RFC 4793:The EAP Protected One-Time Password Proto...
RFC-Ref

IEEE 802.1X


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... EAP, such as PPP [10], IEEE 802.1X [11], and IKEv2 [12 ...


... octets, which would normally be the case). - For use with IEEE 802.1X, "auth_id" SHALL be either the empty string or the MAC address of the authenticator ...


... metropolitan area networks -- Port-Based Network Access Control", IEEE 802.1X-2001, July 2001. ...



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