Network troubleshooting methodology
Proper network troubleshooting follows a systematic approach. Rather than guessing solutions to problems based on unclear information and random theories, network professionals who follow a proper troubleshooting methodology perform a specific, organized process that helps them to be more efficient in their problem-solving operations.
The following is a step-by-step network troubleshooting methodology:
- Identify the problem.
- Establish a theory of probable cause.
- Test the theory to determine the cause.
- Establish a plan of action to resolve the problem and identify potential effects.
- Implement the solution or escalate as necessary.
- Verify full system functionality and, if applicable, implement preventive measures.
- Document findings, actions, outcomes, and lessons learned.
Let’s look at each step in detail:
- Identify the problem: The first step in troubleshooting any network issue is to identify...