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How to open a port on the Cisco Linksys EA3500

Cisco Linksys-EA3500 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:

  1. Setup a static ip address on either your computer or device that you want to forward a port to.
  2. Login to your Cisco Linksys EA3500 router.
  3. Navigate to the port forwarding section.
    • Click the Applications & Gaming link.
    • Click the Port Range Forwarding or the Single Port Forwarding button to forward ports.
  4. Create a port forward entry.

While these steps might seem difficult at first, we will walk you through each step for your Cisco Linksys-EA3500 router.

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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.

  • Recommended - Our free program will setup a static IP address for you.
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  • Or follow our Static IP Address guide to setup a static IP address.

Step 2

Now we are going to login to your Cisco Linksys-EA3500 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:

In the picture above the address bar has in it. Just replace all of that with the IP address of your Cisco Linksys-EA3500 router. Your router's ip address can also be refered to as your computer's default gateway.

By default the IP address is set to:

After entering the IP address of your router you can simply press enter. If all goes well you will see the following screen:

Cisco Linksys-EA3500 Screenshot 1

You should see a box prompting you for your username and password.

  • The Default Cisco Linksys-EA3500 Router Username is: admin
  • The Default Cisco Linksys-EA3500 Router Password is: blank

Enter your username and password, and then click the Login button to log in to your Cisco Linksys-EA3500 router.

Cisco Usernames and Passwords

If your username and password do not work then please visit our Default Cisco Router Passwords page.

If you still can't login to your router because you forgot your Cisco Linksys-EA3500 router username and password, use our How to Reset a Router Password guide to set your Cisco Linksys-EA3500 router back to its factory settings.

Step 3

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:

Cisco Linksys-EA3500 Screenshot 2

Click the Applications & Gaming link near the top of the page.

This router has two different sections that allow you to forward ports. One section allows you to forward a range of ports, and the other allows you to forward a single port. To forward a range of ports, click Port Range Forwarding. To forward a single port, click Single Port Forwarding.

Cisco Linksys-EA3500 Screenshot 3
Step 4

Now we are ready to enter some data in your router. In order to show you exactly how to configure your router we need you to answer 2 questions:

Application :
IP Address :

(The IP Address to forward to should be the same "static ip address" that you setup above)

Our router simulator shows you exactly what data to enter in your router based on your choices above. We are currently showing the ports for XBox Live. You should fill out the boxes in the router as you see them here:

When you're finished, click Save Settings near the bottom of the screen to save your changes.

Test if Your Ports are Open

Now that you have forwarded ports on the Cisco Linksys-EA3500 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.

Cisco Linksys-EA3500 Router Screenshots.

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Port Range Forwarding    
Application Name Start ~ End Port Protocol To IPv4 Address Enabled
to 192.168.1.
Single Port Forwarding    
Application Name External Port Internal Port Protocol To IPv4 Address Enabled