Log in to the Router, click the Advanced Tab, and see if the port is on the list. If it is, just ENABLE the one that you want. If not, you can add your own info. Use the IP of your computer to forward the port data to.
Check out the D-Link site for more information.
-David
2006 & 2007 Microsoft Most Valuable Professional (MVP)
2006 Dell Certified System Professional (CSP)