Honoring DSCP Values on Ingress PacketsDell Networking OS provides the ability to honor DSCP values on ingress packets using Trust DSCP feature.The following table lists the standard DSCP definitions and indicates to which queues Dell Networking OS maps DSCP values. Whenyou configure trust DSCP, the matched packets and matched bytes counters are not incremented in the show qos statistics.Table 72. Default DSCP to Queue MappingDSCP/CP hex range(XXX)xxx DSCP Definition Traditional IPPrecedence Internal Queue ID DSCP/CP decimal111XXX Network Control 3 48–63110XXX Internetwork Control 3 48–63101XXX EF (ExpeditedForwarding)CRITIC/ECP 2 32–47100XXX AF4 (AssuredForwarding)Flash Override 2 32–47011XXX AF3 Flash 1 16–31010XXX AF2 Immediate 1 16–31001XXX AF1 Priority 0 0–15000XXX BE (Best Effort) Best Effort 0 0–15• Enable the trust DSCP feature.POLICY-MAP-IN modetrust diffservHonoring dot1p Values on Ingress PacketsDell Networking OS honors dot1p values on ingress packets with the Trust dot1p feature.The following table specifies the queue to which the classified traffic is sent based on the dot1p value.Table 73. Default dot1p to Queue Mappingdot1p Queue ID0 21 02 13 34 45 56 67 7Table 74. Default dot1p to Queue Mappingdot1p Queue ID0 01 02 03 14 2688 Quality of Service (QoS)
