#!/gns3/bin/busybox sh SCRIPT="/gns3/etc/udhcpc/default.script" if [ "$(cat "/proc/$PPID/comm" 2>/dev/null)" = ifup ]; then # remove "-n" argument for arg do shift [ "$arg" = "-n" ] || set -- "$@" "$arg" done # add default parameters set -- -t 3 -T 2 -A 1 -b "$@" fi exec /tmp/gns3/bin/udhcpc -s "$SCRIPT" "$@"