# netstat -tunelup Aktive Internetverbindungen (Nur Server) Proto Recv-Q Send-Q Local Address Foreign Address State Benutzer Inode PID/Program name [...] udp 0 0 192.168.100.207:1812 0.0.0.0:* 0 7223 2012/mp_kerneld.x udp 0 0 192.168.100.207:1813 0.0.0.0:* 0 7224 2012/mp_kerneld.x udp 0 0 192.168.100.207:1814 0.0.0.0:* 0 7225 2012/mp_kerneld.x [...]
There you are. Some program named mp_kerneld.x is occupying the port. That's why freeradius won't start.
See this Thread: http://www.mail-archive.com/freeradius-users@lists.freeradius.org/msg33532.h tml HTH, Thibault