In modern computer networks, core switches and ordinary switches are two key network devices, which have significant differences in network architecture and functionality. Understanding these differences and the importance of core switches is critical to building an efficient and reliable network.

Layer 3 switches play a crucial role in enterprise networks, connecting different subnets and providing routing capabilities. Cisco, a leader in networking equipment, has introduced several series of Layer 3 switches, each with unique features and benefits. This article will explore the differences between several Cisco Layer 3 switch series to help network administrators choose the best solution for their network needs.