Plug the SFP module into the SFP port on your Gigabit switch. Make sure it clicks into place. Attach the appropriate cable (fiber optic or copper) to the SFP module. If you're looking to learn how to configure fiber optics on a Cisco switch, it's important to first configure the switch settings so it's ready for fiber optics. Supported speeds can be verified with the show interface <interface-id> capabilities command. The speed and duplex setting for multigigabit links is considered best practice, and in some scenarios. Cisco switch ports are categorized by their physical hardware interfaces (such as RJ45 copper, fiber-optic SFP uplinks, and console ports), their bandwidth speed capacities (Gigabit, 10G, 100G), and their logical operating modes. A switchport can be configured logically as an access port for a. As network speeds continue to advance from 1 Gb and beyond, connecting network switches via copper limits data speed and the ability to upgrade in the future. Other than entry level network switches, most of today's network switches include one or more GiBC (Gigabit Converter) or SFP (Small. When you're setting up a network or upgrading your infrastructure, you might come across something called an “SFP port” on a Gigabit switch.