IOS CLI primarni načini naredbe

Summary

This video script provides an introduction to the Cisco IOS command interface, explaining the various modes available for different user privileges. Starting with User Exec Mode, the script demonstrates how to enter Privileged Exec Mode using the 'enable' command, which grants access to more commands. It also covers Global Configuration Mode, where most switch or router configurations are made, and Interface Configuration Mode, emphasizing the importance of using commands within the correct mode to avoid errors.

Takeaways

• 💻 Start by accessing the console command line interface (CLI) on Cisco IOS.
• ⌨️ Press 'Enter' to begin and observe the command prompt indicating the current mode.
• 🔐 User EXEC mode is the default with limited privileges and commands.
• 🔑 Use 'enable' command to elevate to privileged EXEC mode, signified by a hash or pound sign.
• 🚀 Privileged EXEC mode provides higher privileges and access to more commands.
• ⚙️ Enter Global Configuration mode by typing 'configure terminal' for broader switch/router configurations.
• 🔄 Sub-configuration modes like Interface Configuration mode are accessed for specific settings.
• 📡 Interface Configuration mode is entered by typing 'interface VLAN 1', for example.
• 🚫 Commands may not work if attempted from the wrong mode, which is a common mistake for new users.
• ✅ Always check your prompt to ensure you are in the correct mode when commands aren't working as expected.

Q & A

What is the initial mode a user starts in when interacting with Cisco IOS through a console command line interface?

The initial mode a user starts in is User Exec Mode, indicated by the command prompt showing the default name of the switch with a greater than sign (>).

What command allows a user to transition from User Exec Mode to a higher privilege level in Cisco IOS?

The 'enable' command is used to transition from User Exec Mode to Privileged Exec Mode.

How can you identify that you are in Privileged Exec Mode in Cisco IOS?

You can identify Privileged Exec Mode by the change in the command prompt from a greater than sign (>) to a hash or pound sign (#).

What is Global Configuration Mode in Cisco IOS, and how do you enter it?

Global Configuration Mode is where most configurations of a switch or router take place. You can enter it by typing 'configure terminal' and pressing enter.

What is Interface Configuration Mode, and how does one access it?

Interface Configuration Mode is a sub-configuration mode used to configure specific interfaces. It can be accessed by typing 'interface' followed by the interface type and number, such as 'interface VLAN 1'.

Why might a user encounter an error when attempting to use a command in Cisco IOS?

A user might encounter an error if they are trying to use a command from the wrong mode, as many commands are only available within certain modes.

What is the significance of the command prompt in determining the current mode in Cisco IOS?

The command prompt is significant as it indicates the current mode the user is in, which determines the set of commands that are available to them.

What is a common mistake made by new users when working with Cisco IOS?

A common mistake is trying to use commands that are not available in the current mode, leading to errors and confusion.

How can a user verify they are in the correct mode when encountering command errors in Cisco IOS?

A user should always check the command prompt to ensure they are in the correct mode before attempting to execute a command.

What is the purpose of different command modes in Cisco IOS?

Different command modes in Cisco IOS establish various privilege levels for users, allowing access to a different set of commands based on the level of access required.

Can a user execute all commands from any mode in Cisco IOS?

No, certain commands are restricted to specific modes, and attempting to execute them from the wrong mode will result in an error.