In modern Ethernet switching equipment, the switching chip serves as the core processing unit, directly determining the device's performance ceiling (throughput, latency, port speed) and feature support (protocol processing, virtualization, security, etc. To meet the challenges of high-speed data transmission, switch chip technology continues to evolve. This article will briefly introduce the basic concepts of switch chips, the mainstream. These dynamics are behind the introduction of high-density 100G Ethernet switch chips, which also serve the new 25G and 50G Ethernet standards. The same operators also have a huge appetite for data-center interconnect (DCI) bandwidth, creating early demand for 400G Ethernet. With the rapid development of the Internet and network devices, these chips play a vital role in various networking equipment, including home. What Is a Core Switch in Networking? - AEANET What Is a Core Switch in Networking? What Is a Core Switch in Networking? Understanding the Backbone of Your Network What's the difference between a core switch and an access switch? Does every network need a core switch? Can a router be used instead of. A network switch connects multiple devices within a local area network (LAN) and directs data packets only to their intended destination. In large organizations, networks become complex, exchanging massive amounts of data. The core switch is the most important piece of hardware in this.