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Page 36 / 154 Scroll up to view Page 31 - 35
Specify Your Internet Settings
36
N750 WiFi Router
5.
In the
Internet Connection Type
list, select
PPPoE
.
6.
Enter the settings that your service provider gave you.
If your service provider gave you only one user name and password, the service provider
most likely supports dual stack PPPoE (a single ppp session). If the service provider gave
you two user names and passwords for IPv4 and IPv6, then the router must use different
PPP session.
•
To use separate PPP sessions (the default setting), leave the
Use the same Login
information as IPv4 PPPoE
check box cleared and complete the PPP Login and
Password
fields.
•
To use a single PPP session to establish the IPv4 and IPv6 Internet connection, select
the
Use the same Login information as IPv4 PPPoE
check box.
The screen adjusts and the router automatically detects the information in
Router’s
IPv6 Address on WAN
field. Go to
Step
10
.
The
Router’s IPv6 Address on WAN
field shows the IPv6 address that is acquired for
the router’s WAN (or Internet) interface. The number after the slash (/) is the length of the
prefix, which is also indicated by the underline (_) under the IPv6 address. If no address
is acquired, the field displays Not Available.
7.
In the
Login
field, enter the login information for the ISP connection.
This is usually the name that you use in your email address. For example, if your main
mail account is [email protected], you would type JerAB in this field. Some ISPs (like
Mindspring, Earthlink, and T-DSL) require that you use your full email address when you
log in. If your ISP requires your full email address, type it in this field.
8.
In the
Password
field, enter the password for the ISP connection.
9.
In the
Service Name
field, enter a service name.
If your ISP did not provide a service name, leave this field blank.
Page 37 / 154
Specify Your Internet Settings
37
N750 WiFi Router
Note:
The default setting of the
Connection Mode
list is
Always On
to
provide a steady IPv6 connection. The router never terminates the
connection. If the connection is terminated, for example, when the
modem is turned off, the router attempts to reestablish the connection
immediately after the PPPoE connection becomes available again.
10.
To specify domain name server addresses, select the
Use These DNS Servers
radio button
and complete the
Primary DNS
and
Secondary DNS
fields.
11.
Select an IP Address Assignment radio button:
•
Use DHCP Server
. This method passes more information to LAN devices but some
IPv6 systems might not support the DHCv6 client function.
•
Auto Config
. This is the default setting.
This setting specifies how the router assigns IPv6 addresses to the devices on your home
network (the LAN).
12.
To specify the interface ID to be used for the IPv6 address of the router’s LAN interface,
select the
Use This Interface ID
check box.
If you do not specify an ID here, the router generates one automatically from its MAC
address.
13.
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 uses 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 experience severe performance problems.
•
You used a program to optimize MTU for performance reasons and now you are
experiencing connectivity or performance problems.
Page 38 / 154
Specify Your Internet Settings
38
N750 WiFi Router
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 a web 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 > 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
Page 39 / 154
Specify Your Internet Settings
39
N750 WiFi Router
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 send or receive 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 40 / 154
40
4
4.
Optimize Performance
You can set up the router to optimize performance for applications such as Internet gaming,
high-definition video streaming, and VoIP communication. By default, the router uses Wi-Fi
Multimedia Quality of Service (WMM QoS).
This chapter contains the following sections:
•
Optimize Internet Gaming with Upstream QoS
•
Add QoS Rules by Service
•
Improve Network Connections with Universal Plug and Play
•
Wi-Fi Multimedia Quality of Service

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