How to add extra Ethernet ports if your router doesn't have enough

Ethernet ports are often in short supply. If you run low, a cheap device lets you add more to your existing router without fuss.

Ethernet ports are often in short supply. If you run low, a cheap device lets you add more to your existing router without fuss.<p><img src="https://www.engadget.com/img/gallery/how-to-add-extra-ethernet-ports-if-your-router-doesnt-have-enough/intro-1789763943.jpg" /></p>