Two internet connections, two routers, one network

Discussion in 'Network Routers' started by Sheldon Tanner, Sep 5, 2005.

  1. I currently have a cable modem connected to a D-Link DI-624 wireless
    router, connected to an 8 port switch, which connects 5 hard wired
    computers. The wireless router also serves two wireless computers. The
    only purpose of the switch was to expand the ports, as the router only
    has 4.

    What I need is to maintain the current conectivity, with the cable
    modem providing internet connectivity for all these computers, except
    for one of the hard wired ones. I would like to add an ADSL modem into
    the mix to provide internet connectivity for just the one computer. As
    far as internet connectivity, this machine would be isolated from the
    others. However, I would still like that computer (file server) to be
    accessable by the other computers on the local network.

    Is this possible by linking the ADSL in through another router, and
    setting the gateway to a different address, then setting the lone
    computer to use that gateway?

    One person has told me that this can only be accomplished using two
    identical VPN routers with a VPN connection between them. I'm having
    trouble understanding what the VPN specific connection buys me. Any
    ideas, suggestions, wisdom, or direction appreciated.
     
    Sheldon Tanner, Sep 5, 2005
    #1
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  2. From: "Sheldon Tanner" <>

    | I currently have a cable modem connected to a D-Link DI-624 wireless
    | router, connected to an 8 port switch, which connects 5 hard wired
    | computers. The wireless router also serves two wireless computers. The
    | only purpose of the switch was to expand the ports, as the router only
    | has 4.
    |
    | What I need is to maintain the current conectivity, with the cable
    | modem providing internet connectivity for all these computers, except
    | for one of the hard wired ones. I would like to add an ADSL modem into
    | the mix to provide internet connectivity for just the one computer. As
    | far as internet connectivity, this machine would be isolated from the
    | others. However, I would still like that computer (file server) to be
    | accessable by the other computers on the local network.
    |
    | Is this possible by linking the ADSL in through another router, and
    | setting the gateway to a different address, then setting the lone
    | computer to use that gateway?
    |
    | One person has told me that this can only be accomplished using two
    | identical VPN routers with a VPN connection between them. I'm having
    | trouble understanding what the VPN specific connection buys me. Any
    | ideas, suggestions, wisdom, or direction appreciated.

    What you need to do load balance the two WAN links. The total bandwidth will be the sum of
    the two WAN download and two LAN upload speeds. The Edimax PermaLink PRI-682 is a device
    with 2 WAN ports and performs load balancing.
    http://www.edimax.com/html/english/products/PRI682.htm
     
    David H. Lipman, Sep 5, 2005
    #2
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  3. Except that I don't really want to load balance. It just happens to be
    the way the services work here, but the two connections offer
    distinctly different services (e.g. one has high outgoing bandwidth,
    but limited data transfer, the other has different newsgroup access,
    high incoming bandwidth, low outgoing, but unlimited data). I want to
    specifically take advantage of the services by contolling which
    computers access which connection.
     
    Sheldon Tanner, Sep 5, 2005
    #3
  4. Sheldon Tanner

    Norm Guest

    I think this is what you need to do. It sounds like you want your file
    server to use the DSL connection exclusively but you still want it to be
    reachable from your other network. What you need to do is get yourself a
    second NIC in your file server. Once you have that, plug one NIC into your
    network and the other into your DSL modem. Make sure your default gateway
    is set on your NIC going to the DSL modem. Then set a persistant static
    route for your home network. Just to make sure yhour file server isn't
    going out your cable connection, you can even block it's MAC address on your
    D-Link to rpevent any traffic from going out that way.

    Hope that helps.

    -Norm
     
    Norm, Sep 6, 2005
    #4
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