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Genie Advanced Home
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N600 Wireless Dual Band Gigabit Router WNDRMAC
-
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, or FTP or POP servers.
If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are
willing to experiment, you can gradually reduce the MTU from the maximum value of 1500
until the problem goes away. The following table describes common MTU sizes and
applications.
Table 2.
Common MTU Sizes
MTU
Application
1500
The largest Ethernet packet size and the default value. This is the typical setting for
non-PPPoE, non-VPN connections, and is the default value for NETGEAR routers,
adapters, and switches.
1492
Used in PPPoE environments.
1472
Maximum size to use for pinging. (Larger packets are fragmented.)
1468
Used in some DHCP environments.
1460
Usable by AOL if you do not have large email attachments, for example.
1436
Used in PPTP environments or with VPN.
1400
Maximum size for AOL DSL.
576
Typical value to connect to dial-up ISPs.
To change the MTU size:
1.
Select
Advanced > Setup > WAN Setup
.
2.
In the MTU Size field, enter a new size between 64 and 1500.
3.
Click
Apply
to save the settings.
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Genie Advanced Home
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N600 Wireless Dual Band Gigabit Router WNDRMAC
LAN Setup
The LAN Setup screen allows configuration of LAN IP services such as Dynamic Host
Configuration Protocol (DHCP) and Routing Information Protocol (RIP).
The router is shipped preconfigured to use private IP addresses on the LAN side and to act
as a DHCP server. The router’s default LAN IP configuration is:
LAN IP address:
192.168.1.1
Subnet mask:
255.255.255.0
These addresses are part of the designated private address range for use in private networks
and should be suitable for 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.
To change the LAN settings:
Note:
If you change the LAN IP address of the router while connected
through the browser, you will be disconnected. You will have to open
a new connection to the new IP address and log in again.
1.
Select
Advanced > Setup > LAN Setup
to display the following screen:
2.
Enter the settings that you want to customize. These settings are described in the following
section,
LAN Setup Screen Settings
.
3.
Click
Apply
to save your changes.
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Genie Advanced Home
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N600 Wireless Dual Band Gigabit Router WNDRMAC
LAN Setup Screen Settings
LAN TCP/IP Setup
IP Address
. The LAN IP address of the router.
IP Subnet Mask
. The LAN subnet mask of the 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 router.
RIP Direction
. Router Information Protocol (RIP) allows a router to exchange routing
information with other routers. This setting controls how the router sends and recieves
RIP packets. Both is the default setting. With the Both or Out Only setting, the router
broadcasts its routing table periodically. With the Both or In Only setting, the router
incorporates the RIP information that it receives.
RIP Version
. This controls the format and the broadcasting method of the RIP packets
that the router sends. It recognizes both formats when receiving. By default, the RIP
function is disabled.
RIP-1
is universally supported. It is adequate for most networks, unless you have an
unusual network setup.
RIP-2
carries more information. Both RIP-2B and RIP-2M send the routing data in RIP-2
format. RIP-2B uses subnet broadcasting. RIP-2M uses multicasting.
Use Router as a DHCP Server
This check box is usually selected so that the router functions as a Dynamic Host
Configuration Protocol (DHCP) server.
Starting IP Address
. Specify the start of the range for the pool of IP addresses in the
same subnet as the router.
Ending IP Address
. Specify the end of the range for the pool of IP addresses in the
same subnet as the router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer receives
the same IP address each time it accesses the router’s DHCP server. Assign reserved IP
addresses to servers that require permanent IP settings.
Use the Router as a DHCP Server
By default, the router functions as a DHCP server, allowing it to assign IP, DNS server, and
default gateway addresses to all computers connected to the router’s LAN. The assigned
default gateway address is the LAN address of the router. The router assigns IP addresses to
the attached computers 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 router are satisfactory.
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N600 Wireless Dual Band Gigabit Router WNDRMAC
You can specify the pool of IP addresses to be assigned by setting the starting IP address
and ending IP address. These addresses should be part of the same IP address subnet as
the router’s LAN IP address. Using the default addressing scheme, you should define a
range between 192.168.1.2 and 192.168.1.254, although you might want to save part of the
range for devices with fixed addresses.
The router delivers the following parameters to any LAN device that requests DHCP:
An IP address from the range you have defined
Subnet mask
Gateway IP address (the router’s LAN IP address)
Primary DNS server (if you entered a primary DNS address in the Internet Setup screen;
otherwise, the router’s LAN IP address)
Secondary DNS server (if you entered a secondary DNS address in the Internet Setup
screen)
To use another device on your network as the DHCP server, or to manually configure the
network settings of all of your computers, clear the
Use Router as DHCP Server
check box
and click
Apply
. Otherwise, leave this check box selected. If this service is not enabled and
no other DHCP server is available on your network, you need to set your computers’ IP
addresses manually or they will not be able to access the router.
Address Reservation
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 router’s DHCP server. Reserved IP
addresses should be assigned to computers or servers that require permanent IP settings.
To reserve an IP address:
1.
In the Address Reservation section of the screen, 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 router’s LAN subnet, such as 192.168.1.x.)
3.
Type the MAC address of the computer or server.
Tip:
If the computer is already on your network, you can copy its MAC
address from the Attached Devices screen and paste it here.
4.
Click
Apply
to enter the reserved address into the table.
The reserved address is not assigned until the next time the computer contacts the
router’s DHCP server. Reboot the computer or access its IP configuration and force a
DHCP release and renew.
To edit or delete a reserved address entry, select the radio button next to the reserved
address you want to edit or delete. Then click
Edit
or
Delete
.
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Genie Advanced Home
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N600 Wireless Dual Band Gigabit Router WNDRMAC
Quality of Service (QoS) Setup
QoS is an advanced feature that can be used to prioritize some types of traffic ahead of
others. The WNDRMAC router can provide QoS prioritization over the wireless link and on
the Internet connection. To configure QoS, use the QoS Setup screen.
Select
Advanced > Setup > QoS Setup
to display the following screen:
Enable WMM QoS for Wireless Multimedia Applications
The WNDRMAC 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.
WMM QoS is enabled by default. You can disable it in the QoS Setup screen by clearing the
Enable WMM
check box and clicking
Apply
.
Set Up QoS for Internet Access
You can give prioritized Internet access to the following types of traffic:
Specific applications
Specific online games
Individual Ethernet LAN ports of the router
A specific device by MAC address
To specify prioritization of traffic, you have to create a policy for the type of traffic and add the
policy to the QoS Policy table in the QoS Setup screen. For convenience, the QoS Policy
table lists many common applications and online games that can benefit from QoS handling.
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