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How are network switches classified? What are the types of network switches?

A network switch is a data link layer device that enables multiple physical LAN segments to be connected to a large network for bandwidth exclusive functions. There are many switch products in the market, which can be classified according to the network coverage, different transmission media and transmission speed, application network level, port structure, working protocol layer, etc. Let's get to know more about network switches in detail.



  1.According to the network coverage

  According to the network coverage, it can be divided into LAN switch and WAN switch. WAN switches are mainly used in telecommunication MAN Internet. In the WAN of Internet access and other fields. LAN switches are used to connect terminal devices.

  2. According to transmission medium and transmission speed

  According to the transmission medium and transmission speed, they can be divided into Ethernet switches. Fast Ethernet switch. Gigabit Ethernet switch. Ten Gigabit Ethernet switch, ATM switch, FDDI switch and token ring switch.

  3. According to the switch application network level

  According to the application network level of switches, they can be divided into enterprise switches. Campus network switches. Departmental switches and workgroup switches. Table switches.

  4.According to switch port structure

  According to the network switch ports can be divided into fixed port switches and modular switches.

  5. According to the working protocol layer

  According to the working protocol layer can be divided into layer 2 switch. Layer 3 switches and Layer 4 switches. Layer 2 switches correspond to the OSI/RM second protocol layer definition, Layer 3 switches correspond to the OSI/RM definition of the third layer of the open system model, and Layer 4 switches are based on the TCP/UDP (layer 4) application port number definition.

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