安装dhcp软件包

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yum install -y dhcp*

查看dhcpd.conf配置文件

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vim /etc/dhcpd.conf
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[root@localhost ~]# cat /etc/dhcp/dhcpd.conf

#

# DHCP Server Configuration file.

# see /usr/share/doc/dhcp*/dhcpd.conf.sample

# see 'man 5 dhcpd.conf'

#};

可以看到是要我们借鉴这个模板文件

更改dhcpd.conf文件

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cp /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcpd.conf
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vim /etc/dhcpd.conf

文件很长 这里我们只需要留下这些 并稍作修改

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subnet 192.168.150.0 netmask 255.255.255.0 {        #指定网络及子网掩码
range 192.168.150.100 192.168.150.200; #设置分配的ip地址范围
option domain-name-servers 192.168.150.11; #指定dns服务器的地址
option domain-name "da1sy.com"; #域名,同上,可参考/etc/resolv.conf
option routers 192.168.150.11; #网关地址
option broadcast-address 192.168.150.255; #广播地址
default-lease-time 600; #默认租约
max-lease-time 7200; #最大租约
}

host fantasia {

hardware ethernet 08:00:07:26:c0:a5; #指定对应主机的MAC地址
fixed-address 192.168.150.11; #指定为该主机保留的IP地址
}

启动服务

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service dhcpd start