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S12700 V200R012C00 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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Application Scenarios for HQoS

Application Scenarios for HQoS

Networking Requirements

Voice, video, and data services from multiple users are transmitted on a network. As bandwidth is limited, users in VLAN 10 or VLAN 20 are allocated different bandwidth guarantees. Each user has different scheduling priorities allocated for the three services they are using. In descending order, bandwidth guarantee needs to be prioritized for voice, video, and data services. Figure 10-2 shows a network requiring HQoS.
Figure 10-2  HQoS networking

Service Deployment

  • Deploy priority mapping to map packet priorities of different services to local priorities and mark packets in different colors.
  • Deploy ACLs to differentiate users.
  • Deploy HQoS to implement differentiated services based on users and services.
Updated: 2019-01-18

Document ID: EDOC1100038410

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