Layer 2

What is Layer 2?

itMyt Explains Layer 2:

Layer 2 refers to the second layer of the Open Systems Interconnection (OSI) Model, that is the inFormation link layer.

Layer 2 is wherein Records Packets are Encoded and deCoded into real bits. It is the Protocol layer that allows the transfer of statistics among adJoining Network Nodes in a network section, such as a local or huge area network.

What Does Layer 2 Mean?

Layer 2 offers the procedural and purposeful means for information transfer between network nodes and gives the approach to locate and accurate errors which could occur at the Physical Layer (Layer 1).

Ethernet, that's used for multi-node nearby viciNity networks (LAN), is the Exceptional Instance of the records link layer protocol. Other protocols consist of Point-to-Point Protocol (PPP), High-Level Data Link Control (HDLC) and Advanced Data Communication Control Procedures (ADCCP) for dual-node connections.

Layer 2 is specially involved with the nearby transport of information Frames among network gadgets on the identical commUnity or LAN, basically bringing transmission protocol know-how into the sySTEM, handling bodily layer errors and fostering drift manipulate and body Synchronization. It has sublayers – logical link manage (LLC) and Media get admission to manage (MAC).

Major Layer 2 offerings include:

• Encapsulation of information packets into frames
• Frame Synchronization
• Error and flow manage via the LLC sublayer
• Physical or MAC addressing
• Packet or LAN Switching
• Data Packet Scheduling
• Virtual LANs

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