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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