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How do I network across two routers??

Discussion in 'Networking' started by burchis, Sep 2, 2009.

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  1. burchis

    burchis Thread Starter

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    I have two routers in my house and wish to network computers connected to each router.

    I have no problem communicating between computers connected to the same router but not able to see/access the other computers that are connected to the 2nd router.

    My two routers are 2wire 2701HG-B (router/modem), and Netgear WGR614 which is plugged into the 2wire router/modem.

    Thanks for any help or maybe where to look information.
     
  2. JohnWill

    JohnWill Retired Moderator

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    Connecting two (or more) SOHO broadband routers together.

    Note: The "primary" router can be an actual router, a software gateway like Microsoft Internet Connection Sharing, or a server connection that has the capability to supply more than one IP address using DHCP server capability. No changes are made to the primary "router" configuration.

    Configure the IP address of the secondary router(s) to be in the same subnet as the primary router, but out of the range of the DHCP server in the primary router. For instance DHCP server addresses 192.168.0.2 through 192.168.0.100, I'd assign the secondary router 192.168.0.254 as it's IP address, 192.168.0.253 for another router, etc.

    Note: Do this first, as you will have to reboot the computer to connect to the router again for the remaining changes.

    Disable the DHCP server in the secondary router.

    Setup the wireless section just the way you would if it was the primary router, channels, encryption, etc.

    Connect from the primary router's LAN port to one of the LAN ports on the secondary router. If there is no uplink port and neither of the routers have auto-sensing ports, use a cross-over cable. Leave the WAN port unconnected!

    This procedure bypasses the routing function (NAT layer) and configures the router as a switch (or wireless access point for wireless routers).

    For reference, here's a link to a Typical example config using a Netgear router
     
  3. burchis

    burchis Thread Starter

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    Thank you for your easy to follow example. Before I attempt to reconfigure anything I want to verify these facts:

    1- I am only having trouble transferring files between my home computers that are hard wired to either router.

    2- Any computer, regardless of which router connected, can connect to the internet.


    Do I still need to follow your example?
     
  4. JohnWill

    JohnWill Retired Moderator

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    If you want all the computers that are connected to both routers to have file/print sharing, you'll have to eliminate the NAT layer of the secondary router. My configuration does that. This is the configuration I use for the three routers here, one primary, and two secondary.
     
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