Hello. Most all of the forums I've seen over anything relating to port forwarding has been for a static IP. I've tried the command in mine with a dynamic IP, but changed the 2nd half of the command from what source static IP address and port, to "int Dialer 1" and then the port. This still did not work for me. Anyone know how to properly open up a port to a private IP computer behind Dynamic IP DSL ?
ip nat inside source static tcp 192.168.200.15 3389 interface dialer0 3389
ip nat inside source static tcp 10.0.97.2 80 interface FastEthernet4 800
Hope this helps, please rate post if it does!