yum install dhcp
cat >/etc/dhcp/dhcpd.conf<<EOF
option domain-name "dhcp.com";
option domain-name-servers 192.168.1.1;
default-lease-time 600;
max-lease-time 7200;
log-facility local7;
subnet 192.168.1.0 netmask 255.255.255.0 {
  range 192.168.1.2 192.168.1.200;
  option routers 192.168.1.1;
  next-server 192.168.1.1;   ##表示客户端得到分配的ip后，去找这台主机
  ##filename "pxelinux.0";    ##访问192.168.1.1主机上的pxelinux.0文件
}
EOF
#重启服务生效
systemctl restart dhcpd
#校验
netstat -lunat|grep 67