158 Nortel Networks L2/3 Ethernet Switch Module for IBM Eserver BladeCenter
9.3 Systematic approachFigure 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 P lan
Implement A ction Plan
Observe Results
Problem Res olved