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Interfaces

  • Support optics pre-forward error correction (pre-FEC) bit error rate (BER) (QFX5220, QFX5230-64CD, QFX5240-64OD, and QFX5240-64QD)—Pre-FEC BER provides an insight into the link quality. Pre-FEC BER and histogram can be used to forecast the link quality. This feature is enabled by default.

  • Support to display FEC histogram and statistics (QFX5230-64CD, QFX5240-64OD, and QFX5240-64QD)—The show interfaces interface-name command has been enhanced to display FEC corrected and un-corrected code words counters, pre-FEC BER, and FEC histogram.