Figure 53 Wpa-Psk Authentication; Figure 54 Wpa(2) With Radius Application Example - ZyXEL Communications ZyXEL ZyAIR G-470 User Manual

Figure 53 WPA-PSK Authentication

WPA(2) with RADIUS Application Example
You need the IP address of the RADIUS server, its port number (default is 1812), and the
RADIUS shared secret. A WPA(2) application example with an external RADIUS server
looks as follows. "A" is the RADIUS server. "DS" is the distribution system.
1 The AP passes the wireless client's authentication request to the RADIUS server.
2 The RADIUS server then checks the user's identification against its database and grants
or denies network access accordingly.
3 The RADIUS server distributes a Pairwise Master Key (PMK) key to the AP that then
sets up a key hierarchy and management system, using the pair-wise key to dynamically
generate unique data encryption keys to encrypt every data packet that is wirelessly
communicated between the AP and the wireless clients.

Figure 54 WPA(2) with RADIUS Application Example

Appendix B
G-470 User's Guide
93