Welcome to the Network Admin Guide

Project Overview

This comprehensive guide covers network troubleshooting across all OSI layers (L1-L7) plus cybersecurity issues. Each section provides detailed problem analysis, root cause identification, and step-by-step solutions with practical examples and simulation notes.

What You'll Find Here:

  • Problem Definition: Clear description of network issues
  • Potential Causes: Common root causes and triggers
  • Solution Steps: Detailed troubleshooting procedures
  • Terminal Commands: Practical CLI examples
  • Simulation Materials: Notes on Cisco Packet Tracer scenarios

Getting Started

Navigate through the sidebar to explore different OSI layers and cybersecurity topics. Click on any item to view detailed troubleshooting guides with practical examples. Use the provided commands and simulation notes to enhance your understanding.

ping 8.8.8.8 traceroute google.com netstat -an | grep LISTEN arp -a

Cisco Packet Tracer Resources

Each troubleshooting guide includes simulation notes for Cisco Packet Tracer. You can download Packet Tracer files for hands-on practice or get the software itself if you don't have it installed.

Cisco Packet Tracer is a powerful network simulation tool that allows you to create virtual network topologies and practice troubleshooting in a safe environment.

Note: You need a Cisco Networking Academy account to download Packet Tracer.

Get Cisco Packet Tracer