Routers and network switches aren't the same hardware—depending on your setup, you may need both.

Ever look at the back of your router and ask yourself “WHY!?!?” There are only four ethernet ports there. Four. How can anyone live and thrive with such a measly amount of wired network connections?

The indicator lights for active Ethernet connections might help you troubleshoot problems with a Wi-Fi router. While Wi-Fi and Ethernet may seem like two utterly different pieces of technology, they ...