Router(config-line)# <– Line Configuration Mode Router(config-if)# <– Interface Configuration Mode Router(config)# <– Global Configuration Mode The basic CLI modes that we will be referring below are as following:
Mastering the Cisco Router CLI is essential for more complex configuration tasks and it is the most important knowledge you should acquire if you want to become a Cisco network administrator. However, in this post I will show you how to do this basic setup with the Command Line Interface ( CLI). When you first power up a new Cisco Router, you have the option of using the “setup” utility which allows you to create a basic initial configuration. It is a step-by-step guide for the most basic configuration commands needed to make the router operational. This post is by no means an exhaustive tutorial about Cisco Routers and how to configure their numerous features.