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As network switch evolves, there emerge various switches from different vendors, working in conditions, equipped with different functions. However, the network switches remain essentially the same despite all apparent changes. So, the following part presents the switches definition and the frequently asked question: what does a network switch do. Purpose and Functions of a Network Switch A network switch is a small hardware device that centralizes communications among various linked devices in one local area network (LAN). The fundamental function of a network switch is to exchange data packages among network devices, that is to say, the network switch gets data from any source associated with it and dispatches that data to the appropriate destination. Here take the comparison among router, hub and switch to explain what a network switch can do for our networks. Providing More Ethernet Ports As for network switch vs. router, network switch differs from router in the port numb

The hierarchical internetworking model defined by Cisco includes core layer, distribution layer and access layer. Therefore, the network switches working in these layers get corresponding names like core switch, distribution switch and access switch. This post mainly explores the confusing problem: core switch vs distribution switch vs access switch. Definition: Core Switch Vs Distribution Switch Vs Access Switch What Is Core Switch? Core switch is not a certain kind of network switch. It refers to the data switch that is positioned at the backbone or physical core of a network. Therefore, it must be a high-capacity switch so as to serve as the gateway to a wide area network (WAN) or the Internet. In a word, it provides the final aggregation point for the network and allows various aggregation modules to work together. What Is Distribution Switch？ Similarly, the distribution switch lies in distribution layer, and it links upwards to layer core switch and downwards to the

Have you ever noticed the ports on your gigabit PoE switch or other network switches? They may come in different port types and work on different switch port modes. The switch ports number varies from different network switches and port type can be configured according to specific needs. Then how many ports on a switch? What are the common switch port types? How Many Ports Does a Network Switch Have? Generally, I’d like to assort the ports on the switch into the ones that enable others to work and the ones to realize its own operation. The former may be classified into different types of ports based on their port speeds as shown in the following diagram, and the latter is referred to the console port. Almost every switch has a console port used to connect to the computer and manage the switch as the switch has no display component. Here takes FS gigabit switch, 10GB Ethernet switch and 40G/100G Ethernet switches as examples to show the switch port types and numbers that a netw

Network switch and router are the commonly used devices in a network. With each carrying out its own duties accordingly, you can surf on the internet freely with your smart phone or computer. How to setup a network switch and router? Should the network switch be installed before router or after router is puzzling for many network newbies. What Is Network Switch and Router? To get clear about how to connect wireless router to switch, this part will state the function of network switch and router first. What is a switch in networking? A network switch is used to connect multiple devices such as computers, printers, IP camera and modem on the same network within a building. In this way, these devices can share information and communicate with each other. What is a router in networking? A router is sometimes connected to a modem at one side and many other devices on the other side. Because the modem will only talk to the first computer that talks to it, the router at the position s