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Page 106 / 125 Scroll up to view Page 101 - 105
Advanced Settings
106
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.
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.
•
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.
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Advanced Settings
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N750 Wireless Dual Band Gigabit Router WNDR4300
To turn on Universal Plug and Play:
1.
Select
Advanced > Advanced Setup >
UPnP
. The UPnP screen displays.
2.
Select the setting that you want to use.
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.
Page 108 / 125
Advanced Settings
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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 and the
router does expect to receive such a packet, or the packet is not in the connection record, the
Page 109 / 125
Advanced Settings
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N750 Wireless Dual Band Gigabit Router WNDR4300
router blocks this packet. This 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
108.
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Advanced Settings
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N750 Wireless Dual Band Gigabit Router WNDR4300
6to4 Tunnel
In the IPv6 screen, when you select
6to4 Tunnel
from the drop-down list, the following
screen displays.
The following fields are included in this screen:
Remote 6to4 Relay Router
. The remote relay router to which your router creates the 6to4
tunnel. If your ISP provides the address of its own relay router, you can put it here. You can
also leave it as Auto and the router uses any remote relay router that is available. The 6to4
tunnel connection needs the IPv4 Internet connection to be working first.
The other settings are the same as Auto Detect mode. See
IPv6 LAN Setup
and
IPv6
Filtering
on page
108
Pass Through
In this mode, the router works as a layer 2 Ethernet switch with 2 ports (LAN and WAN
Ethernet ports) for IPv6 packets. The router does not process any IPv6header packets.

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