When you use your computer on your home or office network, there's a lot happening in the background. Here's the difference between a switch and a router and how they work together.

Unlike a router which is capable of creating and routing between multiple networks, a switch is a device that’s designed only to facilitate communications for devices on the same network.

If you run out of Ethernet ports on your router, a switch can add more Ethernet ports to the network. You just plug your extra devices into the switch, then plug the switch into the router, and ...