Advanced level · Module 4: Monitoring and Troubleshooting Complex Networks · Lesson 4 of 4
Change Management and Documentation
Make changes safely and keep records current.
In this lesson you will
- Plan and approve network changes
- Maintain living documentation
Key concepts
change requestsrollback plansmaintenance windowsdocumentation
The lesson
Many outages are caused by changes. A change request states what will change, why, risks, tests and how to roll back.
Schedule risky changes in maintenance windows and inform users.
Update diagrams, IP plans and configuration backups after every change.
Step by step
- Write a change request.
- Write a rollback plan.
- Carry out the change in the lab.
- Update documentation.
Practice activity
Complete a change request and implement it in the lab.
Expected result: An approved change implemented with documentation updated.
Check your understanding
-
What must every change request include?
Show answer
What, why, risks, tests and rollback.
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When should documentation be updated?
Show answer
After every change.
Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.