ZyXEL P 320W Router Port Forwarding Instructions

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Port Forward Staff
May 18, 2017 (Last Updated: ) | Reading Time: 5 minutes

The ZyXEL P 320W router has a firewall that protects your home network from unwanted Internet access. The firewall works by blocking all incoming and outgoing connections unless told otherwise. Some online games or programs run much smoother with additional connections opened. To open them you need to create a port forward.

In this guide we will walk you through each and every step in the port forwarding process for the ZyXEL P 320W router. These steps include:

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Step 1

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.

This step is important because you want a permanent IP address in your device. If you do not set up a permanent IP address in your device, then when you device reboots it may get a new IP address.

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Have you considered using a VPN instead of forwarding a port? For most users, a VPN is a much simpler and more secure choice than forwarding a port.

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TIP: It is a good idea to write this static IP address down. You need it later in step 4.

Step 2

Now it is time to login to the ZyXEL P 320W router. To do this you need to use a web browser because most routers including this one use a web interface to make setting changes to the router.

Go ahead and open up a favorite web browser. Some common options are Chrome, Internet Explorer, Edge, and Firefox.

Once you have opened up the web browser find the address bar. This is typically at the top of the page like this:

Image of a browser address bar
Browser address bar

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 P 320W IP Address is: After entering the IP address of your router you can simply press Enter. If all goes well you will see the following screen:

ZyXEL P-320W
Screenshot of ZyXEL P-320W.

If you don't see a screen like the one shown above or one very similar, you need to find out what the IP address was changed to. This can be done by following the directions on this How To Find Your Router's IP Address page.

You should see a box prompting you for a password.

Enter your username and password, and then click the Login button to log in to your ZyXEL P 320W router.

ZyXEL Usernames and Passwords

This is a common place to get stuck. Here are a few things you can try:

  • First, we recommend trying other ZyXEL usernames and/or passwords. If you have a slightly different firmware version you may also have a different username or password. Here is our list of different Default ZyXEL Router Passwords.
  • If the above did not work, it is because the username and/or password were changed. Try guessing a few times, or use our Password Cracker. It automates the process of guessing for you.
  • Finally, if both of the above did not work, it might be time to consider a factory reset. This will erase the username and revert it back to factory settings but it also erases all other settings as well. I do not recommend a factory reset unless you have exhausted all other troubleshooting methods. Here is a page on the basics of How to Reset a Router.

Step 3

In this step, we will show you how to find the port forwarding section of the ZyXEL P 320W router. To do that we begin on the Home page of the device interface:

ZyXEL P-320W
Screenshot of ZyXEL P-320W.

Begin by clicking the Go to Advanced Mode link in the center section of the page.

ZyXEL P-320W
Screenshot of ZyXEL P-320W.

Now, click Network in the left sidebar.

At this point, a new menu should appear. Click the new option of NAT.

ZyXEL P-320W
Screenshot of ZyXEL P-320W.

On this new page, you should see three tabs near the top of the page. Click the one labeled Port Forwarding

ZyXEL P-320W
Screenshot of ZyXEL P-320W.

Now, on the right side of the page, find and click the button labeled Modify.

ZyXEL P-320W port forward
Screenshot of ZyXEL P-320W port forward.

You are now on the proper page to make a port forward.

Step 4

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:

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Enable the Active checkbox by putting a check in it.

You need to name this entry in the Service Name box. The name does not make any difference in the forward; it's just there so that you can remember later why you setup this forward.

If you are only forwarding a single port number then enter that number into both the Start Port and the End Port boxes. If you are forwarding a range of ports separated by a hyphen then enter the lowest number of that range into the Start Port box and the highest number of that range into the End Port box.

Enter the IP address that you want to forward these ports to in the Server IP Address box. You can enter either the IP address of your computer or the IP address of another computer or device on your network.

When you are done click the Apply button.

Don't forget to click the Apply button after you are finished with each entry.

Test Your Ports

Now that you have finished port forwarding the ZyXEL P 320W router, you need to test the port forward. To do that we recommend using our Network Utilities. Our network utilities tool includes an Open Port Checker. Our Port Checker uses a local application to check and see if the ports are open, guaranteeing an accurate result.

More Information


If you are still struggling with the port forwarding process for the ZyXEL P 320W router, use our Port Forward Software. Our software makes owning a router easier than ever. It troubleshoots, diagnoses, and fixes all your port forwarding problems.

At portforward.com we have more than just port forwarding guides. Check them out here.

If you are more interested in setting up a strong wireless network, check out our other site, setuprouter.com.

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