When devics on enterprise LANs need to connect to other devices, they need a standard method for identifying each other to ensure they are communicating with the device they want to, and that’s what 802.1x does. This article tells where it came from and how it works.
802.1x defined
IEEE 802.1X is a standard that defines how to provide authentication for devices that connect with other devices on local area networks (LANs).
