CentOS 7.0 - man page for radclient (centos section 1)

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RADCLIENT(1)				FreeRADIUS Daemon			     RADCLIENT(1)

       radclient - send packets to a RADIUS server, show reply

       radclient  [-4]	[-6]  [-d  raddb_directory]  [-c  count]  [-f file] [-F] [-h] [-i id] [-n
       num_requests_per_second] [-p num_requests_in_parallel]  [-q]  [-r  num_retries]	[-s]  [-S
       shared_secret_file]  [-t  timeout]  [-v]  [-x]  server  {acct|auth|status|disconnect|auto}

       radclient is a radius client program. It can send arbitrary radius  packets  to	a  radius
       server, then shows the reply. It can be used to test changes you made in the configuration
       of the radius server, or it can be used to monitor if a radius server is up.

       radclient reads radius attribute/value pairs from it standard input, or from a file speci-
       fied  on  the  command line. It then encodes these attribute/value pairs using the dictio-
       nary, and sends them to the remote server.

       The User-Password and CHAP-Password attributes  are  automatically  encrypted  before  the
       packet is sent to the server.

       -4     Use IPv4 (default)

       -6     Use IPv6

       -c count
	      Send each packet count times.

       -d raddb_directory
	      The directory that contains the RADIUS dictionary files. Defaults to /etc/raddb.

       -f file
	      File  to	read  the  attribute/value pairs from. If this is not specified, they are
	      read from stdin.	This option can be specified multiple times, in which case  pack-
	      ets  are	sent  in  order  by  file,  and within each file, by first packet to last
	      packet.  A blank line separates logical packets within a file.

       -F     Print the file name, packet number and reply code.

       -h     Print usage help information.

       -i id  Use id as the RADIUS request Id.

       -n num_requests_per_second
	      Try to send num_requests_per_second, evenly spaced.  This option allows you to slow
	      down the rate at which radclient sends requests.	When not using -n, the default is
	      to send packets as quickly as possible, with no inter-packet delays.

	      Due to limitations in radclient, this option does not accurately send the requested
	      number of packets per second.

       -p num_requests_in_parallel
	      Send  num_requests_in_parallel,  without	waiting  for a response for each one.  By
	      default, radclient sends the first request it has read, waits for the response, and
	      once  the  response is received, sends the second request in its list.  This option
	      allows you to send many requests at simultaneously.  Once  num_requests_in_parallel
	      are  sent,  radclient waits for all of the responses to arrive (or for the requests
	      to time out), before sending any more packets.

	      This option permits you to discover the maximum load accepted by a RADIUS server.

       -q     Go to quiet mode, and do not print out anything.

       -r num_retries
	      Try to send each packet num_retries times, before giving up on it.  The default  is

       -s     Print out some summaries of packets sent and received.

       -S shared_secret_file
	      Rather  than  reading the shared secret from the command-line (where it can be seen
	      by others on the local system), read it instead from shared_secret_file.

       -t timeout
	      Wait timeout seconds before deciding that the NAS has not responded to  a  request,
	      and re-sending the packet.  The default timeout is 3.

       -v     Print out version information.

       -x     Print out debugging information.

	      The hostname or IP address of the remote server. Optionally a UDP port can be spec-
	      ified. If no UDP port is specified, it is looked up in /etc/services.  The  service
	      name  looked  for  is  radacct  for  accounting  packets,  and radius for all other
	      requests. If a service is not found  in  /etc/services,  1813  and  1812	are  used

	      The  RADIUS  attributes read by radclient can contain the special attribute Packet-
	      Dst-IP-Address.  If this attribute exists, then that IP address is where the packet
	      is sent, and the server specified on the command-line is ignored.

	      If  the  RADIUS attribute list always contains the Packet-Dst-IP-Address attribute,
	      then the server parameter can be given as -.

	      The RADIUS attributes read by radclient can contain the special  attribute  Packet-
	      Dst-Port.   If  this  attribute  exists,	then that UDP port is where the packet is
	      sent, and the :port specified on the command-line is ignored.

       acct | auth | status | disconnect | auto
	      Use auth to send	an  authentication  packet  (Access-Request),  acct  to  send  an
	      accounting  packet  (Accounting-Request),  status to send an status packet (Status-
	      Server), or disconnect to send a disconnection request. Instead  of  these  values,
	      you can also use a decimal code here. For example, code 12 is also Status-Server.

	      The  RADIUS  attributes read by radclient can contain the special attribute Packet-
	      Type.  If this attribute exists, then that type of packet is  sent,  and	the  type
	      specified on the command-line is ignored.

	      If  the  RADIUS  attribute list always contains the Packet-Type attribute, then the
	      type parameter can be given as auto.

       secret The shared secret for this client.  It needs to be defined  on  the  radius  server
	      side too, for the IP address you are sending the radius packets from.

       A sample session that queries the remote server for Status-Server (not all servers support
       this, but FreeRADIUS has configurable support for it).

	      $ echo "Message-Authenticator = 0x00" | radclient status s3cr3t
	      Sending request to server, port 1812.
	      radrecv: Packet from host code=2, id=140, length=54
		  Reply-Message = "FreeRADIUS up 21 days, 02:05"


       Miquel van Smoorenburg, miquels@cistron.nl.  Alan DeKok <aland@freeradius.org>

					   2 April 2009 			     RADCLIENT(1)
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