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Problems with using Sp Touch as a Bridge with router

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  • Problems with using Sp Touch as a Bridge with router

    Hello all,

    I need to allow IP traffic on 3 particular ports into a G5 Xserver on my network. The network consists of several macs running OS X and PCs running XP all are configured with a static 192. etc addresses. All machines connect to a switch, which is also connected to a router, which also connects to a Speedtouch Home modem. The router is setup with an internal address of 192... and is configured to sign the modem in with a Static PPPoE address, signon and password.

    I have upgraded the Speedtouch to a Pro and configured it as a transparent bridge as per the documentation on this site. I have added the IP forwarding commands to the router to send any traffic on the 3 ports to the Servers IP. I also added a command so I could remote manage my router and have added the NAT command to the ST modem to forward all traffic to the router.

    But I cannot get a connection from an external address, I can't even remote to the router. The connection always times out. I do however see some traffic being accepted at the router and my server when I check the logs. I have also tried this with both my router Firewall and Server Firewall disable. So I think it is more to do with routing the traffic between the router and modem.

    I am only new to this level of networking so this site has been a great help so far, If anyone can advise any next steps or things to check it would be greatly appreciated.

    P.S I have downloaded both the ST manuals and read most of the articles on ST modems. I have just run out of things to try so I would be happy to be pointed in the right direction.

    Network layout:

    Internet
    |
    Splitter
    |
    Alcatel modem
    |
    10.0.0.138
    |
    61.143.143.12 (Static IP from ISP - sample)
    |
    Router signs in with PPPoE
    |
    192.168.0.1
    |
    |
    |
    |
    PC1-------------------Switching Hub--------------------PC4
    192.168.0.101 / \ 92.168.0.104
    / \
    / \
    | |
    Xserver Mac2
    192.168.0.102 192.168.0.103
    Last edited by davidcl; 18th August 2005, 04:05. Reason: Fixed the Problem editing Title

  • #2
    Re: Problems with using Sp Touch as a Bridge with router

    Where is Melse? He is really good with these modems.

    I'm a bit confused.

    Internet
    |
    Splitter
    |
    Alcatel modem
    |
    10.0.0.138
    |
    61.143.143.12 (Static IP from ISP - sample)
    |
    Router signs in with PPPoE
    |
    192.168.0.1

    Where is the router? Do you have 2 x Speedtouch, 1 (the Home) as a bridge and the 2nd (covert Home to Pro) as the router or is it something different?
    1 1 was a racehorse.
    2 2 was 1 2.
    1 1 1 1 race 1 day,
    2 2 1 1 2

    Comment


    • #3
      Re: Problems with using Sp Touch as a Bridge with router

      Sorry for the confusion. But I'm not exactly sure where I should place the Static IP address. But to clarify, I only have one modem, it is a ST Home that I have hacked to act as a Pro. This Modem is connected to a DLINK router, which in turn connects to a switch/hub that all my PCs and Macs connect to.

      Internet
      |
      Splitter
      |
      Alcatel modem 10.0.0.138 (61.143.143.12 (Static IP from ISP - sample))
      |
      Router signs in with PPPoE 192.168.0.1
      |
      Switch
      |
      PC 192.168.0.5

      Comment


      • #4
        FIXED !! Re: Problems with using Sp Touch as a Bridge with router

        GREAT NEWS !! I fixed the problem. I can not explain why but the way I configured the router caused the problem. As you explained in the docs if you change the ST home to a Bridge, you must get a router to sign the modem in. I added the PPPoE details into the router, I used the Static PPPoE option as I had been issued with one from my ISP.
        On a hunch I switch the WAN config to be Dynamic PPPoE and everything now works. I can now hit the Static IP from the internet and talk to my server inside my network.

        Apologies for any hassle caused
        David

        Comment


        • #5
          Re: Problems with using Sp Touch as a Bridge with router

          No apology necessary David. We are glad you sorted out the problem and post back with the fix. It is appreciated.
          1 1 was a racehorse.
          2 2 was 1 2.
          1 1 1 1 race 1 day,
          2 2 1 1 2

          Comment

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