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Page 36 / 53 Scroll up to view Page 31 - 35
Advanced Settings
36
NETGEAR DOCSIS 3.0 N900 Wireless Data Gateway
To set up a DMZ host:
1.
In the main menu, under Advanced, select
DMZ Host
.
2.
Select the
Respond to Ping on WAN Port
check box.
When you select this check box, the gateway responds to a ping request instead of the
DMZ computer.
For example, some systems tracking the performance of the broadband connections in
terms of latency and packet loss need the gateway to reply to ping requests.
3.
Type the last digits of the IP address in the
DMZ Address
field.
The DMZ host feature is disabled when the last digit is zero.
4.
Click
Apply
.
LAN IP Setup
The LAN IP screen allows you to configure LAN services such as the IP address of the
gateway and DHCP. The TCP/IP and DHCP default values work fine in most cases.
Note:
If you disable the DHCP server, assign to your computer a static IP
address to reconnect to the gateway and enable the DHCP server
again.
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Advanced Settings
37
NETGEAR DOCSIS 3.0 N900 Wireless Data Gateway
To configure LAN IP settings:
1.
In the main menu, under Advanced, select
LAN IP
.
2.
Specify these settings:
•
LAN IP Address
. The factory default
setting is 192.168.0.1.
•
Subnet mask
. The network number
portion of an IP address. Unless you
are implementing subnetting, use
255.255.255.0 as the subnet mask.
•
DHCP Server
. The
Yes
radio button is
selected by default so the gateway acts
as a DHCP server, providing the
TCP/IP configuration for all the
computers connected to it.
If you plan to assign IP addresses
manually, or you have another DHCP
server on your network, select the
No
radio button.
•
Starting IP Address
and
Ending IP
Address
. These fields specify the
range in the IP address pool.
•
Max Users
. The maximum number of
users on the network.
•
DHCP Lease
. For more information,
see
Reserve an IP Address for DHCP
Use
on page
37.
3.
Click
Apply
.
Reserve an IP
Address for DHCP Use
To reserve an IP address for DHCP use, enter the DHCP server reservation settings for the
private LAN in the LAN screen.
To reserve an IP address for DHCP:
1.
In the main menu, under Advanced, select
LAN IP
.
2.
In the DHCP Reservation Lease Info section, enter the MAC address of the computer for
which you want to reserve an IP address.
3.
Enter the permanent IP address for the computer.
4.
Click
Add
to save your settings.
The MAC address and IP address are displayed in the DHCP Client Lease Info table. The
current system time is also displayed.
Page 38 / 53
Advanced Settings
38
NETGEAR DOCSIS 3.0 N900 Wireless Data Gateway
To delete an IP address from the DHCP Client Lease Info table:
1.
In the DHCP Client Lease Info table, select the radio button for the MAC and IP address
that you want to remove.
2.
Click
Delete.
The information for the selected MAC and IP address is removed from the DHCP Client
Lease Info table.
To remove all information from the DHCP Client Lease Info table, click
Clear DHCP
Leases
.
Remote Management
With remote management, you can allow a user or users on the Internet to configure,
upgrade, and check the status of the gateway.
Note:
Use secure passwords if you enable remote management.
Passwords should contain no dictionary words from any language,
and should be a mixture of letters (both uppercase and lowercase),
numbers, and symbols. Your password can be up to 16 characters.
To manage this gateway through the Internet, you need its public IP address, as seen from
the Internet. Your ISP allocates this public IP address. But if your ISP account uses a
dynamic IP address, the address can change each time you connect to your ISP. This
problem has two solutions:
•
Have your ISP allocate you a fixed IP address.
•
Use the DDNS (Dynamic DNS) feature so you can connect using a domain name, rather
than an IP address.
To configure the gateway for remote management:
1.
In the main menu, under Advanced, select
Remote Management
.
Page 39 / 53
Advanced Settings
39
NETGEAR DOCSIS 3.0 N900 Wireless Data Gateway
2.
Select the
Allow Remote Management
check box.
3.
Enter a name in the
Remote User Name field.
To manage the gateway, use this name from the remote computer.
4.
Enter a password in the Remote Password
field.
To access the gateway, use this password from the remote computer.
5.
To access the gateway remotely in your browser when you connect, specify the port
number. To determine the port number:
a.
From a remote location, start a browser.
b.
In the Address or Location field, enter the Internet IP address of this gateway (not
the LAN IP address), followed by a colon and the port number, as follows:
http://
ip_address:pn
|| https://
ip_address:pn
where:
ip_address
is the Internet IP address of this gateway.
pn
is the port number assigned on this screen.
6.
Enter the password for the gateway.
7.
Specify the permitted IP addresses for remote management.
a.
To allow remote management from any originating IP address, select the
ALL IP
Addresses
check box.
NETGEAR strongly recommends not using this option unless it is required.
b.
From the Address Type list, select either
Single Address
or
Address Range
.
c.
Enter the permitted IP addresses.
You can enter a single IP address or up to 16 IP addresses ranges. Each range
begins with a start IP address and finishes with an end IP address in the format of
start IP - end IP.
8.
Click
Apply
.
Configure Universal Plug and Play (UPnP)
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. With
UPnP, you can specify the following:
•
Advertisement period
. Specifies how often the gateway broadcasts its UPnP
information. The default is 30 minutes. Lower numbers ensure that control points
have current device status at the expense of more network traffic. Larger numbers
compromise the freshness of the device status but can significantly reduce network
traffic.
Page 40 / 53
Advanced Settings
40
NETGEAR DOCSIS 3.0 N900 Wireless Data Gateway
•
Advertisement time to live
. The time to live for the advertisement, measured in hops
(steps) for each UPnP packet that is sent. Hops are the steps a packet takes between
routers. The number of hops can range from 1 to 255. The default value for the
advertisement time to live is four hops, which should be fine for most home networks.
If you notice that some devices are not being updated or reached correctly, you might
need to increase this value slightly.
To configure UPnP:
1.
In the main menu, under Advanced, select
UPnP
.
2.
Select the
Turn UPnP On
check box.
By default, this check box is cleared. This
prevents the gateway from allowing any
device to automatically control the
resources, such as port forwarding, of
the gateway.
3.
Complete the Advertisement Period and
Advertisement Time to Live fields.
The UPnP Portmap Table displays the IP
address of each UPnP device that is
accessing the gateway and which
internal and external ports of the gateway
that device opened. The UPnP Portmap Table also displays the protocol for the port that
was opened and if that port is still active for each IP address.
4.
Perform one of the following actions:
•
Click
Apply
to save your settings.
•
Click
Cancel
to disregard any unsaved changes.
•
Click
Refresh
to update the UPnP Portmap Table and to show the active ports that
are currently opened by UPnP devices.
Set Networking Protocols
Network Time Protocol (NTP) is a networking protocol that synchronizes clocks between
computer systems over packet-switched, variable-latency data networks.

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