Point-to-Point Protocol over Ethernet (PPPoE)
This is a specification for connecting users on an Ethernet network to the Internet via a gateway, such as cable or DSL modems and wireless devices.PPPoE users share a common connectionthey're supported by Ethernet in a LAN (multiuser) combined with PPP (serial connections).PPPoE can be enabled in Network preferences.Resources for PPPoE are found in /System/Library.