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P-334U/P-335U User’s Guide
Chapter 4 Wireless LAN 77
4.4 OTIST
In a wireless network, the wireless clients must have the same SSID and security settings as
the access point (AP) or wireless router (we will refer to both as “AP” here) in order to
associate with it. Traditionally this meant that you had to configure the settings on the AP and
then manually configure the exact same settings on each wireless client.
OTIST (One-Touch Intelligent Security Technology) allows you to transfer your AP’s SSID
and WEP or WPA-PSK security settings to wireless clients that support OTIST and are within
transmission range. You can also choose to have OTIST generate a WPA-PSK key for you if
you didn’t configure one manually.
Note: OTIST replaces the pre-configured wireless settings on the wireless clients.
Group Key Update
Timer
The Group Key Update Timer is the rate at which the AP (if using WPA-PSK/
WPA2-PSK key management) or RADIUS server (if using WPA/WPA2 key
management) sends a new group key out to all clients. The re-keying process is
the WPA/WPA2 equivalent of automatically changing the WEP key for an AP and
all stations in a WLAN on a periodic basis. Setting of the Group Key Update
Timer is also supported in WPA-PSK/WPA2-PSK mode. The ZyXEL Device
default is 1800 seconds (30 minutes).
Authentication Server
IP Address Enter the IP address of the external authentication server in dotted decimal
notation.
Port Number Enter the port number of the external authentication server. The default port
number is 1812.
You need not change this value unless your network administrator instructs you
to do so with additional information.
Shared Secret Enter a password (up to 31 alphanumeric characters) as the key to be shared
between the external authentication server and the ZyXEL Device.
The key must be the same on the external authentication server and your ZyXEL
Device. The key is not sent over the network.
Accounting Server
Active Select Yes from the drop down list box to enable user accounting through an
external authentication server.
IP Address Enter the IP address of the external accounting server in dotted decimal notation.
Port Number Enter the port number of the external accounting server. The default port number
is 1813.
You need not change this value unless your network administrator instructs you
to do so with additional information.
Shared Secret Enter a password (up to 31 alphanumeric characters) as the key to be shared
between the external accounting server and the ZyXEL Device.
The key must be the same on the external accounting server and your ZyXEL
Device. The key is not sent over the network.
Apply Click Apply to save your changes back to the ZyXEL Device.
Reset Click Reset to reload the previous configuration for this screen.
Table 27 Wireless: WPA/WPA2
LABEL DESCRIPTION