Create Policy Maps - Dell C9000 Series Networking Configuration Manual

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Create Policy Maps

There are two types of policy maps: input and output.

Creating Input Policy Maps

There are two types of input policy-maps: Layer 3 and Layer 2.

Create a Layer 3 input policy map.

CONFIGURATION mode

policy-map-input

Create a Layer 2 input policy map by entering the policy-map-input layer2 command.

After you create an input policy map, do one or more of the following:

Applying a Class-Map or Input QoS Policy to a Queue

Applying an Input QoS Policy to an Input Policy Map

Honoring DSCP Values on Ingress Packets

Guaranteeing Bandwidth to dot1p-Based Service Queues

Honoring dot1p Values on Ingress Packets

Apply the input policy map to an interface.

Applying a Class-Map or Input QoS Policy to a Queue

To apply a class-map or input QoS policy to a queue, use the following command.

Assign an input QoS policy to a queue.

POLICY-MAP-IN mode

service-queue

Applying an Input QoS Policy to an Input Policy Map

To apply an input QoS policy to an input policy map, use the following command.

Apply an input QoS policy to an input policy map.

POLICY-MAP-IN mode

policy-aggregate

Honoring DSCP Values on Ingress Packets

You can configure the ability to honor DSCP values on ingress packets by using the Trust DSCP feature.

The following table lists the standard DSCP definitions and indicates how DSCP values are mapped to queues.

When you configure trust DSCP, the matched packets and matched bytes counters are not incremented in

the show qos statistics.

Quality of Service (QoS)