IEEE/ISO/IEC 8802-1AE-2020ISO/IEC/IEEE - Telecommunications and exchange between information technology systems -- Requirements for local and metropolitan area networks--Part 1AE: Media access control (MAC) security - Tag control information figure

How all or part of a network can be secured transparently to peer protocol entities that use the MAC Service provided by IEEE 802 LANs to communicate is specified in this standard. MAC security (MACsec) provides connectionless user data confidentiality, frame data integrity, and data origin authenticity.