This is how to add/remove IP address, Default Gateway and DNS and WINS addresses to your NIC using a script.

you can use Netsh.exe -which is available on Windows 2000, Windows XP and Windows Server 2003.

This can be used when you two different places LAN Environment with static and DHCP

Adding ip addresses - Static LAN Environment

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netsh interface ip set address name="Local Area Connection" static
158.223.101.53 255.255.0.0 158.2232.89

netsh interface ip set dns "Local Area Connection" static 158.223.1.1
netsh interface ip set dns "Local Area Connection" static 158.223.1.3

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Removing ip addresses - DHCP Lan Environment

netsh interface ip set address "Local Area Connection" dhcp

netsh interface ip set dns "Local Area Connection" dhcp

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E.Ravi