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Page 31 / 198 Scroll up to view Page 26 - 30
Customize the Internet Settings
31
AC1600 WiFi Cable Modem Router
The following table describes the fields on the Internet Setup page.
Field
Description
Account Name (If Required)
Enter the account name provided by your cable service provider. This
name might also be called the host name. If you do not know or did not
receive an account name, leave the default name, which is the model
number of the modem router.
Domain Name (If Required)
Enter the domain name provided by your cable service provider. If you do
not know the domain name, leave this field blank.
Internet IP Address
Get Dynamically from ISP
Your cable service provider uses DHCP to assign your IP address. Your
cable service provider automatically assigns these addresses.
Use Static IP Address
Enter the IP address, IP subnet mask, and gateway IP address that your
cable service provider assigned to you. The gateway is the provider
gateway to which your modem router connects.
Domain Name Server (DNS) Address
The DNS server is used to look up site addresses based on their names.
Get Dynamically from ISP
Your cable service provider uses DHCP to assign your DNS servers. Your
cable service provider automatically assigns this address.
Use These DNS Servers
If you know that your cable service provider does not automatically transmit
DNS addresses to the modem router during login, select this option, and
enter the IP address of your cable service provider primary DNS server. If
secondary and tertiary DNS server addresses are available, enter these
also.
7.
If you changed the settings, click the
Apply
button.
Your settings are saved.
Page 32 / 198
Customize the Internet Settings
32
AC1600 WiFi Cable Modem Router
Manage the MTU Size
The maximum transmission unit (MTU) is the largest data packet that a network device
transmits.
MTU Concepts
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.
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 4.
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 modem 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.
Page 33 / 198
Customize the Internet Settings
33
AC1600 WiFi Cable Modem Router
1436
Used in PPTP environments or with VPN.
1400
Maximum size for AOL DSL.
Table 4.
Common MTU sizes (continued)
MTU
Application
Page 34 / 198
Customize the Internet Settings
34
AC1600 WiFi Cable Modem Router
Change the MTU Size
WARNING:
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. Change the MTU only if you are sure that it is
necessary for your ISP connection.
To change the MTU size:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
6.
In the
MTU Size
field, enter a value from 256 to 1500.
The default value is 1500.
7.
Click the
Apply
button.
Your settings are saved.
Page 35 / 198
35
4
4.
Manage the Basic WiFi Network
Settings
This chapter describes how to configure the basic settings for the main WiFi network and guest
WiFi network and how to use the WPS wizard.
This chapter contains the following sections:
•
Manage the Basic WiFi Settings and WiFi Security of the Main Network
•
Use the WPS Wizard to Add a Device to the WiFi Network
•
Manage the Basic WiFi Settings and WiFi Security of the Guest Network
Note:
For information about the managing the advanced WiFi settings, see
Chapter 11, Manage the Advanced WiFi Network Settings
.

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