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  1. www.freecodecamp.org › news › osi-model-networkingThe OSI Model – The 7 Layers of Networking Explained in Plain ...

    Dec 21, 2020 · OSI Layer 2. Layer 2 is the data link layer. Layer 2 defines how data is formatted for transmission, how much data can flow between nodes, for how long, and what to do when errors are detected in this flow. In more official tech terms: Line discipline. Who should talk for how long? How long should nodes be able to transit information for? Flow ...

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  3. osi-model.com › data-link-layerData 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 network (WAN) or between nodes on the same local area network (LAN) segment.[1]

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  5. www.howtonetwork.org › design › ccdaNetwork Fundamentals – Layer 2 Technologies

    Layer 2 addresses are also called MAC addresses, physical addresses, or burned-in addresses (BIA). These are assigned to network cards or device interfaces when they are manufactured. MAC addresses (Figure 1.15) have a value of 48 bits.

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  6. www.alliedtelesis.com › us › enWhat does Layer 2 and Layer 3 Networking Mean? - Allied Telesis

    Flow Control: Layer 2 manages the flow of data between devices by controlling the rate at which frames are sent and received. This prevents slower devices from being overwhelmed by faster devices on the network. Layer 3: The Network Layer – logical addressing.

  7. www.globalknowledge.com › layer-2-device-overviewWhat is a Layer 2 Device? - Global Knowledge

    A layer 2 device is a device that makes a forwarding decision on a physical address. Most commonly, you’ll find a bridge or a switch and the address they use is a MAC address. When a frame arrives at the device, it first takes the source address and places it in the MAC address table for 300 seconds (or five minutes).

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  8. www.opentechguides.com › lan › 3Layer 2 Devices Tutorial - Open Tech Guides

    May 7, 2013 · Layer 2 devices are concerned with reliable error free transmission and reception of frames. They have a MAC address which is either built-in to the hardware or configured. Frames carry source and destination MAC addresses. Examples of Layer 2 devices are Bridges, Switches and Wireless Access Points.

  9. www.howtogeek.com › devops › the-7-osi-networkingThe 7 OSI Networking Layers Explained - How-To Geek

    Sep 27, 2022 · The model's second layer concerns communication between two devices that are directly connected to each other in the same network. It's responsible for establishing a link that allows data to be exchanged using an agreed protocol.

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