Netgear FWG114Pv2 FWG114Pv2 Reference Manual - Page 243

Reference Manual for the ProSafe Wireless 802.11g Firewall/Print Server Model FWG114P v2 Client with a WPAenabled wireless adapter and supplicant (Win XP, Funk, Meetinghouse) For example, a WPA-enabled AP For example, a RADIUS server 1 2 3 4 6 5 7 Figure E-4: 802.1x Authentication Sequence The AP sends Beacon Frames with WPA information element to the stations in the service set. Information elements include the required authentication method (802.1x or Pre-shared key) and the preferred cipher suite (WEP, TKIP, or AES). Probe Responses (AP to station) and Association Requests (station to AP) also contain WPA information elements. 1. Initial 802.1x communications begin with an unauthenticated supplicant (client device) attempting to connect with an authenticator (802.11 access point). The client sends an EAP-start message. This begins a series of message exchanges to authenticate the client. 2. The access point replies with an EAP-request identity message. Wireless Networking Basics 201-10301-02, May 2005 E-13