The set class-of-service forwarding-class local-priority command sets mapping between forwarding class and local priority, the switch will then send different types of packets to the specific CPU queue.
set class-of-service forwarding-class <forwarding-class-name> local-priority <int>
Specifies forwarding class, the value is a string, spaces are not allowed.
Specifies local priority corresponding to the CPU queue.
The value is an integer that ranges from 0 to 23.
• Set forwarding class copp-class3 to CPU queue 20.