The core function of an Ethernet switch is to provide multiple ports of layer-2 bridging. A device capable of more than bridging is known as a. An access switch serves as an interface for end-user devices to connect to the network, providing essential data transmission services. Access switches are known for their low costs and high port density, making them ideal for various application scenarios, such as offices, small equipment rooms. A network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer (layer 2) of the OSI model. This section explains stacking and its related concepts, identification methods, and the benefits of managing multiple switches as a single. Switches are key building blocks for any network.
