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Page 36 / 168 Scroll up to view Page 31 - 35
Specify Your Internet Settings
36
Nighthawk
X6 AC3200
Tri-Band
WiFi
Router
This setting specifies how the router assigns IPv6 addresses to the devices on your home
network (the LAN).
10.
(Optional) Select the
Use This Interface ID
check box and specify the interface ID to be
used for the IPv6 address of the router’s LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC
address.
11.
Click the
Apply
button.
Your settings are saved.
Change the MTU Size
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 a 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 device with the smallest MTU.
The best MTU setting for NETGEAR equipment is often the default value. In some situations,
changing the value fixes one problem but causes another. Leave the MTU unchanged unless
one of these situations occurs:
•
You experience problems connecting to your ISP or other Internet service, and the
technical support of either the ISP or NETGEAR recommends changing the MTU setting.
These web-based applications might require an MTU change:
-
A secure website that does not open, or displays only part of a web page
-
Yahoo email
-
MSN portal
-
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. For example, you might not be able to access certain
websites, frames within websites, secure login pages, or FTP or POP
servers.
To change the MTU size:
1.
Launch an Internet browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
Page 37 / 168
Specify Your Internet Settings
37
Nighthawk
X6 AC3200
Tri-Band
WiFi
Router
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
5.
In the
MTU Size
field, enter a value from 64 to 1500.
6.
Click the
Apply
button.
Your settings are saved.
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. This setting is typical for connections that do not use
PPPoE or VPN 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.
Page 38 / 168
38
4
4.
Optimize Performance
You can set up the router to optimize performance for applications such as multiplayer gaming,
peer-to-peer connections, or real-time communications such as instant messaging or remote
assistance (a feature in Windows XP). By default, the router uses Wi-Fi Multimedia Quality of
Service (WMM QoS).
This chapter contains the following sections:
•
Improve Network Connections with Universal Plug and Play
•
Wi-Fi Multimedia Quality of Service
Page 39 / 168
Optimize Performance
39
Nighthawk
X6 AC3200
Tri-Band
WiFi
Router
Improve Network Connections with Universal Plug and
Play
Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers,
access the network and connect to other devices as needed. UPnP devices can
automatically discover the services from other registered UPnP devices on the network.
If you use applications such as multiplayer gaming, peer-to-peer connections, or real-time
communications such as instant messaging or remote assistance (a feature in Windows XP),
enable UPnP.
To enable Universal Plug and Play:
1.
Launch an Internet browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Advanced Setup >
UPnP
.
The UPnP screen displays.
5.
Select the
Turn UPnP On
check box.
By default, this check box is selected. UPnP for automatic device configuration can be
enabled or disabled. If the
Turn UPnP On
check box is cleared, the router does not allow
any device to automatically control router resources, such as port forwarding.
6.
Type the advertisement period in minutes.
The advertisement period specifies how often the router broadcasts its UPnP information.
This value can range from 1 to 1440 minutes. The default period is 30 minutes. Shorter
durations ensure that control points have current device status at the expense of more
network traffic. Longer durations can compromise the freshness of the device status but
can significantly reduce network traffic.
7.
Type the advertisement time to live in hops.
The time to live for the advertisement is measured in hops (steps) for each UPnP packet
sent. Hops are the steps a packet takes between routers. The number of hops can range
from 1 to 255. The default value for the advertisement time to live is 4 hops, which should
be fine for most home networks. If you notice that some devices are not being updated or
reached correctly, it might be necessary to increase this value.
8.
Click the
Apply
button.
Page 40 / 168
Optimize Performance
40
Nighthawk
X6 AC3200
Tri-Band
WiFi
Router
The UPnP Portmap Table displays the IP address of each UPnP device that is accessing
the router and which ports (internal and external) that device opened. The UPnP Portmap
Table also displays what type of port is open and whether that port is still active for each
IP address.
To refresh the information in the UPnP Portmap Table, click the
Refresh
button.
Wi-Fi Multimedia Quality of Service
Wi-Fi Multimedia Quality of Service (WMM QoS) prioritizes wireless voice and video traffic
over the WiFi link. WMM QoS is automatically enabled for the router.
WMM QoS prioritizes 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 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.
To disable WMM QoS:
1.
Launch an Internet browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > QoS Setup
.
The QoS Setup screen displays.
5.
Clear the
Enable WMM (Wi-Fi multimedia) settings (2.4 GHz b/g/n)
check box.
6.
Clear the
Enable WMM (Wi-Fi multimedia) settings (5 GHz b/g/n)
check box.
7.
Clear the
Enable WMM (Wi-Fi multimedia) settings Second Radio (5 GHz b/g/n)
check
box.
8.
Click the
Apply
button.
Your changes are saved.

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