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why a special script to access DSL modem pages

Discussion in 'Tomato Firmware' started by azjerry, May 30, 2009.

  1. azjerry

    azjerry Addicted to LI Member

    When my DSL service was recently upgraded I found that I could not access the DSL modem's web pages through my WRT54GL / Tomato 1.19 router. I found a script to add to the router which allows that and all is well.

    In talking to a friend of mine (not sure what router he has) he has no problem accessing his DSL modem through the router. I assume there's something in Tomato that prevents this normally?
  2. mstombs

    mstombs Network Guru Member

    You only have a problem if the modem is in full bridge mode (and some variants of half-bridge mode), because the default route in Tomato is to route via the ppp interface which tunnels to the ISP. You need to tell tomato to use conventional TCP/IP comms to talk the modem using its local IP. The modem also needs to know how to route its reply.
  3. azjerry

    azjerry Addicted to LI Member

    I should have added that I now have the modem set to transparent bridging mode. The PPoE login, which was done by the modem, is now done by Tomato.

    When the modem was first installed the PPoE login was still done by the modem. I was not able to access the modem through the router. This is the same configuration my friend has and he is able to access his modem.
  4. Planiwa

    Planiwa LI Guru Member

    I wouldn't assume anything, but instead ask your friend to identify his modem, his router, the IP address of each, and which do(es) PPPoE.

    I would not rule out the possibility that his modem and his router are the same device, as almost all modems come bundled with "routers", and are usually called "routers", rather than modems.

    I only know of two modems that are not (called) routers and neither have a telnet interface. One is a dumb modem, and the other is not too "smart".
  5. azjerry

    azjerry Addicted to LI Member

    His new ADSL2+ modem is an Actiontec M1000 ( His router is a D-link or Netgear ( that he used with the previous VDSL DSL modem which did not require a login/password. I know. I had the same VDSL modem.

    All the tech did was
    - remove the old modem
    - connect the new modem
    - connect to the new modem's web pages through the D-link router and finish the setup of the modem including the PPoE id/password

    FYI, the previous VDSL modem was a Motorola Etherset. From what I could determine it had one and only one web page that was used solely to load new firmware.

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