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Definition: PPPoE

(Point-to-Point Protocol Over Ethernet) Using the PPP dial-up protocol with Ethernet as the transport. Used by many DSL providers, PPPoE supports the protocol layers and authentication widely used in PPP and enables a point-to-point connection to be established in the normally multipoint architecture of Ethernet. A discovery process in PPPoE determines the Ethernet MAC address of the remote device in order to establish a session. See PPP, Ethernet and PPPoA.