Cisco IE3000 industrial switch architecture connecting factory floor devices through a three-layer network topology with IT integration. The Cisco ENF1-NS70339 gateway bridges IT and OT networks, routing traffic from the IE3000 switch to upstream IT infrastructure while managing industrial field devices including PLCs, cameras, electric axes, and Ethernet sensors. This architecture demonstrates industrial-grade network segmentation with dedicated access and distribution layers, ensuring deterministic performance and reliability for mission-critical manufacturing operations. Fork this diagram on Diagrams.so to customize device MAC addresses, add redundancy paths, or integrate additional industrial protocols. The SFP uplinks provide fiber connectivity options for harsh factory environments requiring extended cable runs or electromagnetic isolation.