Zte ZXR10 8900 Series - Traffic Mirroring; Traffic Statistics; Queue-Based Bandwidth Upper and Lower Threshold; HQoS

Chapter10QoSConguration
�ChangetheCoSqueueofthepacketandchangethe802.1p
value.
�ChangetheCoSqueueofthepacketanddonotchangethe
802.1pvalue.
�ChangetheDSCPvalueofthepacket.
�Changethediscardpriorityofthepacket.
TrafficMirroring
TrafcmirroringisusedtocopyaserviceowmatchingtheACL
ruletotheCPUorspecicporttoanalyzeandmonitorpackets
duringnetworkfaultdiagnosis.
TrafficStatistics
Trafcstatisticsisusedtosumuppacketsofthespecicservice
ow.Thisistounderstandtheactualconditionofthenetwork
andreasonablyallocatenetworkresources.Themaincontentof
trafcstatisticscontainsthenumberofpacketsreceivedfromthe
incomingdirectionoftheport.
Queue-BasedBandwidthUpperand
LowerThreshold
Duetolimitedqueuebufferresources,whennetworkcongestion
occurs,multiplepacketswillcompetetouselimitedresources.
Afterconguringupperandlowerthresholdonoutgoinginter-
faceandwhenmultipleowscompeteforlimitedresources,acos
queueowcanobtainabandwidthwhichwillnotbelessthan
bandwidthlowerthresholdormorethanbandwidthupperthresh-
old.Inthisway,noowcanoccupytheentirebandwidthwhich
makestheotherowsfailtoobtainanybandwidth.
HQoS
HierarchicalQoS(HQoS)istoscheduleandcontroltrafcbycon-
guringnetworktopologyextractedfromactualnetwork,which
ensuresqualityofnetwork.
HQoSFunctionsHQoShasthefollowingfunctions.
�Supportinghierarchicalscheduling
ThemostobviouscharacteristicofHQoSishierarchicalsched-
uling.Itisusedtosimulatecomplexnetworks.
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