A core switch is the backbone of a large-scale network, designed to handle massive volumes of traffic with ultra-low latency and maximum reliability. This help center can answer your questions about customer services, products tech support, network issues. In these switches, the data routed and switched. In the realm of system networking, three key types of switches are frequently mentioned: access switches, aggregation switches, and core switches. The layer that lies between the access layer and the. Its primary function is to rapidly forward data packets between different aggregation switches and, ultimately, to the internet. It's responsible for accurately routing communication among layers and departments of different sections.