function hm {
	dhclient eth2
	echo change to default succesfull
}

function wrk {
	route del default
	ifconfig eth2 172.16.10.50 netmask 255.255.255.0
	route add default gw 172.16.0.1 eth2
	sed -e '/^nameserver*$/d' /etc/resolv.conf
	echo "nameserver 172.16.255.254">>/etc/resolv.conf
	echo change to unusal succesfull
}

while :
do
	case "$1" in
		-h | home )
		hm
		exit 0
		;;
		-w | work)
		wrk
		exit 0
		;;
		-*)
		echo Unknow option $1
		exit 1
		;;
	esac
done