1. Check the optical power, and find that the optical power is proper. After the fiber is replaced, the problem persists.
2. Check the data configuration and use other switches for testing. In this case, the communication is normal. This indicates that the configuration is correct.
3. Check the device status carefully, and find that the MAC addresses of the two S9306s are the same.
Restore the factory default setting of the MAC address through the command and restart the S9306. The problem is solved.
Enter system view, return user view with Ctrl+Z.
Now you enter a hidden command view for developer’s testing, some commands may affect operation by wrong use, please carefully use it with HUAWEI engineer’s direction.
The public mac-address restore pass.
The slave public mac-address restore pass.