Linux® Routing

Network Address Translation (NAT)

We’ve already looked at one form of NAT, IP Masquerading. That’s the simplest form of NAT and will take care of a lot of situations where you’re just trying to use one connection for a number of computers.

Now we’ll take a quick look at doing full-blown NAT, in case you’ve got a more complicated setup that calls for it.

What’s the Difference Between NAT and IP Masquerading?

To the casual observer, there might be some confusion between NAT and IP Masquerading. However, there are some distinctive differences that will help you to know which one you’ll want to use.

Actually, IP Masquerading is a form of NAT. In some instances you have a group of computers that you want to share one public IP address. In this ...