DHCP Server RHEL 7 / Centos 7

DHCP server : Dynamic host configuration protocol is a Client/Server protocol which will automatically provide IP address to the requested client. Not only IP address along with IP it will also provide subnet mask, default gateway and DNS IP address.
Every device on a TCP/IP-based network must have a unique unicast IP address to access the network and its resources. Without DHCP, IP addresses for new computers or computers that are moved from one subnet to another must be configured manually; IP addresses for computers that are removed from the network must be manually reclaimed.
With DHCP, this entire process is automated and managed centrally. The DHCP server maintains a pool of IP addresses and leases an address to any DHCP-enabled client when it starts up on the network. Because the IP addresses are dynamic (leased) rather than static (permanently assigned), addresses no longer in use are automatically returned to the pool for reallocation.
DHCP server will provide a automatic IP address using DORA process which means

::DHCP Server Profile::
Packages : dhcp*
Service : dhcpd.service
Config file : /etc/dhcp/dhcpd.conf
Port Number: 67

DHCP Server configuration Step by Step guide RHEL 7 / Centos 7

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