So here are the sequence layers seen in Wireshark Data Link Layer In some cases, capturing adapter provides some physical layer information and can be displayed through Wireshark. The interesting part is all protocol does not have all the layers.Īs Wireshark decodes packets at Data Link layer so we will not get physical layer information always. We will take some protocols as example and understand the layers through Wireshark. Let’s look into Wireshark capture and understand better. Now we understand that the above layers are not exactly OSI or TCP/IP but a combination of both models. Now the question comes, in Wireshark what model we should be expecting?Īctually in Wireshark we observe below layers Application Layer Here are the 4 layers according to TCP/IP model: Application Layer īelow is the relation between OSI model and TCP/IP model. There is another network model which is TCP/IP. Here are the 7 layers according to OSI model: Application Layer We all know that OSI (Open Systems Interconnection) is a reference model for how applications communicate over a network.
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