What is another name for a 'multilayer switch'?

A multilayer switch operates at multiple layers of the OSI model, primarily functioning at Layer 2 (the Data Link layer) and Layer 3 (the Network layer). This capability allows it to perform both switching and routing functions.

While it can manage Ethernet frames like a Layer 2 switch, it also has the ability to make routing decisions based on IP addresses, which is why it is also referred to as a Layer 3 switch. This dual capability distinguishes it from standard switches that operate solely at Layer 2, enabling more efficient handling of data traffic in larger networks where routing capabilities are beneficial for performance and scalability.

Thus, calling it a Layer 3 switch accurately reflects its ability to function at Layer 3 in the OSI model, supporting advanced routing protocols alongside traditional switching functionalities.