Setting up a secure wireless network with the 3Com 3CRWER100-75.

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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 Wireless Settings link near the left side of the page.

Click the Connection Control button near the top of the page.

Select Enabled from the Access Restriction drop down box.

Put a dot into the Permit PCs radio button.

Now you need to know the MAC address of every device that you want to Allow access to. You can find the MAC address of a computer by following our MAC Address instructions. After you have found the MAC address of the computer you want to Allow, type the MAC address into the MAC Address section of your router.

When you are finished, click the Save button.

When you're finished, click Apply/Restart near the left side of the screen to save your changes.

And that's it! You're done!

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