ZyXEL G-405 User Guide - Page 48

WPA-PSK Application Example, WPA with RADIUS Application Example, Step 1.,

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ZyAIR G-405 User's Guide 6.1.4 WPA-PSK Application Example A WPA-PSK application looks as follows. Step 1. Step 2. 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 (including spaces and symbols). The AP checks each client's password and (only) allows it to join the network if it matches its password. Step 3. Step 4. The AP derives and distributes keys to the wireless clients. The AP and wireless clients use the TKIP encryption process to encrypt data exchanged between them. Figure 6-2 WPA - PSK Authentication 6.1.5 WPA 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 application example with an external RADIUS server looks as follows. "A" is the RADIUS server. "DS" is the distribution system. Step 1. The AP passes the wireless client's authentication request to the RADIUS server. Step 2. The RADIUS server then checks the user's identification against its database and grants or denies network access accordingly. Step 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 6-4 Wireless LAN Security Setup

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ZyAIR G-405 User’s Guide
6-4
Wireless LAN Security Setup
6.1.4 WPA-PSK Application Example
A WPA-PSK application looks as follows.
Step 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 (including spaces and symbols).
Step 2.
The AP checks each client’s password and (only) allows it to join the network if it matches its
password.
Step 3.
The AP derives and distributes keys to the wireless clients.
Step 4.
The AP and wireless clients use the TKIP encryption process to encrypt data exchanged
between them.
Figure 6-2
WPA - PSK Authentication
6.1.5 WPA 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 application example with an external RADIUS server looks as follows. “A” is the RADIUS
server. “DS” is the distribution system.
Step 1.
The AP passes the wireless client’s authentication request to the RADIUS server.
Step 2.
The RADIUS server then checks the user's identification against its database and grants or
denies network access accordingly.
Step 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