CONFIGURATION modepolicy-map-output2. After you create an output policy map, do one or more of the following:Applying an Output QoS Policy to a QueueSpecifying an Aggregate QoS PolicyApplying an Output Policy Map to an Interface3. Apply the policy map to an interface.Applying an Output QoS Policy to a QueueTo apply an output QoS policy to a queue, use the following command.• Apply an output QoS policy to queues.INTERFACE modeservice-queueSpecifying an Aggregate QoS PolicyTo specify an aggregate QoS policy, use the following command.• Specify an aggregate QoS policy.POLICY-MAP-OUT modepolicy-aggregateApplying an Output Policy Map to an InterfaceTo apply an output policy map to an interface, use the following command.• Apply an input policy map to an interface.INTERFACE modeservice-policy outputYou can apply the same policy map to multiple interfaces, and you can modify a policy map after youapply it.Enabling QoS Rate AdjustmentBy default while rate limiting, policing, and shaping, Dell Networking OS does not include the Preamble,SFD, or the IFG fields. These fields are overhead; only the fields from MAC destination address to the CRCare used for forwarding and are included in these rate metering calculations.The Ethernet packet format consists of:• Preamble: 7 bytes Preamble• Start frame delimiter (SFD): 1 byte• Destination MAC address: 6 bytes• Source MAC address: 6 bytes• Ethernet Type/Length: 2 bytes• Payload: (variable)Quality of Service (QoS) 723
