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$ curl repovive.com/roadmaps/network-design/troubleshooting-methodology

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$ curl repovive.com/roadmaps/network-design/troubleshooting-methodology

Troubleshooting Methodology

Lessons

1. Intro

2. Structured Troubleshooting

3. OSI Layer Approach

Ready to start learning?

4. Layer 1 Troubleshooting

5. Layer 2 Troubleshooting

6. Layer 3 Troubleshooting

7. Quiz: OSI Troubleshooting

8. Common Connectivity Issues

9. DNS Problems

10. DHCP Problems

11. Using Ping

12. Using Traceroute

13. Using Nslookup and Dig

14. Using Netstat

15. Quiz: Diagnostic Tools

16. Packet Capture Basics

17. Wireshark Essentials

18. Tcpdump Usage

19. Reading Packet Captures

20. Quiz: Packet Capture

21. Cable Testing

22. Hardware Diagnostics

23. Documentation During Troubleshooting

24. Ticketing Best Practices

25. When to Escalate

26. Working with Vendors

27. Quiz: Escalation

28. Post-Incident Review

29. Root Cause Analysis

30. Preventive Measures

31. Building a Troubleshooting Toolkit

32. Quiz: Analysis and Prevention

33. Section 19 Recap