View configuration of fiber optic switch

You can view fiber optic switch configuration and status using specific CLI commands to check port states, optical module diagnostics, VLANs, and fabric settings.Cisco SwitchesFor Cisco MDS Fibre Channel switches, you can use show commands to inspect configuration and operational status:General System Information: show version displays software/hardware versions, uptime, and environmental status.Interface & Port Information: show interface fc1/1 provides operational state, speed, and optical module details such as Tx/Rx power and wavelength.Zoning and VSANs: show vsan and show zone display configured VSANs, zones, and associated ports.Fabric and Name Server: show fspf database or show fcns database lists fabric topology and registered devices.Performance & Traffic: show interface counters or show logging monitors errors, throughput, and events.High Availability: show module and show redundancy check supervisor and line card status.NPIV & NPV Mode: show npiv verifies virtualization settings and connected upstream switches .Extreme SwitchesOn Extreme Networks switches, you can view optical module and port status:Port Status: show port displays link connectivity, negotiation, and flow control.Optical Module Diagnostics (DDM): show media provides real-time temperature, voltage, Tx/Rx optical power, and alarm thresholds.Module Identification: Confirms vendor, part number, serial number, and wavelength to ensure compatibility .Brocade and FICON SwitchesFor Brocade Fibre Channel switches, basic configuration viewing includes:Listing logical switches and ports: switchshow or lsportshowChecking fabric parameters and FICON settings: fabricshowVerifying licenses and feature keys: licenseShowMonitoring port status and BB_Credit settings for FICON operation .Key ConsiderationsEnsure the switch has the correct licenses for Fibre Channel or FCoE features before attempting to view or configure interfaces .Use the appropriate CLI commands for your switch model; Cisco, Brocade, and Extreme switches have different syntax and capabilities.Regularly check optical module diagnostics to prevent link failures due to temperature, voltage, or power issues.For VLAN or fabric configurations, verify that ports are assigned correctly and that zoning or VSAN settings match your network design. By using these commands and monitoring tools, you can effectively view and verify the configuration, operational status, and health of fiber optic switches across different vendors.