DescriptionThis article explains how to configure a FortiGate unit to send accounting interim updates to the Radius accounting server to update the status of an active session.
SolutionUse the following configuration:
config user radius
edit [name]
config accounting-server
edit 1
set status enable
set server [IP]
set secret [secret]
end
set acct-interim-interval [duration] duration between each interim update[600 to 86400 seconds]
end
Note: The Radius server must send the attribute “Acct-Interim-Interval=xxx” (seconds) in the access accept message.
Example configuration on Windows NPS server:
Acct-Interim-Interval attribute sent by the Radius server: