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Specify Your Internet Settings
31
AC1200 Smart WiFi Router with External Antennas
5.
In the
Internet Connection Type
list, select
Fixed
.
6.
Configure the fixed IPv6 addresses for the WAN connection:
•
IPv6 Address/Prefix Length
. The IPv6 address and prefix length of the router WAN
interface.
•
Default IPv6 Gateway
. The IPv6 address of the default IPv6 gateway for the router’s
WAN interface.
•
Primary DNS Server
. The primary DNS server that resolves IPv6 domain name
records for the router.
•
Secondary DNS Server
. The secondary DNS server that resolves IPv6 domain
name records for the router.
Note:
If you do not specify the DNS servers, the router uses the DNS servers
that are configured for the IPv4 Internet connection on the Internet
Setup screen. (See
Manually Set Up the Internet Connection
on
page
21.)
7.
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).
8.
In the
IPv6 Address/Prefix Length
fields, specify the static IPv6 address and prefix length
of the router’s LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC
address.
9.
Click the
Apply
button.
Your settings are saved.
Page 32 / 160
Specify Your Internet Settings
32
AC1200 Smart WiFi Router with External Antennas
Set Up an IPv6 DHCP Internet Connection
To set up an IPv6 Internet connection with a DHCP server:
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 > Advanced Setup > IPv6
.
The IPv6 screen displays.
5.
In the
Internet Connection Type
list, select
DHCP
.
The router automatically detects the information in the following fields:
•
Router’s IPv6 Address on WAN
. This 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.
•
Router’s IPv6 Address on LAN
. This field shows the IPv6 address that is acquired
for the router’s LAN 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.
6.
(Optional) In the
User Class (If Required)
field, enter a host name.
Most people can leave this field blank, but if your ISP gave you a specific host name,
enter it here.
7.
(Optional) In the
Domain Name (If Required)
field, enter a domain name.
Page 33 / 160
Specify Your Internet Settings
33
AC1200 Smart WiFi Router with External Antennas
You can type the domain name of your IPv6 ISP. Do not enter the domain name for the
IPv4 ISP here. For example, if your ISP’s mail server is mail.xxx.yyy.zzz, type xxx.yyy.zzz
as the domain name. If your ISP provided a domain name, type it in this field. For
example, Earthlink Cable might require a host name of home, and Comcast sometimes
supplies a domain name.
8.
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).
9.
(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.
10.
Click the
Apply
button.
Your settings are saved.
Set Up an IPv6 PPPoE Internet Connection
To set up a PPPoE IPv6 Internet connection:
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 > Advanced Setup > IPv6
.
The IPv6 screen displays.
Page 34 / 160
Specify Your Internet Settings
34
AC1200 Smart WiFi Router with External Antennas
5.
In the
Internet Connection Type
list, select
PPPoE
.
The router automatically detects the information in the following fields:
•
Router’s IPv6 Address on WAN
. This 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.
•
Router’s IPv6 Address on LAN
. This field shows the IPv6 address that is acquired
for the router’s LAN 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.
6.
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.
7.
In the
Password
field, enter the password for the ISP connection.
8.
In the
Service Name
field, enter a service name.
If your ISP did not provide a service name, leave this field blank.
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.
9.
Select an IP Address Assignment radio button:
Page 35 / 160
Specify Your Internet Settings
35
AC1200 Smart WiFi Router with External Antennas
•
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).
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 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.
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.

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