Understanding encapsulation

- Let's look at the encapsulation process…and how the layers look in Wireshark.…In this concept, we're going to be talking…about the OSI Model layers,…the appropriate Protocol Data Unit, and the addressing.…Layers in the OSI Model are represented…in many different ways that you might be familiar of.…For example, in the…Local Areas Connections Properties dialog box,…you can see the OSI Model at work.…When you take a look at the network interface card itself,…there's where you'll see the Physical and Data Link.…

When you look at your bindings…for Client for Microsoft Networks…and File and Printer Sharing,…that is the Application Presentation and Session layers.…And when we look at the Internet Protocol,…or TCP/IP suite, this is where you see…the Network and Transport layers.…When we understand how encapsulation works,…as data travels down the OSI Model,…it readies it in proper frame formation.…A standard frame has the following elements.…We have the Frame header, which includes…the source and destination MAC address,…