Complete CCNA Layer 3 switch routing guide: SVIs, ip routing command, inter-VLAN routing vs Router-on-a-Stick, routed ports, static and dynamic routing (OSPF/EIGRP), ASIC hardware forwarding, FHRP gateway redundancy, ACL security, verification commands, and troubleshooting. In this lesson, we examine the network devices that operate at Layer 3 of the OSI model. It makes forwarding decisions based on both MAC addresses (Layer 2) and IP addresses (Layer 3), using dedicated ASIC. 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. Layer 3 switches are advanced networking devices that combine the functions of both traditional switches and routers, offering enhanced capabilities for managing and directing data traffic across different network segments. In simple words, a Layer 3 Switch is a networking device that can perform switching (functions of. In this lesson, we will learn to configure a multilayer switch (also called Layer 3 switch) to perform inter-VLAN routing, which was previously done using an actual router.