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Computer Network Switches

Switch

A bridge or router may be referred to as a "switch" because it uses information in the data packet to choose a path from one network segment to another. A bridge may be referred to as a "layer 2 switch" because it uses information from layer 2, the Data Link layer of the OSI model. A router may be referred to as a "layer 3 switch" because it uses information from layer 3, the Network layer of the OSI model. A network device that uses a higher layer of the OSI model may be referred to as a "layer 4 switch", and so on.

More Networking Protocols and Standards:
• IP version 6 (IPv6) Advantages and Implementation
• Understanding IP Routing
• Ports and Sockets
• Basic TCP/IP Networking
• OSI Transport Layer
• Free eBook: Introduction to 802.11 Wireless
• The TCP/IP protocol Datagram Format
• Neighbor Discovery Protocol (NDP)
• RADIUS Protocol
• Comparison of the Layers of the OSI and TCP/IP Models

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