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Chapter 5: Configuring the Wireless-N ADSL2+ Gateway
The Applications and Gaming Tab
Wireless-N ADSL2+ Gateway
The Port Triggering Tab
Port Triggering is used for special applications that can request a port to be opened on demand. For this feature,
the Gateway will watch outgoing data for specific port numbers. The Gateway will remember the IP address of the
computer that sends a transmission requesting data, so that when the requested data returns through the
Gateway, the data is pulled back to the proper computer by way of IP address and port mapping rules.
Port Range Triggering
Application. Enter the name you wish to give each application.
Triggered Range. Enter the starting and ending port numbers of the Triggered Range.
Forwarded Range. Enter the starting and ending port numbers of the Forwarded Range.
Enabled. Click the
Enabled
checkbox to enable port triggering for the chosen application.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes. Click
Help
for more information.
Figure 5-30: Port Triggering
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36
Chapter 5: Configuring the Wireless-N ADSL2+ Gateway
The Applications and Gaming Tab
Wireless-N ADSL2+ Gateway
The DMZ Tab
The
DMZ
screen allows one local user to be exposed to the Internet for use of a special-purpose service such as
Internet gaming and videoconferencing through DMZ Hosting. DMZ hosting forwards all the ports for one
computer at the same time, which differs from Port Range Forwarding, which can only forward a maximum of
10 ranges of ports.
DMZ
DMZ Hosting. This feature allows one local user to be exposed to the Internet for use of a special-purpose
service such as Internet gaming and videoconferencing. To use this feature, select
Enable
. To disable DMZ,
select
Disable
.
DMZ Host IP Address. To expose one computer, enter the computer’s IP address. To get the IP address of a
computer, refer to “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.”
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes. Click
Help
for more information.
Figure 5-31: DMZ
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37
Chapter 5: Configuring the Wireless-N ADSL2+ Gateway
The Applications and Gaming Tab
Wireless-N ADSL2+ Gateway
The QoS Tab
QoS (Quality of Service)
QoS ensures better service to high-priority types of network traffic, which may involve demanding, real-time
applications, such as Internet phone calls or videoconferencing.
Wireless
ACK Mode
. This setting prioritizes QoS for users who also have ACK Mode enabled. Users with Immediate
ACK (the default setting) will experience reliable connectivity for normal network use. Burst ACK is faster but
less reliable and may also affect long-range wireless performance. The No ACK setting disables the ACK
feature. Clients utilizing ACK must have their wireless adapter on the same setting as the Gateway. This is
normally used in a multicast broadcast like video. Do not use this unless you are an advanced user.
802.11e/QoS
. QoS will be enabled by default to provide the best performance for your wireless connection.
Select
Disable
to improve performance for a mixed wireless network.
Internet Access Priority
In this section, you can set priority based on Application, Port Range, or MAC Address. There are four priories you
can set: High, Medium, Normal, or Low.
Enabled/Disabled. To limit outgoing bandwidth for the QoS policies in use, select
Enabled
. Otherwise, select
Disabled
.
Set Internet Bandwidth. This setting allows you to limit the outgoing bandwidth for the QoS policies in use, so
you can control how much bandwidth a particular application is allowed to use. Enter the bandwidth in the
field.
Application. With this option you can select
None
,
Online Game
,
MSN Messenger
,
YAHOO Messenger
,
Skype
,
Voice Device,
Add a New Application
, or select from the list of applications you want to set. To
create a new entry, select
Add a New Application
, and refer to the
Add a New Application
section.
Priority. Select
High
,
Medium
,
Normal
, or
Low
for the bandwidth priority you need for the application you
selected. Don’t set all applications to High, because this will defeat the purpose of allocating the available
bandwidth. If you want to select below normal bandwidth, select
Low
. Depending on the application, a few
attempts may be needed to set the appropriate bandwidth priority. Once you have made your selection, click
Add
to add to the Summary list.
Figure 5-32: QoS
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Chapter 5: Configuring the Wireless-N ADSL2+ Gateway
The Applications and Gaming Tab
Wireless-N ADSL2+ Gateway
Online Game
Select a Game
Select a game from the drop-down menu, which lists some common pre-configured games.
Priority
Select its priority from the drop-down menu, and click
Add
.
MSN Messenger
Select its priority from the drop-down menu, and click
Add
.
YAHOO Messenger
Select its priority from the drop-down menu, and click
Add
.
Skype
Select its priority from the drop-down menu, and click
Add
.
Voice Device
Enter a Name
Enter the name of your network device.
MAC Address
Enter its MAC Address.
Priority
Select its priority from the drop-down menu, and click
Add
.
Add a New Application
Enter a Name
Enter any name to indicate the name of the entry.
Category
Select from
Port Range
or
MAC Address
for the Gateway to use to set the bandwidth priority.
Port Range
If you selected Port Range, then this category will be available. It allows you to enter the port
range(s) that the application will be using. For example, if you want to allocate bandwidth for
FTP, you can enter 21-21. If you need services for an application that uses from 1000 to 1250,
you enter 1000-1250 as your settings. Port numbers can range from 1 to 65535. Check your
application's documentation for details on the service ports used.
You can define up to three ranges for this bandwidth allocation. For each port range, designate
the protocol type(s):
TCP
,
UDP
, or
Both
.
MAC Address
If you selected MAC Address, then this category will be available. Enter the 12 hexadecimal
digit MAC Address to represent the device you want to set as a bandwidth priority. This is a
Figure 5-34: QoS - MSN Messenger
Figure 5-37: QoS - Voice Device
Figure 5-38: QoS - Add a New Application (Port Range)
Figure 5-33: QoS - Online Game
Figure 5-36: QoS - Skype
Figure 5-35: QoS - YAHOO Messenger
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Chapter 5: Configuring the Wireless-N ADSL2+ Gateway
The Applications and Gaming Tab
Wireless-N ADSL2+ Gateway
unique identifier for your network device. When the Gateway identifies the device entered, the
Gateway will allocate the priority set for that entry. Check the device’s documentation to obtain
the MAC Address.
Priority
Select the bandwidth priority for the application you selected. Select
High
,
Medium
,
Normal
,
or
Low
for the bandwidth, but don’t set all applications to High. Once you have made your
selection, click
Add
to add to the Summary list.
Summary
Priority
This displays the bandwidth allocation priority of High, Medium, Normal, or Low, that you set
for the application.
Name
This displays the application name or the entries you entered to be allocated.
Information
This displays the Port Range or MAC Address entered when you added a new application. If a
pre-configured application was selected, there will be no valid entry shown in this section.
Remove
This button allows you to remove the application entry. To remove the entry, click the
Remove
button. To save the configuration, click the
Save Settings
button. Otherwise, to cancel, click
the
Cancel Changes
button.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes. Click
Help
for more information.
Figure 5-39: QoS - Add a New Application (MAC Address)

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