Empty (not ended) session - freeradius 3.0.16

[Alan DeKok]

On Feb 27, 2018, at 5:34 AM, dg <dg at poczta.tarman.pl> wrote:
> From time to time I have session not ended (and without any user assigned to
> that session).
> 
> So i have time when session starts but stop time is NULL.

  The NAS isn't sending stop packets.  FreeRADIUS can only log what it gets.

> so you can see that AcctStopTime is sometimes NULL.
> Can someone help me ? why its happening ?
> i am using cisco switches

  Fix the switches to send stop packets.

  Alan DeKok.