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Problems bridging two routers via wifi

Discussion in 'Tomato Firmware' started by saboteur, Jul 11, 2009.

  1. saboteur

    saboteur Guest

    Hi there,

    I have two WRT54GL routers both running Tomato 1.25. I'm trying to set up a bridged connection between the routers, but I'm having a rather bizarre problem. Here's the topology:

    LAN A - 10.0.0.0/24
    Router A int 10.0.0.1
    Router A ext 172.16.40.2
    |
    WRT A 172.16.40.4
    |
    Bridged wifi
    |
    WRT B 172.16.40.3
    |
    Router B ext 172.16.40.1
    Router B int 192.168.1.1
    LAN B - 192.168.1.0/24

    Router A (Cisco 877) has a static route to 192.168.1.0/24 via 172.16.40.1
    Router B (ISA) has a static route to 10.0.0.0/24 via 172.16.40.2

    WRT A is in access point mode.
    WRT B is in wireless bridge mode.

    Router B and LAN B can ping Router A as well as anything inside LAN A.
    Router A and LAN A can ping Router B, but can't ping anything inside LAN B.

    If you switch the roles around so WRT B is the access point, everything is reversed:

    Router A and LAN A can ping Router B as well as anything inside LAN B.
    Router B and LAN B can ping Router A, but can't ping anything inside LAN A.

    Both are set to router mode (not gateway mode).

    All machines in each LAN use their respective router as the default gateway. The WRTs are used only as a wifi bridge.

    Any clues?

    Thanks!
     

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