View port configuration of fiber optic switch
In the Privileged EXEC mode of the switch, use the show fiber-ports-optical-transceiver command by entering the following: interface interface-id — (Optional) Specify an Ethernet port ID. 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. This guide uses the Moduletek SFP-25G-SR optical module connected to a Cisco C9300 switch as an example. You can obtain the list of compatible transceivers by visiting the Cisco Optics-to-Device Compatibility Matrix or run the show interface show interface transceiver supported-list command.
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