Simple Instructions to Help Setup a Port Forward on the Arris DG3450A Router

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Port Forward Staff
December 20, 2019 (Last Updated: ) | Reading Time: 5 minutes

An important aspect of having a Arris router on your home network is internet security. In general, routers block incoming internet connections and protect your network by only allowing the connections that you specifically set up. Sometimes it is necessary to unblock certain connections in your router or open a port in order to play a game or use an application. To help you get a better connection for gaming or using an application, you can open a port in your DG3450A and allow a direct connection.

The following steps will show you how to open ports on the Arris DG3450A router:

  1. On the computer or device that you are forwarding ports to, you will need to set up a static IP address.
  2. Log in to your Arris DG3450A router.
  3. Navigate to the Port Forwarding section in your Arris DG3450A router.
    • Click the Advanced tab, which is at the left of the screen.
    • Click on the Port Forwarding link.
  4. Go ahead and create a Port Forwarding entry.

The process of opening ports in your router may seem like a difficult task. If so, you are not alone! We are here to help walk you through the steps to open a port in the Arris DG3450A router.

We think that forwarding a port should be easy. That's why we created Network Utilities. Our software does everything that you need to forward a port.

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When you use Network Utilities you get your port forwarded right now!

Step 1 - Setup A Static IP Address

In order to ensure that your ports remain open in your device even after it reboots, it is important to set up a static IP address in your device.

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

Step 2 - Login To Your Arris Router

The Arris DG3450A router uses a web interface to display router settings. In order to login to the Arris DG3450A 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 DG3450A 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 default IP address for the Arris DG3450A router is: 192.168.0.1

Once you have entered your router's IP address in the address bar go ahead and click the enter button on your keyboard. You should see a box like the one shown below.

login
This is the login page from your Arris router.

To login, enter the username and password for the Arris DG3450As. Important Note: If you have changed them in the past, you need to enter in those values.

Once you enter your username and password, click the Login button.

Arris Usernames and Passwords

If the username and password did not work, go to our Default Arris Router Passwords page for help.

If, after trying the above list of passwords you still can't log in you may need to consider a reset for your router. Learn how to do that by reading our How to Reset a Router guide. **Note:**After resetting the Arris DG3450A router your username and password revert back to factory defaults.

Step 3 - Find The Port Forwarding Section

You should be on your routers home page once you complete logging in. Find the Port Forwarding section on the home page of the Arris DG3450A router.

home
This is the home page from your Arris router.

You are now on the Port Forwarding page.

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

Step 4 - Create A Port Forward Entry

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:

To start adding an entry, click on the Add Service button.

port forwarding
This is the port forwarding page from your Arris router.
  1. Select Other from the Common Service drop-down box.

  2. Make up a name to put in the Service Name box. The name does not have any effect on the functionality of the forward; it's simply there so you can know why it was created.

  3. Select the protocol type of the ports that you are forwarding from the Service Type dropdown box. If your router has the option of Both, then go ahead and select that. Otherwise, select either TCP or UDP as needed. If you need to forward a port for both TCP and UDP, but your router does not have Both, then you will need to create two entries.

  4. Find the Server IPv4 Address box and enter the IP address that you want ports forwarded to. This can be either the IP address of your computer or any other IP address for devices on your network that you want to forward ports for.

  5. To forward a single port, enter the port number into the Internal Start Port and the Internal End Port boxes. To forward a range of ports, enter the lowest number in the range into the Internal Start Port box. Then enter the highest number in the range into the Internal End Port box.

  6. Enter the exact same values that you put in the Internal Port boxes, into the External Port boxes.

  7. To apply these changes, remember to click the Save button at the bottom of the page when you are completely finished.

Test Your Ports To See If They Are Open

Use our Network Utilities software, (which includes a free Open Port Checker tool) to test your network to see if you have forwarded ports in the Arris DG3450A router correctly. Open Port Checker is the only online port checking tool that has Guaranteed Results.

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