DrayTek Vigor-2920 Router Manual PDF (Setup & Configuration Guide)

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Vigor2920 Series User’s Guide

136

This page displays the QoS settings result of the WAN interface. Click the

Setup

link to

access into next page for the general setup of WAN interface. As to class rule, simply click the

Edit

link to access into next for configuration.

You can configure general setup for the WAN interface, edit the Class Rule, and edit the

Service Type for the Class Rule for your request.

General Setup for WAN Interface

When you click

Setup

, you can configure the bandwidth ratio for QoS of the WAN interface.

There are four queues allowed for QoS control. The first three (Class 1 to Class 3) class rules

can be adjusted for your necessity. Yet, the last one is reserved for the packets which are not

suitable for the user-defined class rules.

Enable the QoS Control

The factory default for this setting is checked.

Please also define which traffic the QoS Control settings will

apply to.

IN-

apply to incoming traffic only.

OUT-

apply to outgoing traffic only.

BOTH-

apply to both incoming and outgoing traffic.

Check this box and click

OK

, then click

Setup

link again. You

will see the

Online Statistics

link appearing on this page.

WAN Inbound Bandwidth

It allows you to set the connecting rate of data input for WAN.

For example, if your ADSL supports 1M of downstream and

256K upstream, please set 1000kbps for this box. The default

value is 10000kbps.

WAN Outbound Bandwidth

It allows you to set the connecting rate of data output for WAN.

For example, if your ADSL supports 1M of downstream and

256K upstream, please set 256kbps for this box. The default

value is 10000kbps.

Note:

The rate of outbound/inbound must be smaller than the real bandwidth to ensure

correct calculation of QoS. It is suggested to set the bandwidth value for inbound/outbound

as 80% - 85% of physical network speed provided by ISP to maximize the QoS

performance.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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Vigor2920 Series User’s Guide

137

Reserved Bandwidth Ratio

It is reserved for the group index in the form of ratio of

reserved bandwidth to upstream speed

and

reserved

bandwidth to downstream speed

.

Enable UDP Bandwidth

Control

Check this and set the limited bandwidth ratio on the right

field. This is a protection of TCP application traffic since

UDP application traffic such as streaming video will exhaust

lots of bandwidth.

Outbound TCP ACK

Prioritize

The difference in bandwidth between download and upload

are great in ADSL2+ environment. For the download speed

might be impacted by the uploading TCP ACK, you can

check this box to push ACK of upload faster to speed the

network traffic.

Limited_bandwidth Ratio

The ratio typed here is reserved for limited bandwidth of UDP

application.

Online Statistics

Display an online statistics for quality of service for your

reference.

Edit the Class Rule for QoS

The first three (Class 1 to Class 3) class rules can be adjusted for your necessity. To add, edit

or delete the class rule, please click the

Edit

link of that one.

After you click the

Edit

link, you will see the following page. Now you can define the name

for that Class. In this case, “Test” is used as the name of Class Index #1.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

Page 148 / 251

Vigor2920 Series User’s Guide

138

For adding a new rule, click

Add

to open the following page.

ACT

Check this box to invoke these settings.

Local Address

Click the

Edit

button to set the local IP address (on LAN) for

the rule.

Remote Address

Click the

Edit

button to set the remote IP address (on

LAN/WAN) for the rule.

Edit

It allows you to edit source address information.

Address Type –

Determine the address type for the source

address.

For

Single Address

, you have to fill in Start IP address.

For

Range Address

, you have to fill in Start IP address and

End IP address.

For

Subnet Address

, you have to fill in Start IP address and

Subnet Mask.

DiffServ CodePoint

All the packets of data will be divided with different levels and

will be processed according to the level type by the system.

Please assign one of the levels of the data for processing with

QoS control.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

Page 149 / 251

Vigor2920 Series User’s Guide

139

Service Type

It determines the service type of the data for processing with

QoS control. It can also be edited. You can choose the

predefined service type from the Service Type drop down list.

Those types are predefined in factory. Simply choose the one

that you want for using by current QoS.

By the way, you can set up to 20 rules for one Class. If you want to edit an existed rule, please

select the radio button of that one and click

Edit

to open the rule edit page for modification.

Edit the Service Type for Class Rule

To add a new service type, edit or delete an existed service type, please click the Edit link

under Service Type field.

After you click the

Edit

link, you will see the following page.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

Page 150 / 251

Vigor2920 Series User’s Guide

140

For adding a new service type, click

Add

to open the following page.

Service Name

Type in a new service for your request.

Service Type

Choose the type (TCP, UDP or TCP/UDP) for the new service.

Port Configuration

Click

Single

or

Range

as the

Type

. If you select Range, you

have to type in the starting port number and the end porting

number on the boxes below.

Port Number

– Type in the starting port number and the end

porting number here if you choose Range as the type.

By the way, you can set up to 40 service types. If you want to edit/delete an existed service

type, please select the radio button of that one and click

Edit/Edit

for modification.

VoIPon

www.voipon.co.uk

[email protected]

Tel: +44 (0)1245 808195

Fax: +44 (0)1245 808299

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