每當移動用戶移動到不同的網絡，改變特定的IP地址，網關地址，子網掩碼，代理服務器和默認打印機，等等，特別是網絡環境。為了做到這一點，他記得TCP / IP設置每一個網絡信息。此外，他還具有重新啟動計算機，將它應用到系統和訪問互聯網。

Whenever mobile user moves to different network, has to change particular IP address, gateway address, subnet mask, proxy server and default printer, etc., to particular network environment. In order to do it, he has to remember TCP/IP settings information of every network. Also, he has to reboot the computer to apply it to the system and to access the Internet.

官方網站：http://www.eusing.com/ipswitch/free_ip_switcher.htm

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