The Default Port Forwarding Guide for the 3com 3CRWDR100A-72

To setup port forwarding on this router your computer needs to have a static ip address.
Try our free PF Setup Static IP Address Program which will setup a static ip address for you.

Or you can take alook at our Static IP Address guide to setup a static ip address. When you are finished setting up a static ip address, please come back to this page and enter the ip address you setup in the Static IP Address box below.

Do not skip this step!

Open a web browser like Internet Explorer or Firefox. Enter the internal IP address of your router in the address bar of your browser. If you do not know your routers internal IP address please read our How To Find Your Routers IP Address guide.

In the picture above the address bar has http://www.google.com in it. Just replace all of that with the internal IP address of your router. By default the IP address should be set to 192.168.1.1.

You should see a box prompting you for your password. Enter your password now. By default your password is admin. Click the Log in button to log in to your router.

Please visit our Default Router Passwords page if the username and password shown above do not work for you.

Click the Firewall link.

Select Disable from the Firewall Enable/Disable drop down box.

Click the Apply button.

Click the Virtual Servers link.

Click the Add button.

Enter the ip address to forward these ports to into the LAN IP Address box. If you are forwarding ports so you can run a program on your computer, you should enter your computer's ip address into that box.

Select the protocol type using the Protocol Type radio button. If you need both TCP and UDP, create a duplicate configuration. The first configuration should have TCP selected, while the second one should have UDP selected.

Enter the port to forward into the LAN Port and the Public Port boxes.

Put a checkmark in the Enabled checkbox.

When you are finished, click the Apply button at the bottom of your screen.

And that is it! You are done!

To test if your port has been properly forwarded, you can use our Port Checker tool.