#!/bin/execlineb -P
fdmove -c 2 1
backtick OLDEXTIP { cat /etc/ndhc/LEASE-wan0 }
importas OLDEXTIP OLDEXTIP
ifelse { eltest -n $OLDEXTIP }
{ /sbin/ndhc -c /etc/ndhc/wan0.conf -r $OLDEXTIP }
/sbin/ndhc -c /etc/ndhc/wan0.conf