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LAN Switches
LAN switches are network devices that are used to connect devices on a local area network (LAN). They operate at the data link layer (layer 2) of the OSI model and are designed to forward and filter Ethernet frames between network devices based on their Media Access Control (MAC) addresses.
LAN switches use Application-Specific Integrated Circuits (ASICs) to perform the forwarding and filtering of frames. ASICs provide high-speed switching and enable LAN switches to handle high traffic loads without causing congestion. They also enable switches to support features such as Quality of Service (QoS), virtual LANs (VLANs), and access control lists (ACLs).
Some of the key benefits of using LAN switches include:
Increased network performance: LAN switches can significantly improve network performance by providing dedicated bandwidth to each connected device and eliminating collisions.
Reduced network congestion: LAN switches can help reduce network congestion by filtering and forwarding frames only to the destination device, reducing the amount of broadcast traffic on the network.
Improved network security: LAN switches can improve network security by providing features such as VLANs and ACLs, which can be used to isolate and secure network traffic.
Simplified network management: LAN switches can simplify network management by providing features such as remote management, monitoring, and diagnostics.
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