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Chapter 6 Wireless LAN
NWA1000 Series User’s Guide
80
6.8 Layer-2 Isolation
Layer-2 isolation is used to prevent wireless clients associated with your NWA from communicating
with other wireless clients, APs, computers or routers in a network.
In the following example, layer-2 isolation is enabled on the NWA to allow a guest wireless client
(A) to access the main network router (B). The router provides access to the Internet and the
network printer (C) while preventing the client from accessing other computers and servers on the
Backup RADIUS
Server
If the NWA cannot communicate with the primary RADIUS server, you can have the
NWA use a backup RADIUS server. Make sure the check box is selected if you want to
use the backup server.
The NWA will attempt to communicate three times before using the backup server.
Requests can be issued from the client interface to use the backup server. The length
of time for each authentication is decided by the wireless client or based on the
configuration of the Reauthentication Time field in the Wireless LAN > Security
screen.
Backup Server IP
Address
Enter the IP address of the RADIUS server to be used for authentication.
Backup Server
Port
Enter the port number of the RADIUS server to be used for authentication.
Backup Share
Secret
Enter a password (up to 64 alphanumeric characters) as the key to be shared
between the external authentication server and the NWA. The key must be the same
on the external authentication server and your NWA. The key is not sent over the
network.
Primary Accounting
Server
Select the check box to enable user accounting through an external authentication
server.
Primary Server IP
Address
Enter the IP address of the external accounting server in dotted decimal notation.
Primary Server
Port
Enter the port number of the external accounting server.
Primary Share
Secret
Enter a password (up to 64 alphanumeric characters) as the key to be shared
between the external accounting server and the NWA. The key must be the same on
the external accounting server and your NWA. The key is not sent over the network.
Backup Accounting
Server
If the NWA cannot communicate with the primary accounting server, you can have
the NWA use a backup accounting server. Make sure the check box is selected if you
want to use the backup server.
The NWA will attempt to communicate three times before using the backup server.
Backup Server IP
Address
Enter the IP address of the external accounting server in dotted decimal notation.
Backup Server
Port
Enter the port number of the external accounting server.
Backup Share
Secret
Enter a password (up to 64 alphanumeric characters) as the key to be shared
between the external accounting server and the NWA. The key must be the same on
the external accounting and your NWA. The key is not sent over the network.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes.
Cancel Click Cancel to begin configuring this screen afresh.
Table 21 Wireless LAN > RADIUS (continued)
LABEL DESCRIPTION