Specifications

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4.8.1 QoSSetting
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QueueScheduling
YoucanselecttheQueueSchedulingruleasfollows:
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Usean8,4,2,1weightedfairqueuingscheme.ThisisalsoknownasWRR
(WeightRoundRobin).PMIwillfollow8:4:2:1ratetoprocessthepacketsina
queuefromthehighestprioritytothelowest.Forexample,thesystemwill
process8packetswiththehighestpriorityinthequeue,4withmiddlepriority,2
withlowpriority,and1withthelowestpriorityatthesametime.
Useastrictpriorityscheme.Packetswithhigherpriorityinthequeuewillalways
beprocessedfirst,exceptthatthereisnopacketwithhigherpriority.
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PortSetting
CoScolumnistoindicatedefaultportpriorityvalueforuntaggedor
priority‐taggedframes.WhenPMIreceivestheframes,PMIwillattachthevalue
totheCoSfieldoftheincomingVLAN‐taggedpackets.Youcanenable
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