On Jun 17, 2025, at 7:40 AM, Hermann.Lauer@uni-heidelberg.de wrote:
freeradius is not seeing DHCP broadcast discover messages on the same subnet. ... If you set 'broadcast = yes' in the configuration, it will accept broadcast packets.
Which is set, but seems not to show up in the -X debug output.
That flag sets a socket option which tells the kernel to forward broadcast packets to FreeRADIUS.
Found my error: ipv4addr = 0.0.0.0 or ipaddr = 0.0.0.0 needs to be set to recieve non subnet broadcasts. Thanks and greetings Hermann PS: "ss -f inet -a -e" helped to see this -- Administration/Zentrale Dienste, Interdiziplinaeres Zentrum fuer wissenschaftliches Rechnen der Universitaet Heidelberg IWR; INF 205; 69120 Heidelberg; Tel: (06221)54-14405 Fax: -14427 Email: Hermann.Lauer@iwr.uni-heidelberg.de