Provided by: freeradius-common_3.2.7+dfsg-1ubuntu2_all 

NAME
radtest - send packets to a RADIUS server, show reply
SYNOPSIS
radtest [-d raddb_directory] [-P tcp/udp] [-t pap/chap/mschap/eap-md5] [-x ] [-4 ] [-6 ] user password
radius-server nas-port-number secret [ppphint] [nasname]
DESCRIPTION
radtest is a frontend to radclient(1). It generates a list of attribute/value pairs based on the command
line arguments, and feeds these into radclient. It's a fast and convenient way to test a radius server.
OPTIONS
-d raddb_directory
The directory that contains the RADIUS dictionary files. Defaults to /etc/freeradius/3.0.
-P proto
Use proto transport protocol ("tcp" or "udp"). Only available if FreeRADIUS is compiled with TCP
transport support.
-t pap/chap/mschap/eap-md5
Choose the authentication method to use. e.g. "-t pap", "-t chap", "-t mschap", or "-t eap-md5",.
Defaults to "pap". Using EAP-MD5 requires that the "radeapclient" program is installed.
-x Enables debugging output for the RADIUS client.
-4 Use NAS-IP-Address for the NAS address (default)
-6 Use NAS-IPv6-Address for the NAS address (default)
user Username to send.
password
Password of the user.
radius-server
Hostname or IP address of the radius server. Optionally, you may specify a port by appending :port
nas-port-number
The value of the NAS-Port attribute. Is an integer between 0 and 2^31, and it really doesn't
matter what you put here. 10 will do fine.
secret The shared secret for this client.
ppphint
If you put an integer > 0 here, radtest (or actually radclient) will add the attribute Framed-
Protocol = PPP to the request packet.
nasname
If present, this will be resolved to an IP address and added to the request packet as the NAS-IP-
Address attribute. If you don't specify it, the local hostname of the system will be used.
SEE ALSO
radiusd(8), radclient(1).
AUTHOR
Miquel van Smoorenburg, miquels@cistron.nl.
5 April 2010 RADTEST(1)