Specifications
set port priority-queue
9-6 Port Priority Configuration
Example
Thisexampleshowshowtodisplaypriorityqueueinformationforge.1.1.Inthiscase,frameswith
apriorityof0areassociatedwithtransmitqueue1;frameswith1or2priority,areassociatedwith
transmitqueue0;andsoforth:
C3(su)->show port priority-queue ge.1.1
Port P0 P1 P2 P3 P4 P5 P6 P7
--------- -- -- -- -- -- -- -- --
ge.1.1 1 0 0 2 3 4 5 5
set port priority-queue
Usethiscommandtomap802.1D(802.1p)prioritiestotransmitqueues.Thisenablesyouto
changethetransmitqueue(0to5,with0beingthelowestpriorityqueue)foreachportpriorityof
theselectedport.Youcanapplythe newsettingstooneormoreports.
Syntax
set port priority-queue port-string priority queue
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
Usage
Althoughthereareeightqueuesimplementedintheswitchhardware,onlysixareavailablefor
useinprioritizingvariousdataandcontroltraffic.The7thand8thqueuesarereservedfor
stackingandnetworkcontrol‐relatedcommunications.Referto“ConfiguringQualityofService
(QoS)”onpage 9‐8formoreinformation
aboutconfiguringtheprioritymodeandweightforthese
queues.
PrioritytotransmitqueuemappingonanindividualportbasiscanonlybeconfiguredonGigabit
Ethernetports(ge.x.x).Whenyouusethesetportpriority‐queuecommandtoconfigureaFast
Ethernetport(fe.x.x),themappingvaluesareappliedglobally
toallFastEthernetportsonthe
stack.
port‐string Specifiestheport(s)forwhichtosetpriority‐to‐queuemappings.Fora
detaileddescriptionofpossibleport‐stringvalues,referto“PortString
SyntaxUsedintheCLI”onpage 4‐1.
priority Specifiesavalueof0through7 (0
isthelowestlevel)thatdetermines
whatpriorityframeswillbetransmittedonthetransmitqueueenteredin
thiscommand.
queue Specifiesavalueof0through5(0isthelowestlevel)thatdeterminesthe
queueonwhichtotransmittheframeswiththeportpriorityenteredin
thiscommand.