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Chapter 3
Advanced Configuration
24
Wireless-N ADSL2+ Gateway
Applications and Gaming > DMZ
The DMZ feature allows one network computer to be
exposed to the Internet for use of a special-purpose
service such as Internet gaming or videoconferencing.
DMZ hosting forwards all the ports at the same time to
one PC. The Port Range Forwarding feature is more secure
because it only opens the ports you want to have opened,
while DMZ hosting opens all the ports of one computer,
exposing the computer to the Internet.
Applications and Gaming > DMZ
DMZ
Any computer whose port is being forwarded must have
its DHCP client function disabled and should have a new
static IP address assigned to it because its IP address may
change when using the DHCP function.
DMZ Hosting To disable DMZ hosting, keep the default,
Disable. To expose one PC, select Enable. Then configure
the following setting:
DMZ Host IP Address Enter the IP address of the
computer.
Click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes.
Applications and Gaming > QoS
Quality of Service (QoS) ensures better service to
high-priority types of network traffic, which may
involve demanding, real-time applications, such as
videoconferencing.
Applications and Gaming > QoS
Wireless
The Gateway features Wi-Fi Multimedia (WMM™) Support.
The No Acknowledgement feature is available only when
the WMM Support feature is enabled.
WMM Support Wi-Fi Multimedia is a QoS feature defined
by WiFi Alliance before IEEE 802.11e was finalized. Now it
is part of IEEE 802.11e. When it is enabled, it provides four
priority queues for different types of traffic. It automatically
maps the incoming packets to the appropriate queues
based on QoS settings (in IP or layer 2 header). WMM
provides the capability to prioritize traffic in your
environment. If you have other devices on your network
that support WMM, keep the default, Enabled. Otherwise,
select Disabled.
No ACK If you want to disable the Gateway’s
Acknowledgement feature, so the Gateway will not re-
send data if an error occurs, then keep the default, Enabled.
Otherwise, select Disabled.
Internet Access Priority
In this section, you can set the bandwidth priority for a
variety of applications and devices. There are four levels
priority: High, Medium, Normal, or Low. When you set
priority, do not 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.
Enabled/Disabled To use the QoS policies you have set,
select Enabled. Otherwise, select Disabled.
Category
The following categories are available: Applications,
Online Games, MAC Address, Ethernet Port, or Voice
Device. Proceed to the instructions for your selection.