5 Ways To Use Your PC's Ethernet Port (Besides Plugging In Your Router)

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.

3 reasons I unplugged my Ethernet cables for good

Ethernet is practically useless in my house.
Ars Technica

Ethernet over HDMI - did any computers use it for network connection?

Some (many?) HDMI cables can also carry Ethernet over HDMI. The main use seems to be to provide internet connection to a smart TV from a cable modem box. Currently I have an ethernet-USB adaptor ...
How-To Geek on MSN

Wi-Fi bridging and headless server config: 6 advanced uses for your PC's empty Ethernet port

The sysadmin's guide to repurposing an RJ45 port ...
Ars Technica

Ugh. Multiple ethernet connections on a single computer, to swap between domain & ..

So, we have some testing labs and some equipment in those labs that can connect to a PC with a direct network connection - no router or switch, just a loopback cable to the device. Device is ...