Module : Troubleshooting Methodologies and Tools
Module Overview
Using a Layered Architectural Model to Describe Data Flow
Encapsulating data
OSI model versus TCP/IP model
Position of network devices in layered model
Troubleshooting Approaches
General troubleshooting process
Bottom-up
Top-down
Divide and conquer
Guidelines for selecting an approach
Gathering Symptoms
Gathering symptoms for a network problem
Gathering symptoms from an end-user: hardware
Gathering symptoms from an end-user: software
Questions to ask an end-user
Flow charts for gathering network and end-user symptoms
Network Management Tools
Network management system frameworks
Knowledge base tools
Performance measurement and reporting tools
Event and fault management tools
Policy management tools
Module: Summary
Module: Quiz



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