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two routers wired together, i only want one to assign DHCP

Discussion in 'Networking' started by Sphinx, Mar 25, 2008.

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  1. Sphinx

    Sphinx Thread Starter

    Aug 5, 2003
    Ok I have a THOMPSON cable modem/wireless router. It gets the cable internet, and sends it wirelessly. It assigns DHCP.

    I have this linksys wrt54g sitting around. It has DD-WRT firmware on it. I would like to use its capabilities because it has QoS that is highly configurable. Does anyone have experience configuring QoS with DDWRT?

    How do I set up the configuration so the main router is connected to the linksys with dd wrt, and the LINKSYS is the one that sends out the wireless signal, and controls QoS.

    I don't want to run into issues with conflicting IPs, so how can I make just one of them assign DHCP? - can the main router still do this while the linksys just does QoS?(this way spread the work load).

    I appreciate any help, especially tips on configuring QoS in DD WRT.

  2. TerryNet

    TerryNet Moderator

    Mar 23, 2005
    First Name:

    1. Disable the THOMPSON's wireless.

    2. Put the THOMPSON in bridged mode (use as modem only)

    If, however (don't do #2), you connect nothing but the 2nd router to the THOMPSON there is seldom a problem of the 1st router's Dhcp server responding to requests on the 2nd router's LAN.

    If you have port forwarding issues, and don't do #2 above, try putting the 2nd router in the THOMPSON DMZ.
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