How to Remove or Add a Network Connection to a Network Bridge
If you have two or more networks connected by a network bridge, then this will show you how to remove or add a network connection to the bridge in Windows 7 and Windows 8.
You should not add a public Internet connection to a network bridge because it creates an unprotected link between your network and the Internet, which makes your network accessible to anyone on the Internet.
1. Do step 2 or 3 below for how you would like to open the Network and Sharing Center.
2. Click or right click on the Network icon in the notification area, click on Open Network and Sharing Center, and go to step 4 below. (see screenshot below)