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 …
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 …
Data Link Layer Guide: OSI Model Layer 2 Explained - JumpCloud
Aug 4, 2025 · The Data Link Layer is the second layer of the OSI model. It’s responsible for transmitting data frames between directly connected network nodes over a physical link.
Understanding Layers 2 and 3 of the OSI Model - CompTIA
Dec 18, 2024 · The data link layer, or layer 2, is the protocol layer that transfers data between nodes on a network segment across the physical layer, or what is commonly known as a host’s physical address.
Data Link Layer in OSI Model - GeeksforGeeks
Sep 19, 2025 · The data link layer is the second layer from the bottom in the OSI (Open System Interconnection) network architecture model. Responsible for the node-to-node delivery of data …
What is the data link layer in the OSI model? - TechTarget
Mar 31, 2025 · It is Layer 2 in the Open Systems Interconnection (OSI) architecture model, and its main purposes are to facilitate data transfers between network entities and to ensure reliable error-free …
Layer by Layer: The OSI Model: Layer 2 - DEV Community
Mar 20, 2025 · It’s responsible for transferring data between nodes that are on the same logical segment. This means that nodes can communicate using only hardware addresses (Media Access …
What Is a Layer 2 Network? - Data Link Layer Networking - Netmaker
Aug 9, 2024 · A Layer 2 network operates at the Data Link Layer of the OSI model and is responsible for node-to-node data transfer and error detection. It uses switching and bridging technologies to …
Layer 2 Protocols | Types of Network L2 Protocols - ManageEngine
To understand Layer 2 network protocols, we must learn about the Open Systems Interconnection (OSI) model and Layer 2 first. Touted as the data link layer, Layer 2 is the second of the seven-level OSI …
OSI Model - The Lower Layers - Layer 2 - by Chad Teal
Jan 21, 2025 · In this post, I’ll break down Layer 2 of the OSI model, the Data Link Layer. As a WiFi engineer, Layer 2 is where I spend the majority of my time digging into issues.