Hello friend first of all I send you greetings know I am a good novice at this I need your help because I see you are very advanced in this case I desarrolladon a practice school in Freeradius-Server Server at Vercion 2.10.1 I have to make only the MAC authentication for users but my questions is the MAC addresses are enlisted in the Users file that is located in the directory / usr / local / etc / raddb / users if ay where you register the MAC address? with which to command or syntax or only modified the file with the via Appreciate your support Thank your server My mail in which I am at your command is Horacio-21@hotmail.com Thanks !!!!!!!!!!!!