23Non-H3C transceiver module error messageSymptomThe output from the display logbuffer command shows that the transceiver module is not an H3Ctransceiver module. display logbufferFortyGigE1/0/5: This transceiver is NOT sold by H3C. H3C therefore shall NOT guaranteethe normal function of the device or assume the maintenance responsibility thereof!Troubleshooting flowchartFigure 10 Troubleshooting non-H3C transceiver module error messageSolutionTo resolve the problem:1. Verify that the transceiver module is an H3C transceiver module:Execute the display transceiver interface command to view the vendor name of thetransceiver module.[Sysname] display transceiver interface fortygige 1/0/1FortyGigE 1/0/1 transceiver information:Transceiver Type : 40G_BASE_LR4_QSFP_PLUSConnector Type : LCWavelength(nm) : 1301Transfer Distance(km) : 10(SMF)Digital Diagnostic Monitoring : YESVendor Name : H3COrdering Name : QSFP-40G-LR4-WDM1300{ If the vendor name field does not display H3C, replace the transceiver module with an H3Ctransceiver module.{ If the vendor name field displays H3C, perform the following tasks:− Execute the display hardware internal transceiver register interface command inprobe view to save the transceiver module information.Is the vendor name H3C?H3C transceiver module?Replace it with an H3Ctransceiver moduleReplace it with an H3Ctransceiver moduleNoYes NoYesNo YesYes NoResolved?Contact the supportNon-H3C transceiver modulereported in system logsEndResolved?