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NE40E V800R010C10SPC500 Configuration Guide - QoS 01

This is NE40E V800R010C10SPC500 Configuration Guide - QoS
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Configuring Source-Based QPPB

Configuring Source-Based QPPB

Source-based QPPB differentiates routes from different sources and associates differentiated QoS policies with them.

Usage Scenario

QPPB is applicable to both IBGP and EBGP and can be configured for one or more ASs.

As shown in Figure 7-3, traffic is transmitted from provider B (AS 200) and provider C (AS 300) to provider D (AS 400) through provider A (AS 100). providers B and C function as BGP route senders and provider A functions as a BGP route receiver. Based on the traffic control policies signed between providers A, B, and C, provider A needs to implement the CAR action on the traffic sent from providers B and C.

providers B and C advertise BGP routes carrying the community attribute to provider A. After receiving the BGP routes, provider A matches the routes with the community list, ACL list, or AS_Path list, and configures QoS policy IDs and QoS behaviors for the routes. Source-based QPPB is enabled on the provider A interface that allows traffic to pass through. Therefore, QPPB local policies are applied to all traffic that passes through provider A.

Source-based QPPB is applicable to both incoming and outgoing traffic on a device.

Figure 7-3 Networking diagram for source-based QPPB configuration

Pre-configuration Tasks

Before configuring source-based QPPB, complete the following tasks:

  • Configuring basic BGP functions

  • Configuring local network routes advertised by BGP

  • Configuring interfaces for setting up a BGP connection

Configuration Procedures

Figure 7-4 Flowchart for QPPB configuration
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Updated: 2019-01-03

Document ID: EDOC1100055024

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