using freeradius-failover with 2 servers

[Alan DeKok]

Oguzhan Kayhan wrote: I want to use 2 freeradius servers for failover.
> It seems it wont be a problem if i use mysql backend for logging etc. But,
> I wonder what will happen about multiple login check.
> Because as i know freeradius also checks radutmp file if the user is
> already logged in or not.
> And for ex...If user logs in from server1 and when he tries to login from
> server2...what will be the result?

  He will be logged in twice.

  See raddb/sites-available/copy-acct-to-home-server for a way to fix this.

  Alan DeKok.