EasySwitchIt v1.5.0.21

If you are a notebook owner and often move from one office to another, with EasySwitchIt you can easily manage and switch network and other computer settings when working in different locations. EasySwitchIt manages network settings (IP address, subnet mask, gateway, DNS, WINS), Windows proxy settings, hosts file, any file on the local or remote drive.

Link: EasySwitch