ZyXEL Communications ZyWall 10 Reference Manual page 40

ZyWALL 10~100 Series Internet Security Gateway
•
Support for RADIUS (Remote Authentication Dial In User Service, RFC 2138, 2139) for
centralized user profile and accounting management on a network RADIUS server.
•
Support for EAP (Extensible Authentication Protocol, RFC 2486) that allows additional
authentication methods to be deployed with no changes to the access point or the wireless clients.
The following figure depicts a typical wireless network with a remote RADIUS server for user authentication
using EAPOL (EAP Over LAN).
Diagram 5-1 Sequences for EAP MD5–Challenge Authentication
5-2
RADIUS Server Authentication Sequence
Client computer
access authorized.
Client computer
access not
authorized.
Wireless LAN with IEEE 802.1x