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Advanced Settings
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N750 Wireless Dual Band Gigabit Router WNDR4300
Remote Management
The remote management feature lets you upgrade or check the status of your WNDR4300
router over the Internet.
To set up remote management:
1.
Select
Advanced > Advanced Setup > Remote Management
.
Note:
Be sure to change the router’s default login password to a secure
password. The ideal password contains no dictionary words from any language
and contains uppercase and lowercase letters, numbers, and symbols. It can
be up to 30 characters.
2.
Select the
Turn Remote Management On
check box.
3.
Under Allow Remote Access By, specify the external IP addresses to be allowed to access
the router’s remote management.
For enhanced security, restrict access to as few external IP addresses as practical.
To allow access from a single IP address on the Internet, select
Only This Computer
.
Enter the IP address that will be allowed access.
To allow access from a range of IP addresses on the Internet, select
IP Address
Range
. Enter a beginning and ending IP address to define the allowed range.
To allow access from any IP address on the Internet, select
Everyone
.
4.
Specify the port number for accessing the management interface.
Normal web browser access uses the standard HTTP service port 80. For greater
security, enter a custom port number for the remote web management interface. Choose
a number from 1024 to 65535, but do not use the number of any common service port.
The default is 8443, which is a common alternate for HTTPS.
5.
Click
Apply
to have your changes take effect.
6.
When accessing your router from the Internet, type your router’s WAN IP address into your
browser’s address or location field followed by a colon (:) and the custom port number. For
example, if your external address is 134.177.0.123 and you use port number 8443, enter
in your browser.
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N750 Wireless Dual Band Gigabit Router WNDR4300
USB Settings
For added security, the router can be set up to share only approved USB devices. See
Specify Approved USB Devices
on page
54 for the procedure.
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),
you should enable UPnP.
To turn on Universal Plug and Play:
1.
Select
Advanced > Advanced Setup >
UPnP
. The UPnP screen displays.
2.
The available settings and information in this screen are:
Turn UPnP On
.
UPnP can be enabled or disabled for automatic device configuration.
The default setting for UPnP is disabled. If this check box is not selected, the router does
not allow any device to automatically control the resources, such as port forwarding
(mapping), of the router.
Advertisement Period
.
The advertisement period is 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 additional network traffic. Longer durations can compromise the freshness of
the device status, but can significantly reduce network traffic.
Advertisement Time to Live
.
The time to live for the advertisement is measured in hops
(steps) for each UPnP packet sent. The time to live hop count is the number of steps a
broadcast packet is allowed to propagate for each UPnP advertisement before it
disappears. The number of hops can range from 1 to 255. The default value for the
advertisement time to live is 4 hops, which is fine for most home networks. If you notice
that some devices are not being updated or reached correctly, then it might be necessary
to increase this value.
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N750 Wireless Dual Band Gigabit Router WNDR4300
UPnP Portmap Table
.
The UPnP Portmap Table displays the IP address of each UPnP
device that is currently accessing the router and which ports (internal and external) that
device has opened. The UPnP Portmap Table also displays what type of port is open and
whether that port is still active for each IP address.
3.
Click
Apply
to save your settings.
IPv6
You can use this feature to set up an IPv6 Internet connection type if genie does not detect it
automatically.
To set up an IPv6 Internet connection type:
1.
Select
Advanced > Advanced Setup > IPv6
to display the following screen:
2.
Select the IPv6 connection type from the list. Your Internet service provider (ISP) can
provide this information.
If your ISP did not provide details, you can select
IPv6 Tunnel
.
If you are not sure, select
Auto Detect
so that the router detects the IPv6 type that is
in use.
If your Internet connection does not use PPPoE, DHCP, or fixed, but is IPv6, select
Auto Config
.
For more detailed information about Internet connection types, see the following
sections.
3.
Click
Apply
so that your changes take effect.
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N750 Wireless Dual Band Gigabit Router WNDR4300
Auto Detect Fields
In the IPv6 screen, when you select Auto Detect from the drop-down list, the following screen
displays.
The Connection Type field indicates the connection type detected. The following fields are
also included in this screen:
IPv6 LAN Setup
Router’s IPv6 Address on WAN
. The IPv6 address acquired for the router’s WAN (or
Internet) interface. The number after the slash (/) is the length of the prefix, which is also
roughly indicated by the underline (_) under the IPv6 address.
Router’s IPv6 Address on LAN
. The IPv6 address acquired for the router’s LAN interface.
The number after the slash (/) is the length of the prefix, which is also roughly indicated by the
underline (_) under the IPv6 address.
IP Address Assignment
. You can select how you want to assign IPv6 address to the
devices on your home network (the LAN). You can select either
DHCP Server
or
Auto
Config
to assign an IPv6 address. Using DHCP Server might pass more information to LAN
devices, but some IPv6 systems might not support the DHCv6 client function. Auto Config is
selected by default.
Use This Interface ID
. You can enable this option and specify the interface ID that you want
for the IPv6 address for the router’s LAN interface. If you do not specify an ID here, the router
generates one automatically from its MAC address.
IPv6 Filtering
When the connection type is not IPv6 Pass Through or Disabled, the router starts the SPI
firewall function on the WAN interface. The router creates connection records and checks
every inbound IPv6 packet. If the inbound packet is not destined to the router itself is
unexpected, or the packet is not in the connection record, the router blocks this packet. This
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N750 Wireless Dual Band Gigabit Router WNDR4300
function has two modes. The default is Secured mode, which checks both TCP and UDP
packets. For Open mode, the checking is applied only to the UDP connection.
Auto Config
In the IPv6 screen, when you select Auto Config from the drop-down list, the following screen
displays.
The following fields are included in this screen:
DHCP User Class
. Most people do not need to fill in this field, but if your ISP has given you a
specific host name, enter it here.
DHCP Domain Name
. This is not needed for most connections. You can type the domain
name of your ISP. For example, if your ISP’s mail server is mail.xxx.yyy.zzz, you would type
xxx.yyy.zzz
as the domain name.
If your ISP provided you with 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.
This is the domain name for the IPv6 connection. Do not enter the domain name for the IPv4
connection here.
The other settings are the same as Auto Detect mode. See
IPv6 LAN Setup
and
IPv6
Filtering
on page
94.

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