SWITCHING definition: 1. present participle of switch 2. to use a switch to change a device from one state or type of…. Learn more. Switching in IT and computer networking is the transfer of data packets, or blocks of data, through a network switch. Switches are key network building blocks. Learn how does a switch work to securely connect your small business to the rest of the world and connect your devices. Network switch Avaya ERS 2550T-PWR, a 50-port Ethernet switch A network switch (also called switching hub, bridging hub, Ethernet switch, and—by the IEEE — MAC bridge[1]) is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device. switching, in communications, equipment and techniques for enabling any station in a communications system to be connected with any other station. Switching is an essential component of telephone, telegraph, data-processing, and other technologies in which it is necessary to deal rapidly with large amounts of information. The meaning of SWITCH is a slender flexible whip, rod, or twig. How to use switch in a sentence. Switching is a technique for establishing communication paths and transferring data between devices in a computer network. It enables efficient data transmission by creating temporary or permanent connections between sender and receiver nodes. Switching Basics Ethernet is the dominant protocol in our LANs. A switch learns MAC addresses from the source address of each frame, and floods frames when it doesn’t know the destination yet. You can add a static entry to the MAC address table yourself, and asymmetric routing can cause a switch to keep flooding unicast frames. This page provides an overview of all routing & switching courses and lessons we offer here on Networklessons.com with an explanation. Switching is the process of transferring data from one device to another within the same network or across different networks using switches. It mainly occurs at the Data Link Layer (Layer 2) of the OSI model, where data is forwarded in the form of frames based on MAC addresses. A switch connects multiple devices within a network.