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ccna practice labs free download..441 . Cisco Networking Lab CCNA Lab Guide (Release 2).Chapter 21 QoS. 442 .R1 (config-pmap)#exit R1 (config)#interface SerialO/O/O Rl(config-if)#bandwidth 1024 Change the bandwidth of the configured interface to 1 024 kbps R1 (config-if)#service-policy output CBSHAPING// Apply a traffic shaping policy on the interface/[tech tfi essentialsCommand shape {average | peak} C1R {burst-size {excess-burst-size}} The meanings of the parameters are as follows ° average: i.e. CIR, committed information rate, in bps.peak:i.e. CIR+EIR, equal to CIR x (1+Be/Bc ) in bps. CIR:Committed Information Rate in bps. brust-size:i.e. Be, the size of normal burst traffic in bits, default is CIRxl/8. excess-brust-size:i.e. Be, the size of excess burst traffic in bits, default is CIRxl/8. excess-brust-size:i.e. Be, the size of excess burst traffic in bits. The default is CIR x 1/8OPolicy Map CBSHAPING //policy-map name Rl#show policy-map to see the configured policy-mapbandwidth 16 (kbps) for the class fair-queue for the class using WFQ queue schedulingClass MAPI Average Rate Traffic ShapingCIR-based traffic shaping cir640000 (bps) be 8000 (bits) be8000 (bits)The parameters set for traffic shaping: CIR, Be and Be values, note the unit queue-limit 16 packets Queue length Rl#show policy-map interface Serial0/0/0 Serial0/0/0 //service-policy application interface service-policy output: CBSHAPING //service-policy name and application directionclass-map: MAPI (match-any) 1025 packets, 1536900 bytes The number of packets and bytes matching this class of traffic 5 minute offered rate37000 bps, droprate 0000 bps Match: protocol iemp Low match Conditions