Do you actually understand what is port forwarding? Like every other router, Asus RT-AC88U routers also feature a basic firewall setting which protects your home network from unwanted or unauthorized access through the Internet. Firewall is an application that restricts every incoming connection from the web door.
Since the firewall blocks every incoming connection, there is a need to open a port for allowing games and other application connections. This process of opening a port for giving access to such useful applications is referred to as port forwarding. This process is frequently so called as a port forward since you are forwarding a port from the internet to your home network.
Step 1 : Set a static IP address on your computer system or device that you want to forward a port to.
Step 2 : Log into the admin interface of Asus RT-AC88U router.
Step 3 : Go to the port forwarding section of the interface.
Step 4 : Click the WAN option
Step 5 : Select the Virtual Server/Port Forwarding option.
Step 6 : Add a new port forward entry.
Step 1 : Setting up a static IP address in the device that you are forwarding a port to is the first important thing. This step ensures that the device ports will remain open even after the rebooting process.
Note: You can also download a free program called Network Utilities, that will help you to set up a static IP address on your device. For more, you can follow a guide to set up a static IP address.
Step 2 : After setting up the port on the device or system, the next step involves logging into the web interface of your Asus RT-AC88U router. Your router has an admin web interface which is accessible using an installed browser.
You can use any installed browsers to access the admin interface of the router like Chrome, Firefox, Internet Explorer, or Edge. It never matters which browser you actually use.
Note: If this username and password are showing incorrect or invalid, visit the Default Asus Router Passwords page.
In case you have forgotten the login credentials and you are unable to login into your Asus RT-AC88U, follow the reset router password guide to set your Asus RT-AC88U router back to its factory(original) settings.
Step 3 : Now as you have entered the admin of your router, locate the port forwarding section on the screen.
Step 4 : First, enable the Port Forwarding option.
Enter the Service Name. This name has no effect on the functionality of the port forward, it simply defines the service for which it was created.
Enter the port range you want to forward to.
For example, the ports to forward for Xbox Live are:
Note: You can also find the ports for different games or applications depending upon your requirements.
Step 5 : Press the "Logout" button to sign out from the admin screen of the router.