USRobotics NETServer/8 - Manual (Page 160)

10-10 Command Reference
RADIUS security
The following commands configure the NETServer’s use of
RADIUS security servers. See Appendix F for more information
on RADIUS.
Primary RADIUS Server
This is the IP address of the primary RADIUS authentication
server. Use the following command:
set authentic <IP address>
Alternate RADIUS Server
The IP address of the secondary RADIUS authentication server.
If the primary server is unavailable, the NETServer will check
with this server. Use the following command:
set alternate <IP address>
RADIUS Secret
This is the encryption key used to encode user passwords and
verify the user password with the RADIUS server. Use the
following command:
set secret <encryption key>