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Implementing Cisco Networking Solutions

You're reading from Implementing Cisco Networking Solutions Configure, implement, and manage complex network designs

Product type Paperback

Published in Sep 2017

Publisher Packt

ISBN-13 9781787121782

Length 436 pages

Edition 1st Edition

Tools

Cisco

Concepts

Networking

Author (1):

Harpreet Singh

View More author details

Table of Contents (19) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Dedication

Preface

1. Network Building Essentials FREE CHAPTER

2. Networks for Digital Enterprises

3. Components of the Enterprise Network

4. Understanding and Configuring Campus Network Technologies

5. Understanding and Configuring Wireless Access Technologies

6. Understanding and Configuring WAN Technologies

7. Understanding and Configuring Data Center Technologies

8. Understanding and Configuring Network Security

9. Understanding and Configuring Quality of Service

10. A Systematic Approach to Network Management

11. Basic Troubleshooting Skills and Techniques

Establishing the normal and detecting deviations

There are two scenarios where a network engineer needs to exercise his troubleshooting skills. One, when there is network degradation or an incident detected through proactive monitoring of the network as defined in the previous chapter, and two, when a user reports an issue leading to reactive troubleshooting.

It is important for the network engineer to know what normal behavior on the network is. This normal or expected behavior is referred to as the baseline and any unexplained significant deviations from this baseline would be considered abnormal behavior and should be investigated.

The network baseline

We discussed the importance of monitoring the network in the previous chapter. Monitoring the network for parameters and trending those parameters over time will what is normal for the network. The important parameters that need to be monitored, among others, are as follows:

Link states of LAN and WAN ports
User port status for the active ports...

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Authors (1)

Harpreet Singh

Harpreet Singh

Harpreet is a professional with 8+ years of experience in the field of Ethical Hacking, Penetration Testing, Vulnerability Research & Red Teaming. He is the author of "Hands-On: Web Penetration Testing with Metasploit" and "Hands-On: Red Team Tactics" published by Packt Publishing. He's also an OSCP, OSWP, CRTP certified professional. Over the years of his experience, Harpreet has acquired the Offensive & Defensive skill set. He is a professional who specializes in Wireless & network exploitation including but not limited to Mobile exploitation, Web Application exploitation and he has also performed few Red Team Engagements in Banks & Financial Groups.

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