Simultaneous-Use

Hello,

I'm trying to understand the mechanism for Simultaneous-Use check.

In the doc (Debian package freeradius/testing 1.0.2-1) it says:

....Only when someone tries to login who _already_ has an active
session according to the radutmp file, the server executes the perl
script /usr/local/sbin/checkrad...

I've defined two radius servers on NASs (with user info in MySQL) so if the
active one goes down the other can do all accounting stuff without problems
but local radutmp will no longer be sync because each radius logs into
radutmp the logins authorized by it.

I would like to know if _only_ when there is a established connection
according to local radutmp file, checkrad will be triggered?

There is a way to force checkrad on each auth process and use SNMP querys to
NASs when the Simultaneous-Use check parameter for that group/user exists?

Regards,
--
David

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