IPSwitcher Basic

From Softmate Corporation:

Are you a mobile user? Do you need to use your computer in more than one network? Do you have multiple types of Internet connections? Try IPSwitcher Basic, you can change TCP/IP configuration without rebooting. Let's suppose that there are several types of network connections in your office (such as ADSL, leased line for your office applications, modem line for some slow connections) Depending on your current task, you should use one single connection at the single time. How can you do it? Try IPSwitcher Pro, you can access simultaneously all networks without changing TCP/IP configuration.