Allied-telesis AT-S63 Manual do Utilizador descarregar pdf (Página 319)

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AT-S63 Management Software Command Line Interface User’s Guide

Section II: Advanced Operations 319

QoS Command Sequence Examples

Creating a QoS policy involves a command sequence that creates one or

more classifiers, a flow group, a traffic class, and finally the policy. The

following sections contain examples of the command sequences for

different types of policies.

Example 1: Voice Application

Voice applications typically require a small bandwidth but it must be

consistent. They are sensitive to latency (interpacket delay) and jitter

(delivery delay). Voice applications can be set up to have the highest

priority.

This example creates two policies that ensure low latency for all traffic sent

by and destined to a voice application located on a node with the IP

address 149.44.44.44. The policies raise the priority level of the packets to

7, the highest level. Policy 6 is for traffic from the application that enter the

switch on port 1. Policy 11 is for traffic arriving on port 8 going to the

application.

Policy 6 Commands:

create classifier=22 description=”VoIP flow”

ipsadddr=149.44.44.44

create qos flowgroup=14 description=”VoIP flow”

priority=7 classifierlist=22

create qos trafficclass=18 description=”VoIP flow”

flowgrouplist=14

create qos policy=6 description=”VoIP flow”

trafficclasslist=18 ingressport=1

Policy 11 Commands:

create classifier=23 description=”VoIP flow”

ipdadddr=149.44.44.44

create qos flowgroup=17 description=”VoIP flow”

priority=7 classifierlist=23

create qos trafficclass=15 description=”VoIP flow”

flowgrouplist=17

create qos policy=11 description=”VoIP flow”

trafficclasslist=15 ingressport=8

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