Basic Configurations
148 Quality of Service Guide
Network Queue Parent Scheduler
Network queues support port scheduler parent priority-level associations. Using a port
scheduler policy definition and mapping network queues to a port parent priority level, HQoS
functionality is supported providing eight levels of strict priority and weights within the same
priority. A network queue’s bandwidth is allocated using the “within-cir” and “above-cir”
scheme normal for port schedulers.
Queue CIR and PIR percentages when port-based schedulers are in effect will be based on
frame-offered-load calculations.
A network queue with a port parent association exists on a port without a scheduler policy
defined will be considered to be orphaned.
Refer to QoS Scheduler Policies for more information about queue parental association
scope.
Basic Configurations
A basic network queue QoS policy must conform to the following:
• Each network queue QoS policy must have a unique policy name.
• Queue parameters can be modified, but cannot be deleted.
Create a Network Queue QoS Policy
Configuring and applying QoS policies other than the default policy is optional. A default
network queue policy is applied to XMA and MDA network ingress ports.
To create an network queue policy, define the following:
• Enter a network queue policy name. The system will not dynamically assign a name.
• Include a description. The description provides a brief overview of policy features.
• Forwarding class — You can assign a forwarding class to a specific queue.
Use the following CLI syntax to create a network queue QoS policy:
CLI Syntax: config>qos
network-queue policy-name
description description-string
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