MX CoS CapabilitiesPort Versus Hierarchical Queuing MPCsCoS Capabilities and ScaleTrio CoS FlowIntelligent OversubscriptionThe Remaining CoS Packet FlowCoS Processing: Port- and Queue-Based MPCsKey Aspects of the Trio CoS ModelTrio CoS Processing SummaryHierarchical CoSThe H-CoS Reference ModelLevel 4: QueuesLevel 3: IFLLevel 2: IFL-SetsLevel 1: IFDRemainingInterface Modes and Excess Bandwidth SharingPriority-Based ShapingFabric CoSControl CoS on Host-Generated TrafficH-CoS SummaryPer-VLAN Queuing for Non-Queuing MPCsPer-Unit Scheduler Case Study on MPC4ePer-Unit Scheduling for Non-Q MPC SummaryTrio Scheduling and QueuingScheduling DisciplineScheduler Priority LevelsScheduler ModesH-CoS and Aggregated Ethernet InterfacesSchedulers, Scheduler Maps, and TCPsTrio Scheduling and Priority SummaryMX Trio CoS DefaultsFour Forwarding Classes, but Only Two QueuesDefault BA and Rewrite Marker TemplatesMX Trio CoS Defaults SummaryFlexible Packet RewritePolicy Map SummaryPredicting Queue ThroughputWhere to Start?Trio CoS Proof-of-Concept Test LabPredicting Queue Throughput SummaryCoS LabConfigure Unidirectional CoSVerify Unidirectional CoSConfirm Scheduling BehaviorAdd H-CoS for Subscriber AccessConfigure H-CoSVerify H-CoSTrio CoS SummaryChapter Review QuestionsChapter Review Answers