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DHCP & port forwarding

  • 08-01-2006 11:35pm
    #1
    Balfa
    Registered Users, Registered Users 2 Posts: 1,709 ✭✭✭


    I'm wanting to leave my home network DHCPed by my router, because it's The Right Thing To Do, and because it leaves my laptop compatible with other networks wherever I may roam.

    However, if my router mixes up the IPs of my machines after they're all switched on, then my port forwarding settings will be useless.

    I've tried increasing the DHCP lease length (to 10000 minutes, ~one week) but this doesn't seem 100% effective, because I booted my machine today and it had a different IP to yesterday :/ Anyone know what I can do?

    I'm using a Linksys BEFW11S4, Firmware 1.50.14 btw.


Comments

  • #2
    Snowbat
    Registered Users, Registered Users 2 Posts: 1,065 ✭✭✭Snowbat


    Is there an option in your router setup to allocate specific IP addresses to specific MAC addresses?

    If not, and your DHCP pool starts at 192.168.1.100 (typical for Linksys routers), you are free to use 192.168.1.2 through 192.168.1.99 for fixed IP addresses. Put each machine you're port-forwarding to on it's own unique fixed IP address. Point the machines at 192.168.1.1 for DNS. Then update your port forwarding.


  • #3
    Balfa
    Registered Users, Registered Users 2 Posts: 1,709 ✭✭✭Balfa


    I couldn't find any such setting to allocate IP based on MAC :/

    And I was hoping to avoid the other option of setting up static IPs, because I want port forwarding for my laptop, but I'd have to keep changing its network setup to use static IP at home and DHCP at other locations.

    Is that the only option there is?


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