Please state your question in the body of the message, so people won't think you have had technical problems and might not have been able to give all the information they would need to provide an answer.
Hard to answer without some specifics.
What port(s) do you need to forward and/or for what application ?
Setup Destination PC with a Static TCP/IP Address
Logon to Actiontec
Select Advanced (Top)
If pre-defined make sure it meets your needs, if not pre-defined then create new
Select Firewall Settings (Top)
Select Port Forwaqrding (Left)
Set up Forwarding Rule
Here is a good site for port forwarding information and instructions: