Data Link Layer | Layer 2 | The OSI-Model

Oct 03, 2019 Ethernet - Ethernet - Layer 1 and Layer 2 Ethernet operates across two layers of the OSI model. The model provides a reference to which Ethernet can be related but it is actually implemented in the lower half of the Data Link layer, which is known as the Media Access Control (MAC) sublayer, and the Physical layer only. Layer 2, Layer 3 & Layer 4 Switch: What’s the Difference?

The Westermo Lynx L110-F2G is a compact 10 Port Managed Layer 2 Industrial Ethernet Switch equipped with 8 x RJ45 10/100 Mbit/s ports in addition to 2 ports which can be fitted with Gbit or 100 Mbit SFP transceivers.

Ethernet 2 (also known as “Ethernet ii”, “Ethernet Version 2” or “Ethernet 802.3”) is a standard protocol used across all the parts of networking equipment, regardless of the manufacture. It was developed by IEEE. 802.2 vs 802.3 802.3 and 802.2 do not refer directly to physical architectures, but to the format of the layer 2

The OSI model has seven layers: application layer, presentation layer, session layer, transport layer, network layer, data link layer and physical layer, among which data link layer is Layer 2 and network layer is Layer 3. The switches working in these layers are called Layer 2 switch and Layer 3 switch respectively.

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