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ZyAIR Wireless Gateway Series User’s Guide
Wireless Security 7-19
Table 7-7 Wireless LAN: 802.1x/WPA for WPA-PSK Protocol
LABEL DESCRIPTION
Key Management
Protocol
Choose WPA-PSK in this field.
Pre-Shared Key
The encryption mechanisms used for WPA and WPA-PSK are the same. The only
difference between the two is that WPA-PSK uses a simple common password,
instead of user-specific credentials.
Type a pre-shared key from 8 to 63 case-sensitive ASCII characters (including spaces
and symbols).
WPA Mixed Mode
The ZyAIR can operate in WPA Mixed Mode, which supports both clients running
WPA and clients running dynamic WEP key exchange with 802.1x in the same Wi-Fi
network.
Select Enable to activate WPA mixed mode. Otherwise, select Disable.
WPA Group Key
Update Timer
The WPA Group Key Update Timer is the rate at which the AP (if using WPA-PSK
key management) or RADIUS server (if using WPA key management) sends a new
group key out to all clients. The re-keying process is the WPA equivalent of
automatically changing the WEP key for an AP and all stations in a WLAN on a
periodic basis. Setting of the WPA Group Key Update Timer is also supported in
WPA-PSK mode. The ZyAIR default is 1800 seconds (30 minutes).
Authentication
Databases
This field is only visible when WPA Mixed Mode is enabled.
When you configure Key Management Protocol to WPA, the Authentication
Databases must be RADIUS Only. You can only use the Local User Database Only
with 802.1x Key Management Protocol.
7.13 Introduction to Local User Database
By storing user profiles locally on the ZyAIR, your ZyAIR is able to authenticate wireless users without
interacting with a network RADIUS server. However, there is a limit on the number of users you may
authenticate in this way.
7.14 Configuring Local User Database
To change your ZyAIR’s local user database, click ADVANCED, WIRELESS and then the Local User
Database tab. The screen appears as shown (some of the screen’s blank rows are not shown).