Clean fiber end-faces, reseat module, verify port is enabled, try a known-good module. Thoroughly clean all connections, inspect. If not, replace it with a Huawei-certified optical module. If the optical module is installed on a GE port, run the display interface GigabitEthernet x/x/x command to check information about the port, including the rate and wavelength. FCS and CRC errors occur on the port. Port not UP Taking 10G SFP+/XFP optical module as an example, when the optical port of the optical module can not be UP when interconnecting with other devices, it can be troubleshooted from the following five. Based on typical issues encountered with optical modules in daily switch applications, this document summarizes basic troubleshooting steps for resolving common faults: 1.
[PDF Version]