Most common commands of Cisco IOS

There are hundreds of commands available in the Cisco IOS command-line interface (CLI). Some of the most common ones are:

• show: Display various types of information about the device, such as the current configuration, interface statistics, and system resources.

• configure terminal: Enter configuration mode, where you can make changes to the device's settings.

• interface: Enter interface configuration mode, where you can configure the settings for a specific interface.

• router: Enter router configuration mode, where you can configure the routing protocols and settings for the device.

• access-list: Configure access control lists (ACLs), which are used to control traffic flow through the device.

• ip route: Configure static routes, which are used to specify a specific path for traffic to follow.

• copy: Copy files to or from the device, such as configuration files or IOS images.

• ping: Send a test packet to a destination to verify connectivity.

• traceroute: Display the path that packets take to reach a destination.

This is just a small sample of the commands available in Cisco IOS. There are many more commands available for tasks such as network management, security, and system maintenance.