How do I associate dynamically configured CoS feature with a subscriber interface, and improve CoS performance?
To associate dynamically configured initial class-of-service (CoS) features with a subscriber interface, reference Junos OS predefined variables—and not user-defined variables—in an access dynamic profile for that interface. For more information, click Subscriber Interfaces That Provide Initial CoS Parameters Dynamically Obtained from RADIUS
To improve class-of-service (CoS) performance in IPv4, IPv6, and dual-stack networks, we recommend that you use the aggregate-clients replace statement rather than the aggregate-clients merge statement. For more information, click Changing CoS Services Overview