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CLI-based Configuration Guide - Security

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Using an ACL in QoS to Implement Traffic Policing

Using an ACL in QoS to Implement Traffic Policing

To monitor the rate of different traffic entering the network and penalize excess traffic, you can apply an ACL to a traffic policy or simplified traffic policy. In this way, you can restrict the rate of traffic entering the network to guarantee network resources.

In Figure 4-8, VLAN 100, VLAN 110, and VLAN 120 of an enterprise network provide the data, video, and voice services, respectively. ACL-based traffic policing is configured to ensure the service quality of data is higher than that of video, and that of video is higher than that of voice. ACL-based traffic policing classifies different service flows of the enterprise based on VLAN IDs and limits the rate of packets that match ACL rules. In this way, the traffic rates of different services can be controlled and bandwidth for the services can be guaranteed.

Figure 4-8  Using an ACL in QoS to implement traffic policing

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Updated: 2019-05-20

Document ID: EDOC1100034236

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