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Enterasys Networks XSR CLI Router User Manual

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Policy-Map Commands

12-88 Configuring Quality of Service

Syntax of the “no” Form

Thenoformofthiscommandremovesaclassfromthepolicymap:

no class {class-name}

Mode

Policy‐Mapconfiguration:XSR(config-pmap<xx>)#

Next Mode

Policy‐MapClassconfiguration:XSR(config-pmap-c<xx>)#

Example

Thisexamplecreatesclass1withaminimumof20percentintheeventofcongestion,andthe

queuereservedforthisclasscanenqueue40packetsbeforetaildropisenactedtohandle

additionalpackets.

XSR(config)#policy-map policy1

XSR(config-pmap-policy1>)#class class1

XSR(config-pmap-c<class1>)#bandwidth percent 20

XSR(config-pmap-c<class1>)#queue-limit 40

Thesecommandscreateclass2withaminimumof3000kbpsofbandwidthforthisclassinthe

eventofcongestion.REDdropsuptooneoutofthreepacketswhentheaveragequeuesize

becomesbiggerthan34anddropseachpacketifitbecomesbiggerthan57.REDpacket

dropis

usedforcongestionavoidance.

XSR(config-pmap<policy1>)#class class2

XSR(config-pmap-c<class2>)#bandwidth 3000

XSR(config-pmap-c<class2>)#random-detect 34 57 3

Thesecommandsconfigurethedefaultmapclasswhereamaximumof20packetsperqueueare

enqueuedbeforetaildropisenforcedtohandleadditionalpackets.

XSR(config-pmap<policy1>)#class class-default

XSR(config-pmap-c<class-default>)#queue-limit 20

clear policy-map

ThiscommandremovesPolicyMapstatisticsforspecifiedinterfaces.

Syntax

clear policy-map interface type number

Mode

EXEC: XSR> or XSR(config)#

type

XSRinterfacetype:BRI,Dialer,Fast/GigabitEthernet,Loopback,Multilink,and

Serial.

number

Card,port,channel,andsub‐interfacenumber.

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