Red Hat Summit Red Hat SummitApoyoConsolaDesarrolladoresIniciar una pruebaContacto

Este contenido no está disponible en el idioma seleccionado.

Chapter 12. Configure Quality-of-Service (QoS)

Red Hat OpenStack Platform 8 introduces support for network quality-of-service (QoS) policies. These policies allow OpenStack administrators to offer varying service levels by applying rate limits to egress traffic for instances. As a result of implementing a QoS policy, any traffic that exceeds the specified rate is consequently dropped.

12.1. QoS Policy Scope
Copiar enlace

QoS policies are applied to individual ports, or to a particular tenant network, where ports with no specific policy attached will inherit the policy.

12.2. QoS Policy Management
Copiar enlace

QoS policies can be dynamically applied, modified, or removed. This example manually creates a bandwidth limiting rule and applies it to a port.

  1. Review the list of tenants and determine the id of where you need to create QoS policy: 

    # keystone tenant-list
+----------------------------------+--------------------+---------+
|                id                |        name        | enabled |
+----------------------------------+--------------------+---------+
| 35c6f4eb8bc24455a1df527760c091f5 |       admin        |   True  |
| d602b03dcc324dd483d37163388b2021 |        demo        |   True  |
| 74b64ba4eb3e4f08a8819454b667d4f6 |      services      |   True  |
+----------------------------------+--------------------+---------+

  2. Create a QoS policy named bw-limiter in the admin tenant: 

    # neutron qos-policy-create --tenant-id 35c6f4eb8bc24455a1df527760c091f5 'bw-limiter'

  3. Configure the policing rules for the bw-limiter policy: 

    # neutron qos-bandwidth-limit-rule-create bw-limiter --max_kbps 3000 --max_burst_kbps 3000

  4. Configure a neutron port to apply the bw-limiter policy: 

    # neutron port-update <port id> --qos-policy bw-limiter

  5. Review the QoS rule. For example: 

    # neutron qos-rule-show 9be535c3-daa2-4d7b-88ea-e8de16

+-------------------+---------------------------------+
| Field             | Value                           |
+-------------------+---------------------------------+
| id                | 9be535c3-daa2-4d7b-88ea-e8de16  |
| rule_type         | bandwidth_limit                 |
| description       |                                 |
| max_kbps          | 3000                            |
| max_burst_kbps    | 300                             |
+-------------------+---------------------------------+

These values allow you to configure the policing algorithm accordingly:

  • max_kbps - the maximum rate (in Kbps) that the instance is allowed to send.
  • max_burst_kbps - the maximum amount of data (in kbits) that the port could send in a instant if the token buffer was full. The token buffer is replenished at a "max_kbps" rate.
Red Hat logoGithubredditYoutubeTwitter

Aprender

Pruebe, compre y venda

Comunidades

Acerca de Red Hat

Ofrecemos soluciones reforzadas que facilitan a las empresas trabajar en plataformas y entornos, desde el centro de datos central hasta el perímetro de la red.

Hacer que el código abierto sea más inclusivo

Red Hat se compromete a reemplazar el lenguaje problemático en nuestro código, documentación y propiedades web. Para más detalles, consulte el Blog de Red Hat.

Acerca de la documentación de Red Hat

Ayudamos a los usuarios de Red Hat a innovar y alcanzar sus objetivos con nuestros productos y servicios con contenido en el que pueden confiar. Explore nuestras recientes actualizaciones.

Legal Notice

Theme

© 2026 Red HatVolver arriba