esac.sh

case "$1" in
       down)
               /bin/echo "Bringing interface down"
               /usr/sbin/ifdown eth0
               ;;
       up)
               /bin/echo "Bringing interface up"
               /usr/sbin/ifup eth0
               ;;
       update)
               /bin/echo "And this is an Update"
               /usr/sbin/ifdown eth0
               /usr/sbin/ifup eth0
               ;;
       *)
               /bin/echo moooooooo
               ;;
esac