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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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(Optional) Configuring a QPPB Policy

(Optional) Configuring a QPPB Policy

Context

QoS Policy Propagation Through the Border Gateway Protocol (QPPB) allows the BGP route sender to classify BGP routes by setting BGP route attributes, and allows the BGP route receiver to enforce different local QoS policies on the BGP routes based on the attributes set by the BGP route sender.

The following describes QPPB implementation:
  • The BGP route sender sets different BGP route attributes for different BGP routes before sending the routes to the BGP route receiver. The attributes include the AS_Path, community, and extended community attributes.
  • The BGP route receiver performs the following operations after receiving the BGP routes:
    1. Sets the associated QoS local IDs for the BGP routes that match routing policies based on the attributes in the BGP routes, including the AS_Path, community, and extended community attributes.
    2. Enforces different traffic behaviors based on the associated QoS local IDs during packet forwarding.
    3. Creates a local QPPB policy to configure the associated QoS policy for the BGP routes.
    4. Applies the local QPPB policy to an interface to implement the policy on all the packets that match rules.
NOTE:
  • The device currently allows a QPPB policy to be applied only to the inbound interface of the destination route.
  • Currently, the device supports only the EBGP QPPB policies of the public and private networks and does not support IBGP QPPB policies.
  • QPPB policies support the following traffic behaviors: packet filtering, traffic policing, remarking, traffic statistics collection, and congestion management.
  • Currently, only IPv4 route forwarding supports QPPB policies, and IPv6 route forwarding does not support QPPB policies.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run qppb local-policy policy-name

    A QPPB policy is created.

    By default, no QPPB policy is created.

  3. Run qos-local-id qos-local-id behavior behavior

    The QoS local ID carried in a local route is bound to the specified traffic behavior.

    By default, the QoS local ID carried in a local route is not bound to any traffic behavior.

    NOTE:
    Before running this command, ensure that the following conditions have been met:
    • The apply qos-local-idqos-local-id command has been executed in the route-policy view to configure a QoS local ID for the route requiring QoS control.
    • The traffic behavior behavior-name command has been executed in the system view to create a traffic behavior.

  4. Run quit

    Return to the system view.

  5. Run interface interface-type interface-number

    The interface view is displayed.

  6. Run qppb-policy policy-name enable

    The QPPB policy has been enabled.

    By default, no QPPB policy is enabled.

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Updated: 2019-08-12

Document ID: EDOC1100034072

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