Data link layer - Wikipedia
The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers data between nodes on a network segment across the …
L1, L2 vs L3: What’s the Difference? - CBT Nuggets
Feb 23, 2024 · Layer 2 is where many students get hung up when learning networking basics. Most people understand that MAC addresses exist at Layer 2, but other than that, why does this layer …
Data Link Layer | Layer 2 | The OSI-Model
The data link layer or layer 2 is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers data between adjacent network nodes in a wide area …
Layer 2 vs Layer 3 Switch: What's the Difference? | Auvik
Oct 23, 2024 · Layer 2 of the OSI model is known as the data link layer. The Layer 2 protocol you’re likely most familiar with is Ethernet. Devices in an Ethernet network are identified by a MAC (media …
Difference between layer-2 and layer-3 switches - GeeksforGeeks
Jul 11, 2025 · What is a Layer-2 Switch? A Layer-2 switch works at the Data Link layer or Layer 2 of the OSI reference model. It especially utilizes MAC addresses to direct information packets between …
Understanding Layer 2 Networking: Principles and Impact
Understanding Layer 2 is essential for anyone delving into the intricacies of network communications. This layer, often referred to as the data link layer, serves as a bridge between the physical layer and …
Data Link Layer Guide: OSI Model Layer 2 Explained - JumpCloud
Aug 4, 2025 · Master the Data Link Layer of the OSI model. Learn framing, MAC addressing, error detection, and Layer 2 protocols for reliable network communication.
What Is a Layer 2 Network? - Data Link Layer Networking - Netmaker
Aug 9, 2024 · Learn what a layer 2 network is, how it works, and its main components and protocols in this data link layer networking guide.
What is the data link layer in the OSI model? - TechTarget
Mar 31, 2025 · What is the data link layer in the OSI model? The data link layer is the protocol layer in a program that handles how data moves in and out of a physical link in a network.
Layer 2 Protocols Ultimate Guide for 2024 - Comparitech
Dec 2, 2024 · Layer 2 protocols, such as Ethernet, VLANs, and Spanning Tree Protocol (STP), ensure reliable data transmission, prevent loops, and manage traffic within local area networks (LANs). This …