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NE40E V800R010C10SPC500 Configuration Guide - QoS 01

This is NE40E V800R010C10SPC500 Configuration Guide - QoS
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Configuring Traffic Policing Based on Complex Traffic Classification

Configuring Traffic Policing Based on Complex Traffic Classification

This section describes how to configure traffic policing based on the complex traffic classification (CTC), which is also called the CTC-based traffic policing.

Usage Scenario

There are a large number of users in the network and they send data constantly. Continuous burst data from numerous users can make the network congested. As a result, the running and service quality of the network are affected to a great extent.

To ensure the availability of bandwidth resources regardless of whether the network is idle or congested, traffic control needs to be implemented on one or several types of packet. You can combine complex traffic classification and traffic control to configure CTC-based traffic policing policies. Then, apply the policies to the inbound interface to restrict the traffic of the specific packets within a reasonable range. In this manner, limited network resources are better utilized.


Complex traffic classification refers to classifying packets according to the source IP address, source port number, protocol number, destination IP address, and destination port number. It is usually configured at the edge of the network.

Pre-configuration Tasks

Before configuring CTC-based traffic policing, you need to complete the following tasks:

  • Configuring the physical parameters of interfaces

  • Configuring the link layer attributes of interfaces to ensure their normal operation

  • Configuring IP addresses for interfaces

  • Enabling the routing protocol for communication between devices

Configuration Procedures

Figure 3-6 Flowchart of configuring CTC-based traffic policing
Updated: 2019-01-03

Document ID: EDOC1100055024

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