PREUN

/bin/sh

if [ $1 = 0 ]; then
   service rdisc stop >/dev/null 2>&1
   /sbin/chkconfig --del rdisc
fi

POSTIN

/bin/sh

/sbin/chkconfig --add rdisc

POSTUN

/bin/sh

if [ "$1" -ge "1" ]; then
    service rdisc restart >/dev/null 2>&1 || :
fi