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CCNA 200-301 Cisco IOS CLI Lab Guide

May 10, 2025

Jeremy's IT Lab: CCNA 200-301 Course - Cisco IOS CLI Lab

Introduction

  • Welcome to Jeremy's IT Lab, a complete course for the CCNA 200-301.
  • Encourage viewers to subscribe, like, comment, and share the video.
  • The lab focuses on hands-on experience with Cisco IOS CLI (Command Line Interface).
  • Recommended to watch the Day 4 lecture video first.

Overview

  • Small network setup with PCs, a switch, and a router.
  • Tasks involve basic configurations on the router and switch.
  • Emphasis on configuring both devices for practice.

Step-by-Step Configuration

Step 1: Set Hostnames

  • Devices: Router (R1) and Switch (SW1).
  • Use hostname command in 'Global configuration' mode.
  • Access CLI by clicking the device.
  • Enter 'Privileged exec' mode using enable or en command.
  • Enter 'Global configuration' mode with configure terminal or conf t.
  • Change hostname using hostname R1 and hostname SW1.

Step 2: Set Unencrypted Enable Password

  • Password: 'CCNA' for privileged exec mode.
  • Command: enable password CCNA in 'Global configuration' mode.

Step 3: Test Enable Password

  • Use exit to return to user exec mode.
  • Enter enable, type password 'CCNA' to access privileged exec mode.
  • Incorrect password attempts result in rejection.

Step 4: View Running Configuration

  • Command: show running-config or sh run in privileged exec mode.
  • Displays password in clear text.

Step 5: Enable Password Encryption

  • Command: service password-encryption in 'Global configuration' mode.

Step 6: View Encrypted Password

  • Use do show running-config to view from 'Global configuration' mode.
  • Password now encrypted with type 7 encryption.

Step 7: Configure Secure Enable Password

  • Use enable secret Cisco for MD5 encryption, more secure.

Step 8: Test Secure Enable Password

  • Try logging into privileged EXEC mode.
  • 'CCNA' password fails, 'Cisco' (enable secret) succeeds.

Step 9: View Passwords in Running Configuration

  • show running-config to compare type 7 and type 5 encryption.

Step 10: Save Running Configuration

  • Methods: write, write memory, or copy running-config startup-config.
  • Verify with show startup-config.

Conclusion

  • Encouragement to support by subscribing, liking, commenting, and sharing.
  • Information on donations via cryptocurrency, Patreon, and Brave browser.

Additional Resources

  • Links in description to support the channel and explore Brave browser.