Symptoms

If Switch Port going into a "Laser_Flt" state, verify the error by checking the below outputs.Also, verify if the light levels are out of operating range of the SFP: /fabos/cliexec/sfpshow:=============Slot 10/Port 25:============= RX Power: -25.7 dBm (2.7 uW) TX Power: -inf dBm (0.0 uW) 2024/08/30-14:03:59, [C3-1001], 1726, CHASSIS, ERROR, DS_6505B, S0,P22(Bp22) user_idx:22 [PID 0x1e1600] faulted due to invalid SFP or laser fault. Check if the SFP is valid for the configuration

Cause

Deterioration, damage, or fault occurring to an SFP module.

Resolution

1) Reset the Switch port and check the SFP power level. >Portdisable X [where X is the Port number] >Portenable X 2) If not resolved, replace the Faulty SFP.

Support Cases