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S12700 V200R010C00 Configuration Guide - QoS

This document describes the configurations of QoS functions, including MQC, priority mapping, traffic policing, traffic shaping, interface-based rate limiting, congestion avoidance, congestion management, packet filtering, redirection, traffic statistics, ACL-based simplified traffic policy, and HQoS.
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Licensing Requirements and Limitations for HQoS

Licensing Requirements and Limitations for HQoS

Involved Network Elements

Other network elements are not required.

Licensing Requirements

HQoS is a basic feature of a switch and is not under license control.

Version Requirements

Table 10-1 describes the products and versions supporting HQoS.

Table 10-1  Products and versions supporting HQoS


Product Model

Software Version


S12708 and S12712

V200R006C00, V200R007C00, V200R007C20, V200R008C00, V200R009C00, V200R010C00, V200R011C10


V200R010C00, V200R011C10


V200R008C00, V200R009C00, V200R010C00, V200R011C10

To know details about software mappings, see Hardware Query Tool.

Feature Limitations

  • Table 10-2 describes the specifications of HQoS.
    Table 10-2  Specifications of HQoS



    Maximum number of flow queues


    Maximum number of subscriber queues

    Versions earlier than V200R011C10: 8191

    V200R011C10: 8190

    Maximum number of flow queues for which traffic statistics can be collected


    Maximum number of port queues


    Maximum number of flow queue WRED drop profiles


    Maximum number of flow queue profiles


    Maximum number of flow mapping profiles


  • Only X1E series cards support HQoS.

  • The device supports only HQoS in the outbound direction.
  • When each service flow of different users has the same priority, the device cannot provide congestion management for service flows based on users.
Updated: 2019-08-21

Document ID: EDOC1000142089

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