From the course: CompTIA A+ Core 2 (220-1102) Cert Prep: 6 Networking

Unlock this course with a free trial

Join today to access over 23,200 courses taught by industry experts.

Network address translation (NAT)

Network address translation (NAT)

- IPv4 addresses ran out probably in the late 1990s. Really. It took a very special technology called network address translation that saved us to the point where now with IPv6 finally coming in maturity, we could do it the right way. But the important thing that I want to show you right now is that we have a way of setting things up so that every computer on the internet does not have to have its own unique IP address. We can actually hide them using something called NAT. Now, here's how NAT works. What I've got here in front of me is a pretty typical, small office/home office SOHO router. And this one is for Comcast or Xfinity. Now, there's a bunch of stuff for old school TVs. I don't care about that. And here's an out so I can screw it into my big high definition, but there's really only two connections on here. There's one that, this is an F type that goes up to my internet service provider, and then there's a RJ45…

Contents