There are some Huawei MSTP equipments issues--the service cannot be revered automatically when the customer fixed the fibers that had been broken. SL64 board of 7500 equipment on Site A report alarm of R_LOF unconventionally, and there were no alarm of 13LSX of 6800 equipment. The service could be recovered when we take the FEC mode of 13LSX to change from AFEC to FEC on site A ,then back to AFEC.The figure below shows the affected line on the network, SL64 board reported “R_LOF”alarm on site SHA.
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