Layer 2 switches forward traffic within the same local network and use features such as VLANs to segment devices, while routing between VLANs typically relies on a separate router. L3 gigabit switches add Layer 3 routing, including static and inter-VLAN routing, so they can route traffic locally and support more efficient segmentation in complex networks.

Choose a port count that covers current endpoints, expected expansion, and rack layout, then match uplink speeds to inter-switch connections, media distribution, and network traffic, with options including 1 Gbps, 2.5 Gbps, and 10 Gbps SFP+ connections. Select non-PoE, partial PoE+, or full PoE and PoE++ capabilities based on the number and power needs of connected access points, cameras, phones, and other devices.

L3 Gigabit switches support video-over-IP with VLANs, IGMP, and multicast routing features such as PIM, while Layer 3 routing can help direct traffic locally between network segments. Models with Power over Ethernet (PoE), 2.5 Gbps ports, and SFP+ uplinks can support connected access points, audio-over-IP platforms, and high-bandwidth wireless deployments, depending on the system requirements.

Before deploying L3 gigabit switches, review the required port count, uplink capacity, VLAN and inter-VLAN routing plan, PoE power budget, and whether connected devices need Gigabit, 2.5G, or fiber links. Confirm rack space, rear-port access, cooling, cabling, compatible SFP modules, and management requirements, including remote monitoring and switch configuration.