
Configuring the SCALANCE IWLAN Controller
Configuring the SCALANCE IWLAN Controller for the First Time
SCALANCE WLC711
User Guide, V8.11, 07/2012, C79000-G8976-C260-03 2-39
page 7-3.
RADIUS is a client/server authentication and authorization access protocol used by a network
access server (NAS) to authenticate users attempting to connect to a network device. The NAS
functions as a client, passing user information to one or more RADIUS servers. The NAS permits
or denies network access to a user based on the response it receives from one or more RADIUS
servers. RADIUS uses User Datagram Protocol (UDP) for sending the packets between the
RADIUS client and server.
You can configure a RADIUS key on the client and server. If you configure a key on the client, it
must be the same as the one configured on the RADIUS servers. The RADIUS clients and servers
use the key to encrypt all RADIUS packets transmitted. If you do not configure a RADIUS key,
packets are not encrypted. The key itself is never transmitted over the network.
Note:
Before you configure the system to use RADIUS-based login authentication, you must configure the Service-
Type RADIUS attribute on the RADIUS server.
To configure the RADIUS login authentication mode:
1. From the top menu, click Wireless Controller. The Wireless Controller Configuration screen
is displayed.
2. In the left pane, click Login Management. The Login Management screen is displayed.
3. Click the RADIUS Authentication tab.
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