Tuesday, May 21, 2019

Problem with RADIUS hanged sessions

Hi all, i'm trying to get FreeRADIUS to work with Mikrotik Routers to provide PPPOE service.

My problem is the following:

I configured my FreeRADIUS to allow only one session per host. When there's a loss of connectivity between the NAS and the FreeRADIUS server and an user gets disconnected the problem appears. Obviously, when the connectivity is still down the Mikrotik can't authorize the user, but when connectivity gets restored neither.

I can see in the radacct table in the RADIUS server that the old session is still active and it can't authenticate because i allow only one session per host.

What i could do to solve this problem?



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