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WRT54GS and BT Voyager 220V modem

Discussion in 'Networking Issues' started by jdenyer, Nov 20, 2008.

  1. jdenyer

    jdenyer Addicted to LI Member

    Hi folks

    I'm attempting to set up a wireless internet connection at home. I have:
    BT Voyager 220V modem.
    Linksys WRT54GS router.
    Desktop PC connected to modem via USB.
    Laptop connected to router via ethernet (forget about wireless connection for a minute, I'll sort that out once the hardware starts communicating).
    The modem and router are connected together via crossover cable.

    Desktop PC
    BT Voyager 220V modem -> Internet
    Linksys WRT54GS

    The desktop PC has working internet access via the modem.
    The laptop can ping the router, but no internet access.

    Assuming default settings on the modem and router, what settings do I need to change on the modem or router to get internet access from my laptop?

    The only info I've found so far is vague and suggests turning off NAT on the modem (which only breaks the desktop PC internet connection) and something about bridging which was too vague to follow.

    Many thanks

  2. mstombs

    mstombs Network Guru Member

    You'll probably be in "double nat" to start with, but it should work. Most important that you have a different local IP range for modem (say and router (say If both the same range the router won't know which interface to find the modem.
  3. jdenyer

    jdenyer Addicted to LI Member

    OK, thanks. I'll try that when I get home from work. They're currently set at for the modem and for the router.
  4. jdenyer

    jdenyer Addicted to LI Member

    Hoorah! I changed the router to and that worked. Thank you very much.

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