TUT-019

DHCP

DHCP - Dynamic Host Configration Protocol

PublishedAug 18, 2026 Read time3 min Views2 Category ccna, networking, ccnp, subnetting , Tags

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on Internet Protocol (IP) networks. DHCP automates the assignment of IP addresses, subnet masks, gateways, and other IP parameters to network devices (clients) from a centralized server (DHCP server).

Key Features of DHCP- Automatic IP Address Assignment- Lease-Based Addressing- Centralized Management- Additional Configuration Parameters.

Benefits of DHCP:

Simplifies Network Management:- Automates IP address assignment and configuration, reducing administrative overhead. Reduces Configuration Errors:- Minimizes manual IP configuration errors and address conflicts. Efficient IP Address Utilization:- Dynamically reassigns IP addresses to devices, optimizing address utilization. Flexibility:- Easily scales to accommodate growing networks and changing configurations.

DHCP Configuration: Router> enable

Router# configure terminal

Router(config)# ip dhcp pool MY_POOL

Router(dhcp-config)# network 192.168.1.0 255.255.255.0

Router(dhcp-config)# default-router 192.168.1.1

Router(dhcp-config)# dns-server 8.8.8.8

Router(dhcp-config)# exit

Router(config)# ip dhcp excluded-address 192.168.1.1 192.168.1.10

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