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Introduction to Networks Companion Guide (CCNAv7)
book

Introduction to Networks Companion Guide (CCNAv7)

by Cisco Networking Academy
July 2020
Beginner content levelBeginner
736 pages
20h 8m
English
Cisco Press
Content preview from Introduction to Networks Companion Guide (CCNAv7)

Chapter 13

ICMP

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

  • How is ICMP used to test network connectivity?

  • How do you use the ping and traceroute utilities to test network connectivity?

Introduction (13.0)

Imagine that you have an intricate model train set. Your tracks and trains are all connected and powered up and ready to go. You throw the switch. The train goes halfway around the track and stops. You know right away that the problem is most likely located where the train has stopped, so you look there first. It is not as easy to visualize problems with a network. Fortunately, there are tools to help you locate problem areas in a network—and they work with both IPv4 and IPv6 networks! ...

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Publisher Resources

ISBN: 9780136633679