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NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
5-16
Fine-Tuning Your Network
v2.1, July 2007
Using WMM QoS for Wireless Multimedia Applications
The WNR834B router supports Wi-Fi Multimedia Quality of Service (WMM QoS) to prioritize
wireless voice and video traffic over the wireless link. WMM QoS is a feature that 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, and can be disabled in the QoS Setup menu, shown in
Figure 5-
6 on page 5-15
by clearing the Enable WMM checkbox and clicking Apply.
Configuring QoS for Internet Access
You can give prioritized Internet access to:
•
traffic for specific applications
•
traffic for specific online games
•
traffic on individual Ethernet LAN ports of the router
•
traffic from a specific device by MAC address.
To specify prioritization of traffic, you must create a policy for the type of traffic and add the
policy to the QoS Policy table in the QoS Setup menu. For convenience, the QoS Policy table lists
many common applications and online games that can benefit from QoS handling.
QoS for Applications and Online Gaming
To create a QoS policy for Applications and Online Games, follow these steps:
1.
Open the QoS Setup menu, shown in
Figure 5-6 on page 5-15
.
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NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
Fine-Tuning Your Network
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v2.1, July 2007
2.
Click Add Priority Rule. The QoS Priority Rules menu opens.
3.
For the Priority Category, select either Applications or Online Gaming. In either case, a list of
predefined applications or games will appear in the Applications drop-down list.
4.
From the Applications drop-down list, you can select an existing item or you can scroll to the
bottom of the list and select Add a New Application or Add a New Game.
a.
If you chose to add a new entry, the menu will expand as shown:
b.
In QoS Policy for, enter a descriptive name for the new application or game.
c.
Select the packet type, either TCP or UDP or both (TCP/UDP), and specify the port
number or range of port numbers used by the application or game.
Figure 5-7
Figure 5-8
Page 88 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
5-18
Fine-Tuning Your Network
v2.1, July 2007
5.
From the Priority drop-down list, select the priority that this traffic should receive relative to
other applications and traffic when accessing the Internet. The options are Low, Normal, High,
and Highest.
6.
Click Apply to save this rule to the QoS Policy list and return to the QoS Setup menu.
7.
In the QoS Setup menu, select the checkbox for Turn Internet Access QoS On.
8.
Click Apply.
QoS for a Router LAN Port
To create a QoS policy for a device connected to one of the router’s LAN ports, follow these steps:
1.
Open the QoS Setup menu, shown in
Figure 5-6 on page 5-15
.
2.
Click Add Priority Rule.
3.
From the Priority Category list, select Ethernet LAN Port. The QoS Priority Rules menu
changes:
4.
From the LAN port list, select the LAN port that will have a QoS policy.
5.
From the Priority drop-down list, select the priority that this port’s traffic should receive
relative to other applications and traffic when accessing the Internet. The options are Low,
Normal, High, and Highest.
6.
Click Apply to save this rule to the QoS Policy list and return to the QoS Setup menu.
7.
In the QoS Setup menu, select the checkbox for Turn Internet Access QoS On.
8.
Click Apply.
Figure 5-9
Page 89 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
Fine-Tuning Your Network
5-19
v2.1, July 2007
QoS for a MAC Address
To create a QoS policy for traffic from a specific MAC address, follow these steps:
1.
Open the QoS Setup menu, shown in
Figure 5-6 on page 5-15
.
2.
Click Add Priority Rule.
3.
From the Priority Category list, select MAC Address. The QoS Priority Rules menu changes:
4.
If the device to be prioritized appears in the MAC Device List, select it. The information from
the MAC Device List will be used to populate the policy name, MAC Address, and Device
Name fields. If the device does not appear in the MAC Device List, click Refresh. If it still
does not appear, you must complete these fields manually.
5.
From the Priority drop-down list, select the priority that this device’s traffic should receive
relative to other applications and traffic when accessing the Internet. The options are Low,
Normal, High, and Highest.
6.
Click Apply to save this rule to the QoS Policy list and return to the QoS Setup menu.
7.
In the QoS Setup menu, select the checkbox for Turn Internet Access QoS On.
8.
Click Apply.
Editing or Deleting an Existing QoS Policy
To edit or delete an existing QoS policy, follow these steps:
Figure 5-10
Page 90 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
5-20
Fine-Tuning Your Network
v2.1, July 2007
1.
Open the QoS Setup menu, shown in
Figure 5-6 on page 5-15
.
2.
Select the radio button next to the QoS policy to be edited or deleted.
3.
Click Delete to remove the QoS policy.
4.
Click Edit to edit the QoS policy. Follow the instructions in the preceding sections to change
the policy settings.
5.
Click Apply in the QoS Setup menu to save your changes.
Changing the MTU
The Maximum Transmission Unit (MTU) is the largest data packet a network device transmits.
When one network device communicates across the Internet with another, the data packets travel
through many devices along the way. If any device in the data path has a lower MTU setting than
the other devices, the data packets must be split or “fragmented” to accommodate the one with the
smallest MTU.
The best MTU setting for NETGEAR equipment is often just the default value, and changing the
value may fix one problem but cause another. Leave MTU unchanged unless:
•
You have problems connecting to your ISP, or other Internet service, and either the technical
support of the ISP or of NETGEAR recommends changing MTU. These may require an MTU
change:
–
A secure Web site that won't open, or only displays part of a Web page
–
Yahoo email
–
MSN
–
America Online's DSL service
•
You use VPN and have severe performance problems.
•
You used a program to optimize MTU for performance reasons, and now you have
connectivity or performance problems.
Note:
An incorrect MTU setting can cause Internet communication problems such as the
inability to access certain Web sites, frames within Web sites, secure login pages,
FTP or POP servers.

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