1.Replace the GPBD board but the fault persists. Install the GPBD board to another OLT, the GPBD board runs normally, indicating that this board is normal.
2.Run the display io-packetfile information command to query the IO board package file. It is found that no 10GE parameter in the queried information.
3.Unpack and pack the IO board package file, reserve the 10GE parameter, and load this IO board package file again. This fault is rectified.