Toshiba Magnia Z310 - Manual (Page 85)

4.2.2.4 Re-authentication
Security can be enhanced by periodically making re-authentication even after the station has
passed the authentication.
The re-authentication timing can be set in the following method.
Making re-authentication when the WEP key is distributed
Although this product has the function that periodically changes and distributes the WEP key, it
can be set so that re-authentication is made at that timing. For details on the setting method, see
the following section.
[3.2 Access Point Configuration Utility (Local)]
Setting a session time-out value for the RADIUS server
If the RADIUS server configuration contains a setting item of the session time-out value, its value
indicates a re-authentication interval.
In the case of "Internet Authentication Service" of Windows 2000 Server, the value of [Restrict
maximum session to] is the session time-out value.
The figure below is an example of settings on Windows 2000 Server.
On Server 2003, the value becomes the time ([Minutes client can be connected]) that the client
can be connected.