一、 查看系统是否有安装dhcp包
rpm –qa | grep dhcp
dhcp-3.0.1-12_EL.i386.rpm（第四张光盘）
二、 dhcp server需要静态ip 地址.
vi /etc/sysconfig/network-script/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.1.2
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
三、 配置dhcp server
vi /etc/dhcp.conf
ddns-update-style none;
default-lease-time 21600;
max-lease-time 43200;
option domain-name "abc.com";
option domain-name-servers 192.168.1.1;
option netbios-name-servers 192.168.1.1;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.1.255;
option routers 192.168.1.1;
subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.100 192.168.1.200; }
host server { hardware ethernet 00-0A-EB-97-25-AF; fixed-address 192.168.1.88; }
四、指定接口
vi /etc/sysconfig/dhcpd
五、重启服务
server network restart
server dhcpd restart
六、客户端配置
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=dhcp

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