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  2. Network switch - Wikipedia

    en.wikipedia.org/wiki/Network_switch

    A device capable of more than bridging is known as a multilayer switch. A layer 2 network device is a multiport device that uses hardware addresses (MAC addresses) to process and forward data at the data link layer (layer 2). A switch operating as a network bridge may interconnect otherwise separate layer 2 networks.

  3. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    A typical home or small office router showing the ADSL telephone line and Ethernet network cable connections. A router is an internetworking device that forwards packets between networks by processing the addressing or routing information included in the packet. The routing information is often processed in conjunction with the routing table. A ...

  4. Multilayer switch - Wikipedia

    en.wikipedia.org/wiki/Multilayer_switch

    The difference between a layer-3 switch and a router is the way the device is making the routing decision. Conventionally, routers use microprocessors to make forwarding decisions in software, while the switch performs only hardware-based packet switching (by specialized ASICs with the help of content-addressable memory).

  5. Networking hardware - Wikipedia

    en.wikipedia.org/wiki/Networking_hardware

    Multilayer switch: a switch that, in addition to switching on OSI layer 2, provides functionality at higher protocol layers. Protocol converter: a hardware device that converts between two different types of transmission, for interoperation. [9] Bridge router (brouter): a device that works as a bridge and as a router. The brouter routes packets ...

  6. Ethernet - Wikipedia

    en.wikipedia.org/wiki/Ethernet

    Many early researchers failed to understand these results. Performance on real networks is significantly better. [39] In a modern Ethernet, the stations do not all share one channel through a shared cable or a simple repeater hub; instead, each station communicates with a switch, which in turn forwards that traffic to the destination station ...

  7. Router (computing) - Wikipedia

    en.wikipedia.org/wiki/Router_(computing)

    A router in a local area network (LAN) of a single organization is called an interior router. A router that is operated in the Internet backbone is described as exterior router. While a router that connects a LAN with the Internet or a wide area network (WAN) is called a border router, or gateway router. [24]

  8. Ethernet hub - Wikipedia

    en.wikipedia.org/wiki/Ethernet_hub

    Historically, the main reason for purchasing hubs rather than switches was their price. By the early 2000s, there was little price difference between a hub and a low-end switch. [11] Hubs can still be useful in special circumstances: For inserting a protocol analyzer into a network connection, a hub is an alternative to a network tap or port ...

  9. Forwarding information base - Wikipedia

    en.wikipedia.org/wiki/Forwarding_information_base

    The role of an Ethernet switch is to forward Ethernet frames from one port to another. The presence of a FIB is one attribute that separates a switch from a hub. Without a functional FIB, all frames received by a network switch would be echoed back out to all other ports, much like an Ethernet hub.

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