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NETGEAR genie ADVANCED Home
26
Wireless Cable Voice Gateway CG3700EMR-1CMNDS
LAN TCP/IP Setup
Specify the following settings:
•
IP Address
. The LAN IP address of the gateway.
•
IP Subnet Mask
. The LAN subnet mask of the gateway. 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
By default, the gateway functions as a DHCP server. This capability allows the gateway to
assign IP, DNS server, and default gateway addresses to all computers connected to the LAN
that is connected to the gateway. The assigned default gateway address is the LAN address
of the gateway. The gateway 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 gateway 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 gateway. 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.
Specify the following settings:
•
Starting IP Address
. Specify the start of the range for the pool of IP addresses in the
same subnet as the gateway.
•
Ending IP Address
. Specify the end of the range for the pool of IP addresses in the
same subnet as the gateway.
The gateway delivers the following parameters to any LAN device that requests DHCP:
•
An IP address from the range that you have defined
•
Subnet mask
•
Gateway IP address (the LAN IP address of the gateway)
•
DNS server address (if you entered a primary DNS address in the Internet Setup screen;
otherwise, the LAN IP address of the gateway)
Page 27 / 77
NETGEAR genie ADVANCED Home
27
Wireless Cable Voice Gateway CG3700EMR-1CMNDS
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 gateway. Assign
reserved IP addresses to computers or servers that require permanent IP settings.
1.
Select
ADVANCED > Setup > LAN Setup
.
The following screen displays:
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 gateway, 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.
Page 28 / 77
NETGEAR genie ADVANCED Home
28
Wireless Cable Voice Gateway CG3700EMR-1CMNDS
5.
Click the
Apply
button.
The reserved address is added to the table.
The reserved address is not assigned until the next time the computer contacts the DHCP
server of the gateway. Reboot the computer or access its IP configuration and force a
DHCP release and renew.
To edit or delete a reserved address entry:
1.
Select the radio button next to a reserved address.
2.
Click the
Edit
or
Delete
button.
Page 29 / 77
29
4
4.
Security
Keeping 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 / 77
Security
30
Wireless Cable Voice Gateway CG3700EMR-1CMNDS
Keyword Blocking of HTTP Traffic
Use keyword blocking to prevent certain types of HTTP traffic from accessing your network.
1.
Select
ADVANCED >
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 and click the
Add URL Keyword
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.
4.
Click the
Apply
button.
To delete a keyword or domain:
1.
Select the keyword that you want to delete from the list.
2.
Click the
Delete URL Keyword
button.
3.
Click the
Apply
button.
4.
Your changes are saved.
You can exempt one trusted computer from blocking and logging. The computer that you
exempt must have a fixed IP address.
To specify a trusted computer:
1.
Select the
Allow trusted IP address to visit blocked sites
check box.

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