Hello! If you just want to send reply attributes of type Session-Octets-Limit add this to your dictionary file (located probably in /usr/local/share/freeradius): # Limit session traffic ATTRIBUTE Session-Octets-Limit 227 integer # What to assume as limit - 0 in+out, 1 in, 2 out, 3 max(in,out) ATTRIBUTE Octets-Direction 228 integer i tried this and its not working can u please tell me what i doing wrong?