These switches can be configured with simple VLAN routing protocols and basic SNMP functions, but they have relatively low backplane bandwidth. Core switches typically feature a higher number of ports, often in a modular design, enabling flexible combinations of optical and. A core switch is a high-capacity, high-performance Layer 3 switch positioned at the physical backbone of an enterprise network. Engineered to aggregate massive volumes of data from distribution switches, it provides ultra-low latency and maximum throughput to ensure uninterrupted routing and packet. Ordinary ethernet switches typically have 24-48 ports, mostly Gigabit or Fast Ethernet ports, primarily used for user data access or aggregating data from access-layer switches. This article outlines six foundational concepts every network engineer should grasp to optimize their use of core switches and enhance overall network performance. Its primary role is high-speed aggregation and forwarding of massive data traffic. Positioned at. Also known as switching capacity, it is the maximum amount of data that can be handled between the switch interface processor or interface card and the data bus, just like the sum of the lanes owned by the overpass.