Re: We are using the Cisco ACS 5.3 as a RADIUS for database authentication and authorization. The purpose is to authenticate incoming users based on the NAS-PORT-ID. The problem is that we cannot find any solution for the Service Router (Alcatel 7750) to send the NAS-PORT-ID to act as USERNAME. The username field is set to the MAC address. The ACS requires a USERNAME and there is not a way to manipulate the User-Name value once it is received. We heard that it could be possible to use the freeradius to