Windows Networking Tools

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LAYERS 2 AND 3 AND THE INTERNET PROTOCOL

Another advantage is that 10GBASE-T uses the RJ45 connector, which

is in wide use with other types of copper-based Ethernet.

Now that we have an overview of the structure of Ethernet, let’s

probe deeper and examine the composition of the two IP headers and

IP addressing.

3.5 e IPv4 Header

As noted at the beginning of this chapter, the current version of the

Internet Protocol is version 4. us we will commence our exami-

nation of the network layer of the TCP/IP protocol suite by turn-

ing our attention to the IPv4 header, to include becoming familiar

with IPv4 addressing. e fields in the IPv4 header a