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Appendix B Wireless LANs
NWA-3500/NWA-3550 User’s Guide
331
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 228 WPA(2) with RADIUS Application Example
WPA(2)-PSK Application Example
A WPA(2)-PSK application looks as follows.
1 First enter identical passwords into the AP and all wireless clients. The Pre-Shared
Key (PSK) must consist of between 8 and 63 ASCII characters or 64 hexadecimal
characters (including spaces and symbols).
2 The AP checks each wireless client's password and (only) allows it to join the
network if the password matches.
3 The AP and wireless clients use the pre-shared key to generate a common PMK
(Pairwise Master Key).