Configuring DHCP on Linux RHEL 7


1) Install the DHCP packages
#yum install dhcp*

2) To view the sample conf file
#vim /usr/share/doc/dhcp*/dhcpd.conf.example

3) Configuring DHCP  (get the domain and range details prior)
#vim /etc/dhcp/dhcpd.conf

      subnet 174.166.0.0  netmask 255.255.255.0 {
      range 174.166.0.10  174.166.0.90;
      option domain-name-servers ns1.shakthi.com;
      option domain-name    shakthi.com;
      option routers 174.166.0.1;
      default-lease-time  600;
      max-lease-time  7200;
}

4) Restart and enable the Service.
#systemctl restart httpd
#systemctl enable httpd