Core switches connect distribution switches. In a large, complex network, core switches reduce cabling requirements and the number of switch ports while still allowing all devices to send data to all other devices on the LAN. Usually, small or medium LAN networks do not design. The hierarchy Ethernet network is a three-layer integrated setup of networking devices. The strategic design of a hierarchy network may comprise more than three layers. The term campus LAN refers to a LAN network that spans a single geographic location, such as a building or university campus. An enterprise network is a large network that may contain several campus networks spanning different. A core switch is a high-capacity, high-performance Layer 3 switch positioned at the physical backbone of an enterprise network. Unlike access switches, which connect directly to end-user devices, the core switch focuses on aggregating and routing traffic between other switches, minimizing latency. With the Fortinet solution for integrated networking using FortiLink, the core layer always comprises a set of two to four FortiGate devices and two very high-speed FortiSwitch units, which support a large number of 100-GbE and/or 40-GbE ports with enough capacity to grow the links between them and. What is a core switch, and how does it function? A core switch is a high-capacity network switch that functions as a network's backbone or core layer. It's responsible for accurately routing communication among layers and departments of different sections.