SMC SMCD3GN2-RES 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 SMC SMCD3GN2-RES router.
- Navigate to the port forwarding section.
- Click the NAT link.
- Click on Port Forwarding.
- Click the Customer Defined Service Add button.
- Create a port forward entry.
While these steps might seem difficult at first, we will walk you through each step for your SMC SMCD3GN2-RES 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.
When you use Network Utilities you get your port forwarded right now!
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 Static IP Setter will set up a static IP address for you.
- Another way to get a permanent IP address is to set up a DHCP reservation.
- Or, manually create a static ip address with our Static IP Guides.
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.
Use a VPN Instead
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.
We use and recommend NordVPN because not only is it the fastest VPN, it includes a new feature called Meshnet that makes forwarding a port no longer necessary for most applications. With NordVPN Meshnet, you can connect to your devices from anywhere in the world, completely secure, over a highly encrypted VPN tunnel.
Every time you click on one of our affiliate links, such as NordVPN, we get a little kickback for introducing you to the service. Think of us as your VPN wingman.
Step 2
Now we are going to login to your SMC SMCD3GN2-RES 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 SMC SMCD3GN2-RES IP Address is: 192.168.0.1
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 SMC SMCD3GN2-RES Router Username is: cusadmin
- The Default SMC SMCD3GN2-RES Router Password is: password
Enter your username and password, and then click the Login button to log in to your SMC SMCD3GN2-RES router.
SMC Usernames and Passwords
If your username and password do not work then please visit our Default SMC Router Passwords page.
If you still can't login to your router because you forgot your SMC SMCD3GN2-RES router username and password, use our How to Reset a Router Password guide to set your SMC SMCD3GN2-RES 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:
Click the NAT link near the left of the page.
You should now see a new menu. In this new menu, click Port Forwarding.
Click the Customer Defined Service Add button near the bottom of the page.
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:
- Browsing our List of Games
- Check out our our List of Games by Genre
- See our List of all Applications
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You might notice that most of our site doesn't have ads on it. This is because we use partnerships with companies like NordVPN to keep the site running. Thank you for supporting us by using our referral links.
Put a name for this forward in the 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.
Use the Type dropdown box to select the protocol type of the ports you are forwarding.
You need to enter the IP address that you are forwarding ports to in the LAN Server IP box. It's possible for this to be either the IP address of your computer or any other IP address on your network that you want ports forwarded to.
In the Remote IPs dropdown box select Any.
Use the Public IP Ports dropdown box to select Single Port or Port Range.
If you are just forwarding a single port number then you can simply enter that same number into both the Private Ports,Start Public Port and the End Public Port boxes. If you are forwarding a range of ports, usually separated by a hyphen, then you need to enter the lowest number of that range into the Private Ports,Start Public Port box and then enter highest number into the End Public Port box.
When you are finished, click the Apply button.
Your ports should now be open. It is time to test them.
Test if Your Ports are Open
Now that you have forwarded ports on the SMC SMCD3GN2-RES 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.
