The proper syntax for such a comparison is:

if (&Framed-IP-Address > 192.168.0.0/24) {

}

or

if (&Framed-IP-Address < 192.168.0.0/24) {

}

if you ever want the statement to evaluate to true.

Arran Cudbard-Bell <a.cudbardb@freeradius.org>
FreeRADIUS Development Team