sample-etc_dhcpc_dhcpcd-eth0.exe

#!/bin/sh
######################################################################
## $Id: sample-etc_dhcpc_dhcpcd-eth0.exe 96 2008-06-13 20:24:24Z wimpunk $
######################################################################
PATH=/usr/sbin:${PATH}

## update the DNS server unless the IP address is a private address
## that may be used as an internal LAN address. This may be true if
## other interfaces are assigned private addresses from internal
## DHCP server.

case "$1" in
10.*)   	;;
172.1[6-9].* | 172.2[0-9].* | 172.3[0-1].*)	;;
192.168.*)	;;
*)
	logger -t dhcpcd IP address changed to $1
	ddclient -daemon=0 -syslog -use=ip -ip=$1 >/dev/null 2>&1
	;;
esac