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Chapter 7.
Advanced Settings
N300 Wireless ADSL2+ Modem Router DGN2200
If your ISP assigns a private WAN IP address such as 192.168.x.x or 10.x.x.x, the
Dynamic DNS service does not work because private addresses are not routed on the
Internet.
LAN Setup
The LAN Setup screen allows configuration of LAN IP services such as DHCP and Routing
Information Protocol (RIP). The modem router is shipped preconfigured to use private IP
addresses on the LAN side and to act as a DHCP server. The modem router’s default LAN IP
configuration is as follows:
•
LAN IP address
•
Subnet mask
. 255.255.255.0
These addresses are part of the private address range designated by the Internet
Engineering Task Force (IETF
) for use in private networks, and should be
suitable in most applications. If your network has a requirement to use a different IP
addressing scheme, you can make those changes in the LAN Setup screen.
Note:
If you change the LAN IP address of the modem router while
connected through the browser, you are disconnected. To reconnect,
open a new connection to the new IP address and log in.
To change the LAN settings:
1.
Select
Advanced >
LAN Setup
.
2.
Enter the LAN Setup configuration and click
Apply
to save your changes.
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Chapter 7.
Advanced Settings
|
77
N300 Wireless ADSL2+ Modem Router DGN2200
LAN Setup Screen Settings
•
IP Address
. The LAN IP address of the modem router.
•
IP Subnet Mask
. The LAN subnet mask of the modem router. Combined with the IP
address, the IP subnet mask allows a device to know which other addresses are local to
it, and which have to be reached through a gateway or modem router.
•
Use Router as DHCP Server
. By default, the modem router is a Dynamic Host
Configuration Protocol (DHCP) server, allowing it to assign IP, DNS server, and default
gateway addresses to all computers connected to the modem router’s LAN. The
assigned default gateway address is the LAN address of the modem router. IP addresses
are assigned to the attached PCs from a pool of addresses specified in this screen. Each
pool address is tested before it is assigned to avoid duplicate addresses on the LAN.
For most applications, the default DHCP and TCP/IP settings of the modem router are
satisfactory.
•
Reserved IP Addresses Setup
. When you specify a reserved IP address for a computer
on the LAN, that computer always receives the same IP address each time it accesses
the modem router’s DHCP server. Reserved IP addresses should be assigned to servers
that require permanent IP settings.
IP Address Reservation
To reserve an IP address:
1.
Select
Advanced > LAN Setup
and click the
Add
button.
2.
In the IP Address field, type the IP address to assign to the computer or server. Choose an
IP
address from the modem router’s LAN subnet, such as 192.168.0.x.
3.
Type the MAC address of the computer or server.
Tip:
If the computer is already on your network, copy its MAC address from
the Attached Devices screen and paste it here.
4.
Click
Apply
to enter the reserved address into the table.
Note:
The reserved address is not assigned until the next time the computer
contacts the modem router’s DHCP server. Reboot the computer or access its
IP configuration to force a DHCP release and renew.
To edit or delete a reserved address entry:
1.
Select the radio button next to the reserved address that you want to edit or delete.
2.
Click
Edit
or
Delete
.
Page 78 / 167
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|
Chapter 7.
Advanced Settings
N300 Wireless ADSL2+ Modem Router DGN2200
Quality of Service (QoS)
Quality of Service (QoS) is an advanced feature that can be used to prioritize some types of
traffic ahead of others. The modem router can provide QoS prioritization over the wireless
link and on the Internet connection.
The modem 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 have to have 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.
QoS for Internet Access
To specify prioritization of traffic, you need to add or create a policy for the type of traffic.
1.
Select
Advanced > QoS Setup
.
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Chapter 7.
Advanced Settings
|
79
N300 Wireless ADSL2+ Modem Router DGN2200
2.
Click
Setup QoS rule
. The QoS Priority Rule list displays:
3.
To change a rule, select its radio button, scroll down and click
Edit
.
4.
To add a custom rule, click
Add Priority Rule
.
5.
Click
Apply
to save your changes and return to the QoS Setup screen.
6.
In the QoS Setup screen, click
Apply
.
Advanced Wireless Settings
To view or change advanced wireless settings:
1.
Select
Advanced > Wireless Settings
to display the following screen:
Page 80 / 167
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|
Chapter 7.
Advanced Settings
N300 Wireless ADSL2+ Modem Router DGN2200
Note:
The advanced WPS settings section is not displayed if you selected
WEP as the security option.
2.
If you make changes, click
Apply
. Note that the WLAN settings come from the settings you
made in the Wireless Settings screen (see
Wireless Settings Screen
on page
33).
Advanced Wireless Settings
•
Enable Wireless Router Radio
. When this check box is selected, the modem router
works as an access point broadcasting a wireless signal.
•
Fragmentation Length.
•
CTS/RTS Threshold
.
•
Preamble Mode
.
WPS Settings
Router’s PIN
. The PIN number that you use on a registrar (for example, from the Network
Explorer on a Vista Windows PC) to configure the modem router’s wireless settings through
WPS. You can also find the PIN on the modem router label.
The PIN function might temporarily be disabled when the modem router detects suspicious
attempts to break into the modem router’s wireless settings by using the modem router’s PIN
through WPS. You can manually enable the PIN function by clearing the Disable Router’s
PIN check box.
Keep Existing Wireless Settings
. By default, the Keep Existing Wireless Settings check
box is selected. This allows the modem router to keep the same SSID and wireless security
settings when WPS-enabled devices are added to the network.
If the Keep Existing Wireless Settings check box is not selected, the next time you use WPS
to connect WPS-capable devices to your wireless network, the modem router generates a
new random SSID and WPA/WPA2 passphrase. NETGEAR does not recommend this.

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