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Reserving client IPs on WRT54G

Discussion in 'Cisco/Linksys Wireless Routers' started by desertjedi, Nov 9, 2005.

  1. desertjedi

    desertjedi Network Guru Member

    After doing searches here, it seems that there are two ways to "reserve" an internal IP (192....) for a client PC:

    - load up a 3rd party firmware

    - go into Windows and "reserve" IPs for all clients on your network.

    I want to reserve an IP for my gaming rig so I don't have to keep changing the port-forwarding. My friend, who's a sysadmin and has alot of "MCS" letters after his name, recommended a 3rd way. He said to assign an IP range for DHCP and for the PC that needs a "static" IP, manually assign an IP (in Windows) that is outside that range.

    To those familiar with Linksys, does that sound like it would work?
    I just got my 54G about a month ago.
     
  2. chris-at

    chris-at Network Guru Member

    If you don't want to load 3rd-party firmware and only have one device which needs to get a DHCP-IP, then do it like your friend suggested.
    Set the DHCP-server start-IP to the adress you would like your gaming rig to be reachable and set the maximum number of dhcp-users to 1. Now your gaming rig would get the same IP every time.
    All other devices in your LAN have to be configured manually.

    chris
     
  3. howardp6

    howardp6 Network Guru Member

    Chris' set up does not allow the other devices use of the DHCP server.

    I would set the DHCP server to issue address in the range beginning with 192.168.1.50 with ten users and set your gamimg rig to 192.168.1.49. That way any any other device can be a DHCP client. If you set any static addresses manually and want to access the Internet , you must fill in the DNS server IP addresses of your ISP and the gateway address should be the local address of your router. Use a subnet mask of 255.255.255.0.
     
  4. chris-at

    chris-at Network Guru Member

    It was not my idea to do it that way. It originally came from his friend ;)
    I thought that his gaming rig is only able to get an IP via DHCP - no manual configuration.
    Of course if you can set one manually, than this solution is nosense and he should do it as you described.

    chris
     
  5. Chuck_IV

    Chuck_IV Network Guru Member

    Unfortunately Linksys doesn't have address reservation in their stock firmware. This is one of the things I did like about my previous Negear router. They had it built in.

    This was one of the main reasons I loaded HyperWRT. I want to open some ports but only for one PC. Having the ip change cause of a reboot or whatever, made this difficult. So, rather than having to go thru the hassle of setting up each machine with it's own ip, using address reservation made it so much easier.
     
  6. desertjedi

    desertjedi Network Guru Member

    I think what Howard is saying makes sense to me (I'm a programmer, my friend is the network guy). I only want my gaming rig to have the "fixed" IP. My business rig, my laptop and my two kids' rigs should have DHCP.

    I will give this a go this weekend. Thanks to all.
     

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