NAT

Why Does My Home Network Only Work with One Computer at a Time?

If there is a conflict with your IP address, it could result in only one of the machines on your network connecting at a time.

What’s the Difference Between a Hub, a Switch, and a Router?

Hubs, switches, and routers are all computer networking devices with varying capabilities. Unfortunately, the terms are often misused.

a computer and router on a desk with a symbolic connection from the computer to the router, and from the router to the cloud representing the internet

Why Doesn’t My Machine’s IP Address Match What I’m Told on the Internet?

Ever wonder why your computer shows one IP address, but websites see something totally different? They’re both right. I’ll describe how your router juggles two addresses behind the scenes and how that protects you every time you go online.