VLAN assignment based on NAS ID

Hello, I would like to assign VLANs based on NAS ID. We have different subnets with switches that do 802.1x. I have tried adding NAS-IP-Address to the Users file but without any success. DEFAULT NAS-Port-Type = Ethernet         Tunnel-Type = VLAN,         Tunnel-Medium-Type = IEEE-802,         Tunnel-Private-Group-Id = 207,         NAS-IP-Address = 10.2.106.0/24 DEFAULT NAS-Port-Type = Ethernet         Tunnel-Type = VLAN,         Tunnel-Medium-Type = IEEE-802,         Tunnel-Private-Group-Id = 200         NAS-IP-Address = 10.2.16.0/24 How to accomplish this the right way? Thanks. Kind regards, Max