yum install dhcp.i386
/etc/sysconfig/network-scripts/ifcfg-eth0
IPADDR=192.168.0.1
NETMASK=255.255.255.0
NETWORK=192.168.0.0
/etc/dhcpd.conf
subnet 192.168.0.0 netmask 255.255.255.0{
option routers 192.168.0.1;
range dynamic-bootp 192.168.0.2 192.168.0.2;}
service dhcpd start
arp -a
yum install nmap.i386
nmap -v -sP 192.168.0.0/24