L2 switching
**L2 switching**
What is L2 switching?
L2 switching, also known as Layer 2 switching or data link layer switching, forwards network traffic based on the destination MAC address. It operates at the Data Link Layer (Layer 2) of the OSI model. L2 switches learn MAC addresses by examining the source MAC address of incoming frames and store them in a MAC address table. When a frame arrives, the switch looks up the destination MAC address in the table and forwards the frame only to the port associated with that MAC address, improving network efficiency and security. L2 switching is commonly used in local area networks (LANs) to connect devices within the same network.
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