Ethernet ports are usually just relegated to connecting computers to routers to facilitate an internet connection, but they're capable of much more than that.

If the Windows Network Diagnostics report displays the message The connection between your access point, router, or cable modem and the Internet is broken after you run the Internet Connections ...

Connecting a computer running HyperTerminal emulator software to the console port of a router lets you access router information and modify settings without using the device's Web-based configuration ...

Windows comes pre-configured for Internet access via Ethernet. If your computer includes an Ethernet adapter as many do, connecting your computer to the Internet is as simple as connecting a cable.

Yes, you can buy your own cable modem, and you might want to, given the excellent throughput and dead-simple setup of the Netgear C3000 WiFi Cable Modem Router. Router only supports up to 300Mbps ...