Specifications

CoS Hardware Resource Configuration
May 09, 2011 Page 19 of 38
2.0 3 txq perc none tail-drop
2.0 4 txq perc none tail-drop
2.0 5 txq perc none tail-drop
2.0 6 txq perc none tail-drop
2.0 7 txq perc none tail-drop
2.0 8 txq perc 50 tail-drop
2.0 9 txq perc none tail-drop
2.0 10 txq perc none tail-drop
Theport‐configdisplayforportgroup2.0showsthatallqueuesarerunninginthedefaultstrict
prioritymode(highestnon‐LLQsetto100).Usetheshowcosport‐configtxqcommandtodisplay
theport‐configsettingsportgroup2.0:
System(su)->show cos port-config txq 2.0
* Percentage/queue (if any) are approximations based on
[(slices/queue) / total number of slices]
Transmit Queue Port Configuration Entries
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Port Group Name :txqRateShaper
Port Group :2
Port Type :0
Assigned Ports :ge.2.17
Arbiter Mode :Low Latency Queue
Slices/queue :Q [ 0]: LLQ Q [ 1]: 0 Q [ 2]: 0 Q [ 3]: 0
:Q [ 4]: 0 Q [ 5]: 0 Q [ 6]: 0 Q [ 7]: 0
:Q [ 8]: 100 Q [ 9]: LLQ Q [10]: LLQ
Percentage/queue :Q [ 0]: LLQ Q [ 1]: 0% Q [ 2]: 0% Q [ 3]: 0%
:Q [ 4]: 0% Q [ 5]: 0% Q [ 6]: 0% Q [ 7]: 0%
:Q [ 8]: 100% Q [ 9]: LLQ Q [10]: LLQ
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IRL Configuration
Inboundratelimiters(IRL)allowyoutoconfigureaporttopreventtheportfromprocessing
trafficaboveacertainthreshold.Inthisexample,wearegoingtoconfigureportgroup1.0,ports
ge.1.3,ge.1.5andge.1.22,todiscardpacketsitreceiveswhenthepacketmapstoCoSIndex
1
(802.1priority1)andthethresholdgoesabove10,000packetspersecond.
TheremainderofthissectiondetailsanIRLconfigurationthat:
•Specifiestheportgroup
• Assignsportstotheportgroup
•MapstheratelimiterdataunitandratetotheIRLratelimiter
•MapstheratelimitertotheIRL
reference