DHCP (Dynamic Host Configuration Protocol) Server

# tar -zxvf dhcp-latest.tar.gz
# cd dhcp-latest
# ./configure
# make
# make install
# touch /var/state/dhcp/dhcpd.leases		#

/var/state/dhcp
/etc/dhcpd.conf

##
##	dhcpd.conf
##

server-identifier yui.mine.nu;			# 
option domain-name "yui.mine.nu";		# 
option domain-name-servers yui.mine.nu;		# DNS
ddns-update-style none;

subnet 192.168.1.0 netmask 255.255.255.0 {	# 
	option routers 192.168.1.1;		# 
	option subnet-mask 255.255.255.0;	# 
	option broadcast-address 192.168.1.255;	# 
	default-lease-time 21600;		# 
	max-lease-time 43200;			# 
	range 192.168.1.100 192.168.1.200;	# IP
}

/usr/sbin/dhcpd eth0

#!/bin/sh
#
# dhcpd		This shell script takes care of starting and stopping dhcpd.
#
# chkconfig: 2345 65 35
# description: dhcpd provide access to Dynamic Host Control Protocol.

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

[ -f /usr/sbin/dhcpd ] || exit 0
[ -f /etc/dhcpd.conf ] || exit 0

# See how we were called.
case "$1" in
  start)
	# Start daemons.
	echo -n "Starting dhcpd: "
	route add -host 255.255.255.255 dev eth1
	daemon /usr/sbin/dhcpd eth1
	echo
	touch /var/lock/subsys/dhcpd
	;;
  stop)
	# Stop daemons.
	echo -n "Shutting down dhcpd: "
	route del -host 255.255.255.255 dev eth1
	killproc dhcpd
	echo
	rm -f /var/lock/subsys/dhcpd
	;;
  restart)
	$0 stop
	$0 start
	;;
  status)
	status dhcpd
	;;
  *)
	echo "Usage: dhcpd {start|stop|restart|status}"
	exit 1
esac

exit 0