2-12 QoS Policy ConfigurationWhen configuring a QoS policy, go to these sections for information you are interested in:z QoS Policy Overviewz Configuring a QoS Policyz Applying the QoS Policyz Displaying and Maintaining QoS PoliciesQoS Policy OverviewA QoS policy involves three components: class, traffic behavior, and policy. You can associate a classwith a traffic behavior using a QoS policy.ClassClasses are used to identify traffic.A class is identified by a class name and contains some match criteria.A class is a set of match criteria for identifying traffic. It uses the AND or OR operator:If the operator is AND, a packet must match all the criteria to match the class.If the operator is OR, a packet matches the class if it matches any of the criteria in the class.Traffic behaviorA traffic behavior defines a set of QoS actions to take on packets, such as filtering and redirect.PolicyBy associating a traffic behavior with a class in a QoS policy, you apply the specific set of QoS actions tothe class of traffic.Configuring a QoS PolicyFollow these steps to configure a QoS policy:1) Create a class and define a set of match criteria in class view.2) Create a traffic behavior and define a set of QoS actions in traffic behavior view.3) Create a policy and associate the traffic behavior with the class in policy view.4) Apply the policy to an interface.Defining a ClassTo define a class, you need to specify a name for it and then configure match criteria in class view.Follow these steps to define a class:To do… Use the command… RemarksEnter system view system-view —
