dhcp vs static woth port forwarding

Discussion in 'General Discussion' started by jbirdie, Feb 7, 2008.

  1. jbirdie

    jbirdie Guest

    i am really confused...for 3 years i used a router(d-link) with port forwarding and was always dhcp. now everything i read says that there is no way that you can be dhcp and use port forwarding on any router - mine is home use, wired. i wrote my isp and this is the reply i get: I am sorry; we at Road Runner services only provide Dynamic IP addresses. now who can tell me how to really forward ports using dhcp...the secret is out, so fess up... tkz for some good help!!!
  2. mstombs

    mstombs Network Guru Member

    There's no problem with port-forwarding with dynamic IP address on the WAN (ISP side).

    It's on the LAN side you need to specify which machine you want port-forwards to, you must therefore use fixed local IP addresses on your local machines. This can still use static-dhcp (dhcp reservation, lan client) in any decent router firmware. This function is a glaring omission in a lot of stock Linksys firmware, but is one of the first things to be added in any 3rd party firmware.
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