IBM Nortel Networks L2/3 - Systematic Approach; Problem Definition

158 Nortel Networks L2/3 Ethernet Switch Module for IBM Eserver BladeCenter
9.3 Systematic approach
Figure 9-1 provides a basic flow diagram on how to approach troubleshooting Nortel
Networks L2/3 GbESM.
Figure 9-1 Basic flow diagram
9.3.1 Problem definition
In this step, we make an effort to define our problem by asking the following questions:
򐂰 Who is affected?
򐂰 What are the symptoms of the problem?
򐂰 What problems could cause these symptoms?
򐂰 When does the problem occur?
򐂰 Where in the network are the symptoms seen?
򐂰 Is it a hardware or software issue?
Define Problem
Collect Data
Analyse Data
Create Action Plan
Implement Action Plan
Observe Results
Problem Resolved