Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

The above requirement can be achieved using either of the two approaches.

!
                                    ip access-list standard dscp_50
                                    seq 5 permit any dscp 50
                                    !
                                    ip access-list standard dscp_40
                                    seq 5 permit any dscp 40
                                    !
                                    ip access-list standard dscp_50_non_ecn
                                    seq 5 permit any dscp 50 ecn 0
                                    
                                    !
                                    ip access-list standard dscp_40_non_ecn
                                    seq 5 permit any dscp 40 ecn 0
                                    !
                                    class-map match-any class_dscp_40
                                    match ip access-group dscp_40_non_ecn set-color yellow
                                    match ip access-group dscp_40
                                    !
                                    class-map match-any class_dscp_50
                                    match ip access-group dscp_50_non_ecn set-color yellow
                                    match ip access-group dscp_50
                                    !
                                    policy-map-input pmap_dscp_40_50
                                    service-queue 2 class-map class_dscp_40
                                    service-queue 3 class-map class_dscp_50
                                 

Approach with explicit ECN match qualifiers for ECN packets:

!
                                 ip access-list standard dscp_50_ecn
                                 seq 5 permit any dscp 50 ecn 1
                                 seq 10 permit any dscp 50 ecn 2
                                 seq 15 permit any dscp 50 ecn 3
                                 
                                 !
                                 ip access-list standard dscp_40_ecn
                                 seq 5 permit any dscp 40 ecn 1
                                 seq 10 permit any dscp 40 ecn 2
                                 seq 15 permit any dscp 40 ecn 3
                                 
                                 !
                                 ip access-list standard dscp_50_non_ecn
                                 seq 5 permit any dscp 50 ecn 0
                                 
                                 !
                                 ip access-list standard dscp_40_non_ecn
                                 seq 5 permit any dscp 40 ecn 0
                                 !
                                 class-map match-any class_dscp_40
                                 match ip access-group dscp_40_non_ecn set-color yellow
                                 match ip access-group dscp_40_ecn
                                 !
                                 class-map match-any class_dscp_50
                                 match ip access-group dscp_50_non_ecn set-color yellow
                                 match ip access-group dscp_50_ecn
                                 !
                                 policy-map-input pmap_dscp_40_50
                                 service-queue 2 class-map class_dscp_40
                                 service-queue 3 class-map class_dscp_50