Open the browser, enter the gateway address in the address bar of the browser, and then you can open the login interface for connecting the router. Enter the router login username and password and confirm login.
Find the virtual server under the forwarding rules on the left side of the router management interface, and relevant settings will appear on the right side.
In the virtual server, locate the add new entry and click.
Click the Virtual Server button to open the interface shown below. Fill in the port that your computer needs to map at the service port number shown below, and fill in the IP address of your computer. By default, all other options are selected and then saved.
TD-W8984 1N wireless router successfully added 80 ports and 3389 ports.