The Configure and Verify DHCP and DNS module provide you with the instructions and Cisco hardware to develop your hands on skills in configuring DHCP and DNS on Cisco devices. This module includes exercises that will cover the following topics:

  • Configuring a router as a DNS server
  • Configuring a router as a DHCP server
  • Configuring a router as a DHCP client

Exercise 1 - Configure DNS on a Router

The Domain Name System is a naming system for computers and resources connect to the internet. It associates IP addresses with domain names so that you don’t have to memorize an IP address to visit your favorite web page. In a small office environment, it may be desirable to run a local DNS server on the router to IP services to clients on the local subnet.

Exercise 2 - Configure and Verify DHCP

In this exercise, you will configure a Cisco router to act as a DHCP server within the lab environment. DHCP is a service that enables hosts to get an IP address dynamically without you having to manually configure them; this is particularly useful where you have hundreds of PCs and laptops and other devices that don’t require static addresses in your network. Some devices you may want to configure statically such as servers and networking equipment and printers but for everything else DHCP is normally a good configuration choice.

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