July 2024
Beginner
608 pages
18h 25m
English
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7 IPv4 addressing
This chapter covers
- The fields of the IPv4 header
- The binary number system
- How to convert between decimal and binary
- The structure of IPv4 addresses
- How to configure IPv4 addresses on Cisco routers
In chapter 6, we focused on Layer 2 of the TCP/IP model: how switches use information in the Ethernet header to make forwarding decisions. In this chapter, we will move up a layer to Layer 3 and look at the contents of the Internet Protocol version 4 (IPv4) header, focusing on IPv4 addressing.
We are now in the realm of routers, rather than switches. Whereas switches use information in the Layer 2 header to decide how to forward messages to their proper destinations, routers use information in the Layer 3 header to make their forwarding ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.