The network shell (Netsh) command line utility allows local or remote configuration of network devices such as wireless interfaces. Using the Netsh wlan option you can create filters that block users from connecting to specific wireless networks which may pose a risk to the security of your environment. Users connecting to unsecure open wireless networks increase the risks of their computers being compromised.
The default IP address of Windows 7 (and Windows Server 2008 R2) virtual Wi-Fi Access Point (AP) feature called Wireless Hosted Network is 192.168.137.1. Although, this address is highly unlikely to conflict with other addresses that you may have configured on your network still, you may wish to change it to another value. In order to be able to change this default IP address you need to modify a Registry setting as follows:
Imagine you need to share some files with a friend or with a colleague while in a meeting and do not have any network means to connect to! You can set up a temporary wireless network between two or more computers running Windows 7 or Vista assuming that both computers are equipped with a wireless interface and are within 9 meters of each other. An ad hoc wireless network is quickly set up as you can see from the following steps:
Connecting a wireless-enabled computer running Windows 7 to a wireless network is pretty straight forward however; if that doesn’t work you can try the netsh command line tool. Below, you will find the steps required to connect your computer to a wireless network using the netsh wlan command. Alternatively to netsh, you can either open Network and Sharing Center and click Connect to a network or click the network icon on your taskbar at the bottom right section of your screen.