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Cisco Bug: CSCvt42479 - Q-MARGIN value is not set to default on LOS

Last Modified

Jun 16, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)


Having a LOS on a ntwrk lane , Q-margin and Q-factor are not set to -5db and 0db respectively.

When the ntwrk lane has DeMOD lock but the OSNR is well below the FEC threshold, this cause high BER.
In this conditions Enhanced Qmargin will read wrong values.
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