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Chapter 7. Quality of Server (QoS)
The queue number (CoS) for which the configuration below applies.
DPL:
The Drop Precedence Level for which the configuration below applies.
Enable:
Controls whether RED is enabled for this entry.
Min:
Controls the lower RED fill level threshold. If the queue filling level is below
this threshold, the drop probability is zero. This value is restricted to 0-100%.
Max:
Controls the upper RED drop probability or fill level threshold for frames
marked with Drop Precedence Level > 0 (yellow frames). This value is
restricted to 1-100%.
Max Unit:
Selects the unit for Max. PossiXBFe values are:
Drop Probability: Max controls the drop probability just below 100% fill level.
Fill Level: Max controls the fill level where drop probability reaches 100%.
RED Drop Probability Function
The following illustration shows the drop probability versus fill level function
with associated parameters.
Min is the fill level where the queue randomly start dropping frames marked
with Drop Precedence Level > 0 (yellow frames).
If Max Unit is 'Drop Probability' (the green line), Max controls the drop
probability when the fill level is just below 100%.
If Max Unit is 'Fill Level' (the red line), Max controls the fill level where drop
probability reaches 100%. This configuration makes it possiXBFe to reserve a
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