准备工作：dhcp服务器必须有静态的ip地址配置信息//查看系统是否安装了dhcp软件包#rpm-qa|grepdhcp//如果没有安装，就使用第二张系统光盘安装；#mount/dev/cdrom/mnt/cdrom#cd/mnt/cdrom/RedHat/RPMS#ls|grepdhcp#rpm-ivhdhcp.**.rpm//安装服务器包//dhcp本身自带了配置文件的模版，可以利用模版来建立配置文件；#rpm-qldhcp//察看包里hdcpd.conf.sample模版文件存放位置；#cp/usr/share/doc/dhcp-3.0pl1/dhcpd.conf.sample/etc/dhcpd.conf#vi/etc/dhcp.conf//将配置文件根据实际需要做相应修改；ddns-update-styleinterim;ignoreclient-updates;subnet192.168.10.0netmask255.255.255.0{#---defaultgatewayoptionrouters192.168.60.254;//为dhcp客户设置网关；optionsubnet-mask255.255.255.0;//为dhcp客户设置子网掩码；#optionnis-domain"xxx.com";//为dhcp客户设置nis域；#optiondomain-name"xyz.org";//为dhcp客户设置dns域；optiondomain-name-servers202.99.166.4;//为dhcp客户设置dns服务器地址；optiontime-offset-18000;#EasternStandardTime//设置与格林威治时间的偏移；#optionntp-servers192.168.10.254;//为dhcp客户设置ntp服务器地址；#optionnetbios-name-servers192.168.10.254;//为dhcp客户设置wins服务器地址；#optionnetbios-node-type2;//为dhcp客户设置wins节点类型；rangedynamic-bootp192.168.60.128192.168.60.255;//设置地址池；default-lease-time21600;//默认地址租约；max-lease-time43200;//设置最长地址租约；//设置主机生命；hostpc1{optionhost-namepc1.xxx.com;//为dhcp客户指定主机名；hardwareethernet12:34:56:78:AB:CD;//指定客户端的接口类型及mac地址；fixed-address192.168.10.1;//设置为其分配的地址；}}//启动dhcp服务器；#servicedhcpdstart#servicedhcpdstatus