6.5版 DHCP服务器搭建

（一）安装dhcp软件包yum install -y dhcpservice iptables stop //关闭防火墙setenforce 0 //关闭安全linux（二）修改配置文件cd /etc/dhcp/cp dhcpd.conf dhcpd.conf.back //备份主配置文件（以防万一嘛！）cat /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample | grep -v "#" | grep -v "^$" > /etc/dhcp/dhcpd.conf vi /etc/dhcp/dhcpd.conf //主配置文件-----------全局配置部分-------------ddns-update-style interim; default-lease-time 600; //默认最小租约为600smax-lease-time 7200; //默认最大租约为7200s------------网段声明部分-------------subnet 192.168.1.0 netmask 255.255.255.0 { //网段声明 option broadcast-address 192.168.1.255; //广播地址 range 192.168.1.100 192.168.1.200; //分配地址池 option routers 192.168.1.1; //网关 option subnet-mask 255.255.255.0; //掩码 option domain-name-servers 8.8.8.8, 9.9.9.9; //DNS服务器地址 ddns-update-style none; //禁用DNS动态更新 option domain-name "qq.com"; //默认搜索域}（三）启动服务并验证service dhcpd startipconfig /release //释放地址租约ipconfig /renew //重新获取地址租约


(四)host主机声明vi /etc/dhcp/dhcpd.conf //主配置文件host prtsvr { hardware ethernet 00:50:56:C0:00:01; //绑定主机MAC地址 fixed-address 192.168.1.88; //分配给主机的IP地址}重启动服务并验证host主机声明service dhcpd restartipconfig /release //释放地址租约ipconfig /renew //重新获取地址租约



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