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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:
• OSI Network Model
• IPv4 Datagram Fields
• IPv6 Neighbor Discovery Protocol (NDP)
• Basic TCP/IP Networking
• TCP Windowing
• IPv4 Address Classes
• Network Cabling and Components
• Session Border Controllers - More Than Just a Voice Firewall
• What Is Fabric Networking?
• IP Addressing

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