20-Network Management and Monitoring Configuration Guide

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13-SQA configuration
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Configuring SQA

About SQA

Service quality analysis (SQA) enables the device to identify SIP-based multimedia traffic and preferentially forward this traffic to ensure multimedia service quality. Use this feature to decrease multimedia stuttering and improve user experience of a service template.

SQA tasks at a glance

To configure SQA, perform the following tasks:

·     Configuring SIP-based SQA

Configuring SIP-based SQA

About this task

SIP-based SQA allows a service template to preferentially forward SIP traffic. Additionally, the device will analyze the SIP traffic, collect and save traffic information and session information.

Restrictions and guidelines

SIP-based SQA cannot analyze encrypted or fragmented SIP traffic.

If you enable SIP-based SQA in a service template bound to a radio and then enable fast forwarding of AP-to-client data frames for the radio, SIP-based SQA will not stop working. For information about fast forwarding of AP-to-client data frames, see WLAN optimization in WLAN Configuration Guide.

Procedure

1.     Enter system view.

system-view

2.     Create an SQA profile and enter its view.

sqa profile profile-name

3.     Enable SIP-based SQA in the SQA profile.

sip enable

By default, SIP-based SQA is disabled in an SQA profile.

4.     Return to system view.

quit

5.     Enter service template view.

wlan service-template service-template

6.     Bind an SQA profile to the service template.

sqa-profile profile-name

By default, no SQA profile is bound to a service template.

Display and maintenance commands for SQA

Execute display commands in any view .

 

Task

Command

Display configuration information for SQA profiles.

display sqa profile [ profile-name ]

Display SIP call information.

display sqa sip call [ [ call-id call-id ] verbose ]

Display SIP call statistics.

display sqa sip call-statistics

SQA configuration examples

Example: Configuring SIP-based SQA

Network configuration

As shown in Figure 1, the SIP server installed with third-party VoIP server software acts as both the SIP proxy server and SIP registrar to manage SIP UA registration and SIP calls. Client 1 and client 2 installed with third-party client software can place calls to each other.

Configure SIP-based SQA on the AC to optimize multimedia traffic of SIP calls for a service template to provide high-quality multimedia services.

Figure 1 Network diagram

 

Prerequisites

Assign IP addresses to interfaces, and make sure the devices can reach each other.

Make sure the AP can work correctly on the AC and clients can communicate with each other.

Procedure

1.     Configure the SIP server:

Install third-party VoIP server software, register UAs, and specify the usernames (phone numbers) and passwords for the clients. (Details not shown.)

2.     Configure client 1 and client 2:

Install third-party VoIP client software, specify the IP address of the SIP server, and configure the username (phone number), password, and other parameters on each PC. (Details not shown.)

3.     Configure the AC:

# Create an SQA profile, and enable SIP-based SQA.

<Sysname> system-view

[Sysname] sqa profile 1

[Sysname-sqa-profile-1] sip enable

[Sysname-sqa-profile-1] quit

# Bind an SQA profile to a service template.

[Sysname] wlan service-template service

[Sysname-wlan-st-service] sqa-profile 1

[Sysname-wlan-st-service] quit

[Sysname] quit

 

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