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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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Default Settings for HQoS

Default Settings for HQoS

Table 10-3 describes default settings of a flow queue WRED drop profile; Table 10-4 describes default settings of a flow queue profile; Table 10-5 describes default settings of a flow mapping profile; Table 10-6 describes the mapping between internal priorities and flow queues, which cannot be changed.

Table 10-3  Default settings of a flow queue WRED drop profile

Parameter

Default Setting

Flow queue WRED drop profile name

default

Lower drop threshold (red, yellow, and green packets)

100

Upper drop threshold (red, yellow, and green packets)

100

Maximum drop probability (red, yellow, and green packets)

100

Table 10-4  Default settings of a flow queue profile

Parameter

Default Setting

Flow queue profile name

default

Queue scheduling mode

PQ scheduling

Traffic shaping rate

PIR

WRED drop profile

default

Table 10-5  Default settings of a flow mapping profile

Parameter

Default Setting

Flow mapping profile name

default

Queue mapping

Flow queues 0 to 7 corresponding to port queues 0 to 7 respectively

Table 10-6  Mappings between internal priorities and flow queues

Internal Priority

Flow Queue Index

BE

0

AF1

1

AF2

2

AF3

3

AF4

4

EF

5

CS6

6

CS7

7

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Updated: 2019-01-18

Document ID: EDOC1100038410

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