Tag Archives: 802.1x

802.1X Authentication Using EAP

Extensible Authentication Protocol

one-time passwords (OTP) per RFC 2289

  • Supplicant: The 802.1X driver that supplies a username/password prompt to the user and
    sends/receives the EAPoL messages
  • Authenticator: Translates between EAPoL and RADIUS messages in both directions, and
    enables/disables ports based on the success/failure of authentication
  • Authentication server: Stores usernames/passwords and verifies that the correct values were submitted before authenticating the user
Protocol over LAN (EAPOL), CDP and STP allowed before authenticated.