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CHECKRAD(5)							File Formats Manual						       CHECKRAD(5)

checkrad -- See if a user is (still) logged in on a certain port. SYNOPSIS
checkrad [-d] nas-type nas-ip nas-port login session-id DESCRIPTION
Checkrad is used by the radius server to check if its idea of a user logged in on a certain port/NAS is correct if a double login is detected. Returns: 0 = no duplicate, 1 = duplicate, >1 = error. OPTIONS
-d Enable printing of debugging informations. nas-type Type of port/NAS. Can be one of: o ascend o bay o cisco o cisco_l2tp o computone o cvx o digitro o dot1x o livingston o max40xx o mikrotik o mikrotik_snmp o multitech o netserver o other o pathras o patton o portslave o pr3000 o pr4000 o redback o tc o usrhiper o versanet The "other" type cause checkrad to skip any check and always returns 1. nas-ip IP address of the NAS to check. nas-port The NAS port to check (may be ignored by some nas-type). login The login name to check. session-id Session to check. (actually ignored by all nas-type) SEE ALSO
radiusd(8) AUTHOR
Written by Miquel van Smoorenburg, This manual page was written by Marco Nenciarini <> for the Debian project (but may be used by others). 13 January 2006 CHECKRAD(5)

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