Set up dhcpd under RHEL7/Centos7

yum -y install dhcp

vi /etc/dhcp/dhcpd.conf

# create new
 
# specify domain name
option domain-name "test.local";
 
# specify name server's hostname or IP address

option domain-name-servers dns.test.local;
# default lease time

default-lease-time 600;
# max lease time

max-lease-time 7200;
# this DHCP server to be declared valid

authoritative;
# specify network address and subnet mask

subnet 10.0.0.0 netmask 255.255.255.0 {
    
# specify the range of lease IP address

    range dynamic-bootp 10.0.0.200 10.0.0.254;
    
# specify broadcast address

    option broadcast-address 10.0.0.255;
    
# specify default gateway

    option routers 10.0.0.1;
}

 

systemctl start dhcpd 

systemctl enable dhcpd