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Fixed network IP addresses

Discussion in 'Networking Issues' started by jongi, May 12, 2006.

  1. jongi

    jongi Network Guru Member

    I have three computers connecting to my router (WRT54Gv5). One desktop (connected directly to the router), 1 laptop (wireless) and another desktop (wireless). I want the two that connect wirelessly to the router to have the same (internal) IP address all the time.

    Is this done through the MAC Filter? If so, is the order of MACs in that list determine the IP address?
  2. kg4mrv

    kg4mrv Network Guru Member

    Its done at each computer, not the router.

    Some routers support "static DHCP", but this is the best way to do it.

    -Open "My network connections"
    -Right click on the LAN connection and select "Properties"
    -Select "TCP/IP" and click "Properties"
    -Set IP's within the same subnet, but outside the DHCP range
  3. YeOldeStonecat

    YeOldeStonecat Network Guru Member

    Some routers support what's called "Reservations"..in DHCP. That's where you plug in the MAC of the PC you wish to make static..and enter the IP you wish to give it. I don't believe stock Linksys firmware for the v5 offers that feature though.

    Here's a quick little guide..
  4. OldeBill

    OldeBill Network Guru Member

    Pardon me but, why? I'm having a hard time fathoming an ordinarily useful reason for having more than one host with the sam IP address.
  5. kg4mrv

    kg4mrv Network Guru Member

    Im pretty sure he doesn't want two comps to share a common IP, but rather have each one have a unique one that it recieves all the time.
  6. jongi

    jongi Network Guru Member

    exactly kg4mrv. Would I use the same DNS entries you have in that screenshot?

    if it's not done at the router level then I will find out from a fedora board how to do it.

  7. sufrano63

    sufrano63 Network Guru Member

    Try 3rd party firmware like dd-wrt. I'm using it right now on all 3 of my laptops. They have that feature you're looking for. BTW, it's called static DHCP
  8. jongi

    jongi Network Guru Member

    sufrano63 - unfortunately I have a WRT54Gv5 :(
  9. sufrano63

    sufrano63 Network Guru Member

  10. TazUk

    TazUk Network Guru Member

    On what grounds? that it doesn't support DHCP reservations :roll:
  11. kg4mrv

    kg4mrv Network Guru Member

    You might be able to use, but if that doesn't work look under the status tab on the admin page, and use these DNS servers.
  12. jongi

    jongi Network Guru Member

    So I have set:

    IP -
    Subnet -
    Gateway -
    DNS -

    However now I cannot access the router. When I try to access, the password dialog box appears. After that the screen goes blank.

    I am able to access the internet though
  13. jongi

    jongi Network Guru Member

    Oh. Just needed to reboot the router.
  14. jongi

    jongi Network Guru Member

    I've recently upgraded the firmware to DD-WRT v23 SP1 micro. To setup a MAC address to have a specific IP you go to Administration --> Services.

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