# rpm -ivh dhcp-3.0.5-21.el5.i386.rpm
安装dhcp软件包
# cat /etc/dhcpd.conf
#
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample
显示配置文件范本的存放位置
# cp /usr/share/doc/dhcp-3.0.5/dhcpd.conf.sample /etc/dhcpd.conf
cp:是否覆盖“/etc/dhcpd.conf”? y
输入y
# vim /etc/dhcpd.conf
ddns-update-style interim;
ignore client-updates;
subnet 192.168.1.0 netmask 255.255.255.0 {
表示要动态分配那个网段的
option routers 192.168.1.254;
默认网关
option subnet-mask 255.255.255.0;
使用的子网掩码是
option domain-name "crazy.hn";
网内主机的域名是
option domain-name-servers 192.168.1.1;
DNS服务器的IP
option time-offset -18000; # Eastern Standard Time
range dynamic-bootp 192.168.1.128 192.168.1.218;
分配IP地址的范围
default-lease-time 21600;
max-lease-time 43200;
默认和最大的租期世界单位秒
host ns {
固定分配IP
hardware ethernet 12:34:56:78:AB:CD;
客户机的MAC地址
fixed-address 207.175.42.254;
IP地址
}
}
：wq
保存退出
service dhcpd start
开启服务
Starting dhcpd: [OK]
# netstat -anpu | grep dhcp
查看服务是否在UDP协议的67端口
udp 0 0 0.0.0.0:67 0.0.0.0:* 3936/dhcpd
