C:\>netsh /?

Usage: netsh [-a AliasFile] [-c Context] [-r RemoteMachine]
             [Command | -f ScriptFile]

The following commands are available:

Commands in this context:
?              - Displays a list of commands.
add            - Adds a configuration entry to a list of entries.
bridge         - Changes to the `netsh bridge' context.
delete         - Deletes a configuration entry from a list of entries.
diag           - Changes to the `netsh diag' context.
dump           - Displays a configuration script.
exec           - Runs a script file.
help           - Displays a list of commands.
interface      - Changes to the `netsh interface' context.
ras            - Changes to the `netsh ras' context.
routing        - Changes to the `netsh routing' context.
set            - Updates configuration settings.
show           - Displays information.

The following sub-contexts are available:
 bridge diag interface ras routing

To view help for a command, type the command, followed by a space, and then
 type ?.

This will save an IP configuration and then you can reload it (with
changes).

Mike