ZyXEL Prestige660RU-T3 routers include a very basic firewall that helps protect your home network form unwanted access from the internet. Since this firewall blocks incoming connections you may need open a port through it for certain games and applications. This process of opening a port is frequently called a port forward, since you are forwarding a port from the internet to your home network.
The basic process to open a port is:
- Setup a static IP address on either your computer or device that you want to forward a port to.
- Login to your ZyXEL Prestige 660RU T3 router.
- Navigate to the port forwarding section.
- Click the NAT link.
- Click Edit Details.
- Create a port forward entry.
While these steps might seem difficult at first, we will walk you through each step for your ZyXEL Prestige660RU-T3 router.
It is important to setup a static ip address in the device that you are forwarding a port to. This ensures that your ports will remain open even after your device reboots.
- Recommended - Our free program will setup a static IP address for you. Download Network Utilities today!
- Another highly recommended way of getting a permanent IP address is to set up a DHCP Reservation.
- Or, follow our Static IP Address Setup guides.
With DHCP reservations you can manage your devices from your router. This centralizes the management of your network and helps prevent IP address conflicts. Using this method you do not have to log in to your devices separately.
Now we are going to login to your ZyXEL Prestige660RU-T3 router. Your router has a web interface, so you will login to it using your web browser. This can be either Chrome, Firefox, Internet Explorer, or Edge. It usually does not matter which browser you choose to use.
Open up your web browser and find the address bar. It should look something like this:
Above is an example of what a web browser address bar looks like. Find the address bar in your router and type in your router's IP address.
The default ZyXEL Prestige 660RU T3 IP Address is: 10.0.0.138
After entering the IP address of your router you can simply press enter. If all goes well you will see the following screen:
You should see a box prompting you for your username and password.
- The Default ZyXEL Prestige 660RU T3 Router Username is: admin
- The Default ZyXEL Prestige 660RU T3 Router Password is: admin
Enter your username and password, and then click the Login button to log in to your ZyXEL Prestige660RU-T3 router.
ZyXEL Usernames and Passwords
If your username and password do not work then please visit our Default ZyXEL Router Passwords page.
If you still can't login to your router because you forgot your ZyXEL Prestige660RU-T3 router username and password, use our How to Reset a Router Password guide to set your ZyXEL Prestige660RU-T3 router back to its factory settings.
Now we need to find the port forwarding section in your router. Here's how you do it. Starting from the first page in your router:
Click the NAT link near the center of the page.
There should be a dot in the SUA Only setting. If this isn't the case, you can not setup port forwarding without making a major change to your network. I wouldn't advise changing this unless you know what you are doing. Alright, if there is a dot in the SUA Only setting, go ahead and click Edit Details.
Here are the ports to forward for Xbox Live:
- TCP Ports: 3074
- UDP Ports: 3074
If you are looking for the ports for a different application you can find it by either:
If you are forwarding a single port, enter that port number into the Start Port No. and the End Port No. boxes. If you are forwarding a range of ports, enter the lowest number of that range into the Start Port No. box. Then enter the highest number of that range into the End Port No. box.
Enter the IP address of the device that you want to forward ports to into the IP Address box. This can be either the IP address of your computer or the IP address of another device on your network.
When you're finished, click Save near the bottom of the screen to save your changes.
Test if Your Ports are Open
Now that you have forwarded ports on the ZyXEL Prestige660RU-T3 you should test to see if your ports are forwarded correctly.
To test if your port has been properly forwarded, you can use our Network Utilities tool, which includes a free Open Port Checker. Our Open Port Check tool is the only online port checking tool with Guaranteed Results.
ZyXEL Prestige660RU-T3 Router Screenshots
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