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Quality of Service, Using WMM QoS for Wireless Multimedia Applications

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Quality of Service Wireless-G Router WGR614v10 Reference Manual Quality of Service (QoS) is an advanced feature that can be used to prioritize some types of traffic ahead of others. The Wireless-G Router can provide QoS prioritization on the Internet connection. To configure QoS, use the QoS Setup screen. From the main menu of the browser interface, under Advanced, select QoS Setup. The QoS Setup screen displays: Figure 5-6 Using WMM QoS for Wireless Multimedia Applications The Wireless-G Router supports Wi-Fi Multimedia Quality of Service (WMM QoS) to prioritize wireless voice and video traffic over the wireless link. WMM QoS provides prioritization of wireless data packets from different applications based on four access categories: voice, video, best effort, and background. For an application to receive the benefits of WMM QoS, both it and the client running that application must be WMM enabled. Legacy applications that do not support WMM, and applications that do not require QoS, are assigned to the best effort category, which receives a lower priority than voice and video. WMM QoS is enabled by default. You can disable it in the QoS Setup screen, shown in Figure 5-6 on page 5-15, by clearing the Enable WMM check box and clicking Apply. Configuring QoS for Internet Access You can give prioritized Internet access to the following types of traffic: Fine-Tuning Your Network v1.0, February 2010 5-15

Section	Page
Wireless-G Router WGR614v10 Reference Manual	1
Contents	6
About This Manual	10
Conventions, Formats, and Scope	10
How to Print This Manual	11
Revision History	12
Chapter 1 Configuring Basic Connectivity	13
Using the Setup Manual	13
Logging In to Your Wireless Router	14
Selecting a Language for Your Screen Display	17
Configuring Your Internet Connection Using the Setup Wizard	18
Viewing and Configuring Basic ISP Settings	18
Your Internet Connection Does Not Require a Login	19
Your Internet Connection Does Require a Login	21
Setting Up and Testing Basic Wireless Connectivity	23
Chapter 2 Safeguarding Your Network	26
Choosing Appropriate Wireless Security	26
Recording Basic Wireless Settings Setup Information	29
Changing Wireless Security Settings	31
Viewing Basic Wireless Settings	31
Configuring WEP Wireless Security	32
Configuring WPA-PSK and WPA2-PSK Wireless Security	34
Viewing Advanced Wireless Settings	35
Restricting Wireless Access by MAC Address	36
Adding Guest Networks	39
Changing the Administrator Password	40
Backing Up Your Configuration	41
Understanding Your Firewall	42
Chapter 3 Restricting Access From Your Network	43
Content Filtering Overview	43
Blocking Access to Internet Sites	43
Blocking Access to Internet Services	45
Configuring a User-Defined Service	46
Blocking Services by IP Address Range	47
Scheduling Blocking	47
Viewing Logs of Web Access or Attempted Web Access	49
Chapter 4 Customizing Your Network Settings	50
Using the LAN IP Setup Options	50
Configuring a Device Name	51
Configuring LAN TCP/IP Setup Parameters	51
Using the Router as a DHCP Server	51
Using Address Reservation	52
Using a Dynamic DNS Service	53
Configuring the WAN Setup Options	55
Disabling the SPI Firewall	55
Setting Up a Default DMZ Server	55
Responding to a Ping on the Internet (WAN) Port	56
Setting the MTU Size	56
Configuring NAT Filtering	57
Configuring Static Routes	57
Wireless Repeating (Also Called WDS)	59
Wireless Repeating Function	60
Setting Up the Base Station	61
Setting Up a Repeater Unit	62
Chapter 5 Fine-Tuning Your Network	63
Allowing Inbound Connections to Your Network	63
How Your Computer Accesses a Remote Computer through Your Router	64
How Port Triggering Changes the Communication Process	65
How Port Forwarding Changes the Communication Process	67
How Port Forwarding Differs from Port Triggering	68
Configuring Port Forwarding to Local Servers	68
Adding a Custom Service	69
Editing or Deleting a Port Forwarding Entry	70
Application Example: Making a Local Web Server Public	70
Configuring Port Triggering	71
Using Universal Plug and Play	74
Optimizing Wireless Performance	75
Using WMM for Wireless Multimedia Applications	76
Quality of Service	77
Using WMM QoS for Wireless Multimedia Applications	77
Configuring QoS for Internet Access	77
QoS for Applications and Online Gaming	78
QoS for a Router LAN Port	80
QoS for a MAC Address	81
Editing or Deleting an Existing QoS Policy	82
Changing the MTU Size	83
Overview of Home and Small Office Networking Technologies	84
Assessing Your Speed Requirements	85
Chapter 6 Using Network Monitoring Tools	87
Viewing Wireless Router Status Information	87
Viewing a List of Attached Devices	92
Managing the Configuration File	92
Backing Up and Restoring the Configuration	93
Erasing the Configuration	93
Upgrading the Router Software	94
Upgrading Automatically to New Router Software	95
Upgrading Manually to New Router Software	96
Enabling Remote Management Access	97
Traffic Meter	99
Chapter 7 Troubleshooting	101
Troubleshooting Quick Tips	101
Be sure to restart your network in this sequence.	101
Make sure that the Ethernet cables are securely plugged in.	102
Make sure that the wireless settings in the computer and router match exactly.	102
Make sure that the network settings of the computer are correct.	102
Check the Test light to verify correct router operation.	102
Troubleshooting Basic Functions	103
The Power light is not on or is blinking.	103
The lights never turn off.	103
The Internet or Ethernet port lights are not on.	104
The Wireless light is not on.	104
Troubleshooting the Web Configuration Interface	104
Troubleshooting the Internet Connection	105
Troubleshooting a Network Using the Ping Utility	107
Testing the LAN Path to Your Router	107
Testing the Path from Your Computer to a Remote Device	108
Problems with Date and Time	109
Solving Wireless Connection Problems	109
Using Your Wireless Card Setup Program	109
Setting Up and Testing Basic Wireless Connectivity	110
Restoring the Default Configuration and Password	113
Appendix A Technical Specifications	114
Appendix B Related Documents	116

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Wireless-G Router WGR614v10 Reference Manual

Fine-Tuning Your Network

5-15

v1.0, February 2010

Quality of Service

Quality of Service (QoS) is an advanced feature that can be used to prioritize some types of traffic

ahead of others. The Wireless-G Router can provide QoS prioritization on the Internet connection.

To configure QoS, use the QoS Setup screen.

From the main menu of the browser interface, under Advanced, select

QoS Setup

. The QoS Setup

screen displays:

Using WMM QoS for Wireless Multimedia Applications

The Wireless-G Router supports Wi-Fi Multimedia Quality of Service (WMM QoS) to prioritize

wireless voice and video traffic over the wireless link. WMM QoS provides prioritization of

wireless data packets from different applications based on four access categories: voice, video,

best effort, and background. For an application to receive the benefits of WMM QoS, both it and

the client running that application must be WMM enabled. Legacy applications that do not support

WMM, and applications that do not require QoS, are assigned to the best effort category, which

receives a lower priority than voice and video.

WMM QoS is enabled by default. You can disable it in the QoS Setup screen, shown in

Figure 5-6

on page 5-15

, by clearing the

Enable WMM

check box and clicking

Apply

Configuring QoS for Internet Access

You can give prioritized Internet access to the following types of traffic:

Figure 5-6