Switcher-professional switch product provider
A switch is a device used to forward packets of data in a computer network. common classifications include switches, routers, and bridges. switches forward data packets according to mac addresses, which can be subdivided into ordinary switches, three-layer switches and four-layer switches; routers forward data packets according to ip addresses, which can be divided into enterprise-level routers and home routers; bridges forward frames, which can be divided into lan bridge and wireless bridge. these devices play an important role in the network, improving the performance and security of the network.