********************************** Overview ********************************** This MIB provides read access to Quality of Service (QoS) configuration and statistics information for Arista platforms. Configuration information available through this MIB includes all class-map, policy-map, and service-policy parameters. The definitions of these object types are given below. Statistics available through this MIB include dropped, sent and matched packet counters per traffic class after any configured QoS policies are applied. ********************************** Definitions ********************************** Class map - A data structure that uses access-control lists to define a data stream. Policy map - A data structure that associates class maps identifying specific data streams with actions that control its transmission. Action - A traffic-management action that is applied to traffic classified as belonging to a particular class. Actions may include modifying CoS or DSCP fields, assigning to traffic-class queues, shaping, or filtering.