Dell Force10 MXL Blade Configuration Manual

Also see for Force10 MXL Blade: Configuration guide Getting started guide Manual Deployment guide Configuration

Contents

426 | Quality of Service (QoS)w w w . d e l l . c o m | s u p p o r t . d e l l . c o m 3. Apply the input policy map to an interface.Apply a Class-Map or Input QoS Policy to a QueueTo assign an input QoS policy to a queue, use the service-queue command from POLICY-MAP-IN mode.Apply an Input QoS Policy to an Input Policy MapTo apply an input QoS policy to an input policy map, use the policy-aggregate command fromPOLICY-MAP-IN mode.Honor DSCP Values on Ingress PacketsFTOS provides the ability to honor DSCP values on ingress packets using the trust DSCP feature. Toenable the trust DSCP feature, use the trust diffserv command from POLICY-MAP-IN mode. Table 24-3lists the standard DSCP definitions and indicates to which queues FTOS maps the DSCP values. When youconfigure trust DSCP, the matched packets and matched bytes counters are not incremented in the show qosstatistics command.Table 24-3. Default DSCP to Queue MappingNote: Packets with DSCP value of 63 are dropped.DSCP/CPhex range(XXX) DSCP Definition Traditional IP PrecedenceInternalQueue IDDSCP/CPdecimal111XXX Network Control 3 48–63110XXX Internetwork Control 3101XXX EF (Expedited Forwarding) CRITIC/ECP 232–47100XXX AF4 (Assured Forwarding) Flash Override 2011XXX AF3 Flash 1 16–31010XXX AF2 Immediate 1001XXX AF1 Priority 0 0–15000XXX BE (Best Effort) Best Effort 0