Specifications

CoS Hardware Resource Configuration
May 09, 2011 Page 23 of 38
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System(su)->
ORL Configuration
Outboundratelimiters(ORL)allowyoutoconfigureaporttopreventtheportfromtransmitting
trafficaboveacertainthreshold.Inthi sexample,wearegoingtoconfigureportge.1.22tolimitthe
amountofpacketsittransmitswhenthepacketismarkedasCoSIndex0(802.1priority0)
toa
thresholdof5,000packetspersecond.
TheremainderofthissectiondetailsanORLconfigurationthat:
•Specifiestheportgroup
• Assignsaporttotheportgroup
•MapstheratelimiterdataunitandratetotheORLratelimiter
•MapstheratelimitertotheORLreference
•MapstheORL
referencetotheCoSsetting802.1priority
•EnablesCoS
•Providesrelatedshowcommanddisplays
CoS Port Configuration Layer
FortheCoSportconfiguration layer,usethesetcosport‐configorlcommandtoassign portsto
portgroup1.0fortheORLconfiguration:
System(su)->set cos port-config orl 1.0 ports ge.1.22
CoS Port Resource Layer
FortheCoSportresourcelayer,usethesetcosport‐resourceorlcommandtosetthe
packets‐per‐secondrateto5,000packets,forthisIRLportgroup1.0mappedtoORLresource1:
System(su)->set cos port-resource orl 1.0 1 unit pps rate 5000
CoS Reference Layer
FortheCoSreferencelayer,usingthesetcosreferenceorlcommand,mapORLreference1to
rate‐limit1forportgroup1.0:
System(su)->set cos reference orl 1.0 1 rate-limit 1
CoS Settings Layer
FortheCoSsettingslayer,usingthecossettingscommand,mapORLreference1toCoSsettings1
(802.1priority1):
System(su)->set cos settings 0 orl-reference 1
Enable CoS State
CoSconfigurationmustbeenabledtobecomeactive,usingthesetcosstateenablecommand:
System(su)->set cos state enable