Consult about NAS

[Alan DeKok]

Seguridad ISL wrote:
> I’m implementing a freeradius server, with some NAS, that have pppoe
> server that validate their users in that Freeradius server, but I have a
> little problem!! IF some NAS turn off, the radius doesn’t disconnect the
> users that was login in that NAS.

  That's how RADIUS works.  It stores information.  It only knows that a
NAS is down if the NAS tells the RADIUS server.

> The radius clean that client, when the
> NAS turn on again, and in that time the clients can’t reconnect.
> 
> Someone know how to have an attribute, like time-out, for the NAS, that
> check if NASs are working, and if not kill all the users connect in that
> dead NAS?

  No.  You have to write that logic yourself.  It's not part of standard
RADIUS.

  Alan DeKok.