Netsh, switch ip

Use the netsh command to save the current network settings to a text file to restore the settings in the future.
[Netsh-c interface dump> c: \ old.txt]
Run the [netsh-f c: \ old.txt] command to restore the network from a text file.

As a matter of fact, we have always known things. Today we are here to forget them.
Taking the computer to the customer's organization is a work that many implementers often do (in fact, I am a developer and have a hard time). I often switch ip addresses, so I made several backup files, the corresponding bat file is created, so that you only need to go to the specific work environment and execute a bat file.
I needed four IP addresses to switch back and forth, so I made four
One at home, one company, one customer, and one automatically obtained

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If you think this interface is not beautiful enough, you may like the implementation of a desktop program.