Dear freeradius users, I am currently facing an issue on my network architecture. Before, I was using freeradius with a DHCP server running in order to attribute IPs addresses to my customers (I work for an ISP) This configuration is perfectly working however for security, maintenance and monitoring, I took the choice of delivering IP addresses through my radius server. In fact, our Base Station got 2 modes of working, one is Ethernet and the other is IP mode data, so I juste configured as IP mode data to get it working. WHAT IS THE PROBLEM : when I connect my computer it is perfectly working and I can get my IP and all network parameters to get an access to the Internet however, when I want to change of computer, it does not work anymore. We were thinking about record of the MAC address as a security level and would like to get to know more about it. The attributes we are using are : Framed-Netmask --> Netmask Filter-Id --> DNS in this attribute (that's vendor attribute Alvarion) Framed-route --> Routing to the gateway Framed-Ip-address --> the IP addresse If you don't know, could you please advice me on how to troubleshoot this issue. Thanks in advance for your help, Best regards Sylvain