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Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

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mls qos srr-queue input b<strong>and</strong>widthChapter 2<strong>Catalyst</strong> <strong>3750</strong>-E <strong>and</strong> <strong>3560</strong>-E <strong>Switch</strong> <strong>Cisco</strong> <strong>IOS</strong> Comm<strong>and</strong>smls qos srr-queue input b<strong>and</strong>widthUse the mls qos srr-queue input b<strong>and</strong>width global configuration comm<strong>and</strong> on the switch stack or ona st<strong>and</strong>alone switch to assign shaped round robin (SRR) weights to an ingress queue. The ratio of theweights is the ratio of the frequency in which the SRR scheduler dequeues packets from each queue. Usethe no form of this comm<strong>and</strong> to return to the default setting.mls qos srr-queue input b<strong>and</strong>width weight1 weight2no mls qos srr-queue input b<strong>and</strong>widthSyntax Descriptionweight1 weight2Ratio of weight1 <strong>and</strong> weight2 determines the ratio of the frequency in which theSRR scheduler dequeues packets from ingress queues 1 <strong>and</strong> 2. The range is 1 to100. Separate each value with a space.DefaultsWeight1 <strong>and</strong> weight2 are 4 (1/2 of the b<strong>and</strong>width is equally shared between the two queues).Comm<strong>and</strong> ModesGlobal configurationComm<strong>and</strong> HistoryRelease12.2(35)SE2ModificationThis comm<strong>and</strong> was introduced.Usage GuidelinesSRR services the priority queue for its configured weight as specified by the b<strong>and</strong>width keyword in themls qos srr-queue input priority-queue queue-id b<strong>and</strong>width weight global configuration comm<strong>and</strong>.Then SRR shares the remaining b<strong>and</strong>width with both ingress queues <strong>and</strong> services them as specified bythe weights configured with the mls qos srr-queue input b<strong>and</strong>width weight1 weight2 globalconfiguration comm<strong>and</strong>.You specify which ingress queue is the priority queue by using the mls qos srr-queue inputpriority-queue global configuration comm<strong>and</strong>.ExamplesThis example shows how to assign the ingress b<strong>and</strong>width for the queues in the stack. Priority queueingis disabled, <strong>and</strong> the shared b<strong>and</strong>width ratio allocated to queue 1 is 25/(25+75) <strong>and</strong> to queue 2 is75/(25+75):<strong>Switch</strong>(config)# mls qos srr-queue input priority-queue 2 b<strong>and</strong>width 0<strong>Switch</strong>(config)# mls qos srr-queue input b<strong>and</strong>width 25 75In this example, queue 2 has three times the b<strong>and</strong>width of queue 1; queue 2 is serviced three times asoften as queue 1.2-370<strong>Catalyst</strong> <strong>3750</strong>-E <strong>and</strong> <strong>3560</strong>-E <strong>Switch</strong> Comm<strong>and</strong> ReferenceOL-9776-08

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