How to Setup A DHCP Server

(VM Version)

DHCP Server

- DHCP automatically gives IP addresses to clients who are requesting for an IP.

- It is a centralized IP Address management

- DHCP Prevent any IP address conflicts and help to converse the use of client IP address on the network

- DHCP also help reduces the complexity and amount of administrative work by assigning TCP/IP configuration

Step 1: Search for DHCP-Server on Linux

- dnf search dhcp-server

Step 2: Install the latest version of DHCP Server

- dnf install dhcp-server -y

Step 3: Configure the DHCP Server

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

(Copy the example file configuration to use as the DHCP Server)

- Afterwards open the copied version vim /etc/dhcp/dhcpd.conf

To Look for this part in the configuration file to be able to setup the subnet, netmask, and its range to be used by other devices

Step 4: Restart the DHCP after configuration

- systemctl restart dhcpd

Step 5: Apply firewall for dhcp

- firewall-cmd –add-service=dhcp –-permanent

- firewall-cmd –reload

Step 6: Enable DHCP 😊

- systemctl enable –-now dhcpd

Step 7: Display the log to view for any device requesting for IP from DHCP (optional)

Any device that requests an IP from DHCP Server will be shown in the log

- tail -f /var/log/boot.log

Step 8: Setup DHCP Client site

- yum install dhclient*

Step 9: Setup client’s profile

- cd /etc/sysconfig/network-scripts/ifcfg-Profile_1

Step 10: Restart the client. To make sure it is refreshed

- systemctl restart NetworkManager

Step 11: Run DHCP Client

- dhclient

Step 12: Check IP output of DHCP Client

- ifconfig enp0s3

Once done with all the steps above , just create the network with auto IP on client side and it will get its IP from DHCP automatically

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