS protection mode is set to DISABLED by default now on the AP Router (before changing any of my settings or adding the bridge)...and I have the aforementioned wireless B client. Is that an issue?

    3) Are the frame burst and power recommendations for Router 1 just good ideas in general or is there something unique about the bridge configuration that benefits from these settings? Should I also be configuring Router 2 in the same manner with regards to these settings?

    4) Do I need to specify an SSID on Router 2...and does the traffic need to be on the same or a different channel? If different, is there any guidance with regards to channel spacing?

    Thanks again!

  4. GeeTek

    GeeTek Guest

    1 - I'm not sure that there is any functional difference between W.E.B. and W.D.S. for your setup. You might try both to see if WEB is as good as WDS.

    2 - I beleive CTS protection is for the benefit of other 802.11B routers that may be in the area, and not needed simply because you are running your router in mixed mode. I forgot that it was off by default.

    3 - The frame burst and power recommendations for Router 1 are good ideas in general but particularly when done to both radios.

    4 - WEB mode needs the same SSID, WDS can have any SSID. Radio channel on both units must be the same for either mode.
  5. Odin-60

    Odin-60 LI Guru Member

    Only one single client works reliably behind a "wireless ethernet bridge".
    (The word "bridge" is very misleading here.)

    Using the same SSID on both WDS nodes you are on the safe side...
  6. GeeTek

    GeeTek Guest

  7. scuba_steve

    scuba_steve LI Guru Member

    Fantastic! Thanks guys! I can't wait to get home and try it out! :)

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