DHCP SERVER CONFIGURATION RHEL 7

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 DHCP (Dynamic Host Configuration Protocol) is a network protocol used to dynamically assign IP addresses for computers attached to the network.

=> Default Port : 67 (UDP)

=> Configuration File :  /etc/dhcp/dhcpd.conf

=> Install dhcp Service on the server

#yum install dhcp*

=> Copy the example file data to the dhcpd.conf file

#cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf

=> Now  Edit configuration file :

#vi /etc/dhcp/dhcpd.conf

=> Comment all the line except the following

 authoritative;

=> edit the following details :

#A slightly different .................................., below this line content

subnet 192.168.0.0 netmask 255.255.255.0 {

range 192.168.0.100 192.168.0.200; (Range of the IP Address for Client Machine)

option routers 192.168.0.1; (Router IP address)

option broadcast-address 192.168.0.255; ( place your broadcast address here)

default-lease-time 600;

max-lease-time 7200;

}

Save and Exit

=> Go to Client Machine and restart the NetworkManager service 

#systemctl restart NetworkManager

=> Now you can check Client IP Address 

#ifconfig | less


Thank you........................

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