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Page 26 / 76 Scroll up to view Page 21 - 25
NETGEAR genie Advanced Home
26
WiFi Cable Modem Router C3700
LAN Setup Screen Fields
Use this screen to view or change the LAN setup fields.
LAN TCP/IP Setup
•
IP Address
. The LAN IP address of the modem router.
•
IP Subnet Mask
. The LAN subnet mask of the modem router. When combined with the
IP address, the IP subnet mask allows a device to know the following:
-
Which other addresses are local to it
-
Which other addresses must be reached through a gateway
DHCP IP Pool
•
Starting IP Address
. Specify the start of the range for the pool of IP addresses in the
same subnet as the modem router.
•
Ending IP Address
. Specify the end of the range for the pool of IP addresses in the
same subnet as the modem router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer receives
the same IP address each time it accesses the DHCP server of the modem router. Assign
reserved IP addresses to servers that require permanent IP settings.
Use the Router as a DHCP Server
By default, the modem router functions as a DHCP server. This capability allows the modem
router to assign IP, DNS server, and default gateway addresses to all computers connected
to the LAN that is connected to the modem router. The assigned default gateway address is
the LAN address of the modem router. The modem router assigns IP addresses to the
attached computers from a pool of addresses that are specified in this screen. Each pool
address is tested before it is assigned to avoid duplicate addresses on the LAN. For most
applications, the default DHCP and TCP/IP settings of the modem router are satisfactory.
You can specify the pool of IP addresses that can be assigned by setting the starting IP
address and ending IP address. These addresses are part of the same IP address subnet as
the LAN that is connected to the modem router. Using the default addressing scheme, you
define a range between 192.168.0.2 and 192.168.0.254. You can save part of the range for
devices with fixed addresses.
The modem router delivers the following parameters to any LAN device that requests DHCP:
•
An IP address from the range you have defined
•
Subnet mask
•
Gateway IP address (the LAN IP address of the modem router)
Page 27 / 76
NETGEAR genie Advanced Home
27
WiFi Cable Modem Router C3700
•
Primary DNS server (if you entered a primary DNS address in the Internet Setup screen;
otherwise, the LAN IP address of the modem router)
•
Secondary DNS server (if you entered a secondary DNS address in the Internet Setup
screen)
To use another device on your network as the DHCP server or to configure manually the
network settings of all of your computers, clear the
Use Router as DHCP Server
check box
and click the
Apply
button. Otherwise, leave this check box selected. If this service is not
enabled and no other DHCP server is available on your network, set the IP addresses of your
computer manually or other devices cannot access the modem router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer always
receives the same IP address each time it accesses the DHCP server of the modem router.
Assign reserved IP addresses to computers or servers that require permanent IP settings.
1.
From the Advanced tab, select
Setup > LAN Setup
.
The following screen displays:
Page 28 / 76
NETGEAR genie Advanced Home
28
WiFi Cable Modem Router C3700
2.
Click the
Add
button.
3.
In the IP Address field, type the IP address to assign to the computer or server. (Choose an
IP address from the LAN subnet of the modem router, such as 192.168.0.x.)
4.
Type the MAC address of the computer or server.
Tip:
If the computer is already on your network, copy its MAC address from
the Attached Devices screen and paste it here.
5.
To enter the reserved address into the table, click the
Apply
button.
The reserved address is not assigned until the next time the computer contacts the DHCP
server of the modem router. Reboot the computer or access its IP configuration and force
a DHCP release and renew.
To edit or delete a reserved address entry, select the radio button next to the reserved
address you want to edit or delete. Then click
Edit
or
Delete
.
Page 29 / 76
29
4
4.
Security
Keep unwanted content out of your network
This chapter explains how to prevent objectionable content from reaching the computers and
other devices that are connected to your network.
This chapter includes the following sections:
•
Keyword Blocking of HTTP Traffic
•
Block Services (Port Filtering)
•
Schedule Blocking
Page 30 / 76
Security
30
WiFi Cable Modem Router C3700
Keyword Blocking of HTTP Traffic
Use keyword blocking to prevent certain types of HTTP traffic from accessing your network.
1.
From the Advanced tab, select
Security >
Block Sites
.
2.
Select one of the keyword blocking options:
•
Never
. Turn off keyword blocking.
•
Per Schedule
. Turn on keyword blocking according to the Schedule screen settings.
(See
Schedule Blocking
on page
32.)
•
Always
. Turn on keyword blocking.
3.
In the keyword field, enter a keyword or domain, click
Add URL Keyword,
and click the
Apply
button.
The keyword list supports up to 32 entries. Here are some sample entries:
•
•
Specify .com if you want to allow only sites with domain suffixes such as .edu or .gov.
•
Enter a period (
.
) to block all Internet browsing access.
To delete a keyword or domain:
1.
Select the keyword that you want to delete from the list.
2.
Click
Delete URL Keyword
.
3.
Click the
Apply
button.
4.
Your changes are saved.
To specify a trusted computer:
You can exempt one trusted computer from blocking and logging. The computer that you
exempt must have a fixed IP address.
1.
Select
Allow trusted IP address to visit blocked sites
.

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