CE --customer edge. Edge equipment on the customer side of a user-network interface (UNI).
CE-VLAN ID --Identifier of a CE-VLAN.
E-LMI --Ethernet Local Management Interface. An Ethernet layer OAM protocol. It provides information that enables autoconfiguration of CE devices and provides the status of Ethernet virtual connections (EVCs) for large Ethernet MANs and WANs.
EVC --Ethernet virtual connection. An association of two or more user-network interfaces.
OAM --operations, administration, and maintenance. A term used by several standards bodies to describe protocols and procedures for operating, administrating, and maintaining networks. Examples are ATM OAM and IEEE Std. 802.3ah OAM.
PE --provider edge. Edge equipment on the service provider side of a user-network interface (UNI).
UNI --user-network interface. A common term for the connection point between an operator's bridge and customer equipment. A UNI often includes a C-VLAN-aware bridge component. The term UNI is used broadly in the IEEE P802.1ag/D5.2 standard when the purpose for various features of LMI are explained.