Opening Ports in a ZyXEL NBG-418N v2 Router

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Port Forward Staff
August 19, 2019 (Last Updated: ) | Reading Time: 5 minutes

A ZyXEL NBG-418N v2 router protects your home network by blocking unwanted incoming internet connections and acting as a basic firewall. Sometimes you need to open a port in your router in order to get a good connection for a game or to use a specific device on your network. The NBG-418N v2 lets you choose the applications that are allowed to connect through an open port. By opening a port in your router you allow a specific application or game to send data from the internet to your home network.

To open ports in your ZyXEL NBG-418N v2 router, follow the steps below:

  1. Go ahead and set up a static IP address on the computer or device that you are forwarding these ports to.
  2. Log in to your ZyXEL NBG-418N v2 router.
  3. In your ZyXEL NBG-418N v2 router, navigate to the Application section.
    • Find the Network link located near the left of the screen and click on it.
    • Click the link called NAT.
    • Click the Application tab, which is at the top of the screen.
  4. Create a Application entry.

Opening ports in a router can be a difficult process the first few times. Don't get discouraged! We will walk you through all the steps to open a port in the ZyXEL NBG-418N v2 router.

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Setup A Static IP Address

If you want to ensure that your ports remain open even after your device reboots, set up a static IP address in the device that you are opening a port for.

After setting up a static ip address on your devices you need to login to your router.

Login To Your ZyXEL Router

The ZyXEL NBG-418N v2 router uses a web interface to display router settings. In order to login to the ZyXEL NBG-418N v2 router you need to use a web browser.

Open your favorite web browser. If you don't have a favorite or are not sure what this means, open up Chrome, Firefox, or Edge. If you are already in a browser window, go ahead and open up a new tab.

We have simplified this step for you with this link: Login to your NBG-418N v2 Router

Find the address bar in your browser window. This is usually found at the top of the page, like in the image below.

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 web browser and type in your router's IP address.

The ZyXEL NBG-418N v2 router's default IP address is:

After typing your router's IP address into the address bar, make sure to click the enter button on your keyboard. You should see a box similar to the one shown below.

router login screen
This is the login page from your ZyXEL router.

Enter the username and password for your ZyXEL NBG-418N v2 router. Note: If you have changed these numbers in the past, you will need to enter in the those values.

Once you have entered your username and password, remember to click the Login button to login to your ZyXEL NBG-418N v2 router.

ZyXEL Usernames and Passwords

If the username or password did not work check out our Default ZyXEL Router Passwords page.

If you are unable to log in even after trying the above list of passwords you may need to consider a reset for your router. Our guide How to Reset a Router can help you with that. After resetting the ZyXEL NBG-418N v2 router your username and password will be reverted back to factory defaults.

Find the Port Forwarding Section

You should be on the home page of your ZyXEL NBG-418N v2 router once you have successfully logged in. Find the Application section of your router.

This is the home page from your ZyXEL router.

You should now be on a page that says Application.

port forwarding
This is the port forwarding page from your ZyXEL router.

Create A Port Forward

Forwarding ports in your router creates a path that allows data to get through your network firewall, and this could lead to malicious traffic on your network. So make sure that you must forward a port before actually doing so. However, the risk is very low, so do not let this warning stop you from making this change if you need to.

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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  1. Click the radio button that says User-Defined Application Name.

  2. Put a name for this forward in the User-Defined Application Name box so that you can remember why you set this forward up. The name does not matter, so pick something that has meaning to you.

  3. Use the Protocol dropdown box to select the protocol type of the ports you are forwarding. If your router has the option of Both, then choose that. Otherwise, choose either TCP or UDP as needed. If you need to forward a port for both TCP and UDP and your router does not have Both, then you have to create two entries.

  4. You can enter either a single number or a range of numbers in the Public Port Range box. If you are forwarding a single port number you can enter it into the Public Port Range box. To forward a range of ports you can enter the lowest number of that range into the Public Port Range box, followed by a colon, followed by the largest number. An example would look like this: 1000:2000.

  5. Take the values that you entered in the Public Port Range box and put the exact same numbers in the Local Port Range box.

  6. Go ahead and enter the IP address that you are forwarding ports to into the Server IP Address box. It is possible for this to be either the IP address of your computer or of any other device on your network that you want ports forwarded to.

  7. Click the Apply button at the bottom of the page when you are completely finished to apply these changes.

Test If Your Ports Are Open

Finally, I strongly recommend testing to see if you forwarded the ZyXEL NBG-418N v2 ports correctly. To do this you can use our Network Utilities tool, which includes a free Open Port Checker. Open Port Checker is the only online port checking tool that has Guaranteed Results.

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