Chapter Summary

Troubleshooting networks is an activity with which network administrators become very familiar. Successful troubleshooting does not happen by accident; rather, the troubleshooting process follows some defined procedures. These procedures include the following:

1.
Establish what the symptoms are.
2.
Identify the affected areas.
3.
Establish what has changed.
4.
Select the most probable cause.
5.
Implement a solution.
6.
Test the results.
7.
Recognize the potential effects of the solution.
8.
Document the solution.

You can use several strategies when troubleshooting different topologies, and each topology has unique troubleshooting considerations. When you are troubleshooting a network, it is necessary to identify the ...

Get Network+ Training Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.