Netgear N450 N450 Cg3000dv2 Wifi Cable Model Router User Manual

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5
5.   Advanced Settings
This chapter includes the following sections:
•Advanced Wireless Settings 
•MAC Filtering 
•IP Filtering 
•Port Blocking 
•Port Forwarding 
•Port Triggering 
•DMZ Host 
•LAN IP Setup 
•Reserve an IP Address for DHCP Use 
•LAN Switch 
•Configure Universal Plug and Play 
•Set Networking Protocols 
•Enable Network Address Translation 
•Access a USB Device on the Network  
						

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
Advanced Wireless Settings
You can configure the wireless radio settings and other advanced settings\
.
To configure advanced wireless settings:
1. 
T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is  admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select Wireless Settings .
The following screen displays: 
						

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 N450 WiFi Cable Modem Router Model N450/CG3000Dv2
4. 
Configure the settings described in the following table. 
• Fragmentation Threshold
•  CTS/R
TS Threshold
• Preamble Mode
5.  Click the  Apply button.
Your changes are saved.
MAC Filtering
By default, the modem router allows any connected computer to access the\
 Internet. The 
MAC Filtering screen lets you block specific computers, based on their M\
AC addresses, from 
access to the Internet on selected days and times.
To use MAC filtering to block Internet access for a specific computer:
1.  T
ype  http://192.168.0.1 in the address field of your web browser. 
Advanced Wireless SettingsDescription
Wireless Access 
Point Enable By default this check box is selected so that the 
modem router works as a wireless access point. You 
can turn off the wireless radio to disable access 
through this device, which can be helpful for 
configuration, network tuning, or troubleshooting 
activities.
Advanced  Configuration
The default settings for these fields usually work fine. Change them only if you have a specific reason for 
doing so.
WPS Settings Disable router’s PIN Selecting this check box disables the PIN that WPS  clients use to connect to the modem router with the 
PIN method. Normally this check box is cleared, 
which is the default setting.
Keep Existing Settings If a WPS client is added, the modem router  automatically selects this check box. When the  Keep 
Existing Settings check box is selected, the SSID 
and wireless security settings remain the same when 
more WPS clients are added.
Wireless Access List Set up Access List Access control is disabled by default so that any  computer that is configured with the correct SSID 
can connect. 
						

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
A login screen displays.
2. 
Enter the modem router user name and password.
The default user name is  admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select MAC Filtering.
The following screen displays:
 
The Trusted Devices table shows computers that have access to the Internet th\
rough the  modem router. 
4.  In the 
Add MAC Filter table, use one of these methods to specify computers to b\
lock:
•If the computer is in the 
 Trusted Devices table, select its radio button. The MAC 
address is added into the Add MAC Filter table. 
						

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 N450 WiFi Cable Modem Router Model N450/CG3000Dv2
•
If the computer you want is not listed, click the Refresh button to update the Trusted 
Devices table.
If the computer is still not listed, complete the Device Name  and MAC Address fields.
5.  Click the  Add button. 
The  Enable  check box for the computer in the  MAC Filter List is automatically selected.
6.  T
o block the computer, select the days and times:
•Days to Block. Select the days to block the computer selected in the  MAC Filter List. 
The default is  Everyday.
• T
ime of Day to Block. You can specify the time of day to block the computer. The 
default is  All Day. Be sure that you clear the  All Day check box if you want to enter 
specific times. The selected period applies to each day that you selected.
7.  Click the  Apply button.
8.  Repeat these steps for all computers that you want to block.
To stop blocking a computer:
1. T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select MAC Filtering.
The MAC Filtering screen displays.
4.  In the MAC Filter  List, select the computer
 .
5.  Clear its  Enable check box. 
The computer remains in the list; however, it is not blocked.
6.  Click the  Apply button.
Your changes are saved. 
						

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
To remove a computer from the list:
1. 
T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is  admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select MAC Filtering.
The MAC Filtering screen displays.
4.  In the MAC Filter List, select the computer
 .
5.  Click the  Delete button.
6.  Click the  Apply button.
Your changes are saved.
IP Filtering
By default, any computer is allowed access to the Internet through your \
modem router. You 
can use IP filtering to block specific computers based on their IP addre\
sses from access to 
the Internet on selected days and times. 
To set up IP filtering:
1.  T
ype  http://192.168.0.1 in the address field of your web browser.  
						

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 N450 WiFi Cable Modem Router Model N450/CG3000Dv2
A login screen displays.
2. 
Enter the modem router user name and password.
The default user name is admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select IP Filtering.
The following screen displays:
The Trusted Devices table shows computers that are allowed access to the Inte\
rnet  through your modem router. 
4.  Add devices to the IP Filter List as needed: 
• If the computer you want to add appears in the 
 Trusted Devices table, select its radio 
button to capture its IP address. 
If the computer you want is not listed, click the Refresh button to update the 
 Trusted 
Devices table.  
						

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
•
If the name of the computer you want to add does not display, you can type a name 
for the computer you are adding; or enter the IP address of the computer\
 you want to 
block. 
5.  Click the  Add button. 
The Enable check box is automatically selected.
6.  Select the days to block.
7.  In the 
Time of Day to Block section, select a start time and an end time. This time range 
applies to each day you selected in Day(s) to Block section for the sp\
ecific computer.  All 
day is the default value. Clear the  All day check box if you specify a start time and end time.
8.  Click the  Apply button.
Your changes are saved.
To delete a device from the IP Filter List:
1.  T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is  admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select IP Filtering.
4.  Select a device from the  IP Filter list.
5.  Click the  Delete button.
Your device is removed from the  IP Filter list.
6.  Click the  Apply button.
Your changes are saved.
Port Blocking
You can use port blocking to block outbound traffic on specific ports. Outbound traffic rules  control access to outside resources from local users. The default rule is to allow all access  
						

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 N450 WiFi Cable Modem Router Model N450/CG3000Dv2
from the LAN side to the outside. You can use port blocking to add predefined or custom 
rules to specify exceptions to the default rule.
Note:
The default rule allows any outbound traffic not blocked by rules that 
you create.
To add a custom service:
1. T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select Port Blocking.
The following screen displays:
4.  From the Service list, select the service you want to block. 
5.  T
o add a custom service that is not in the list of services, specify thes\
e settings in the Add 
Custom Service table:
• Name . 
A name for the service. 
						

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
•
Start Port. The start of the range of ports for the service.
• End Port. 
 The end of the range of port for the service.
• Protocol. 
 The protocol for the ports:
- TCP . TCP 
 only.
- UDP . UDP only
 .
- Both. Both 
 TCP and UDP.
• Local IP 
 Address. The local IP address for the computer that is using the service.
6.  Click the  Add button.
Your settings are saved. The Active Filters table now displays the list of ports that are  currently blocked.
To delete a custom service from the Active Filters table:
1.  T
ype  http://192.168.0.1 in the address field of your web browser. 
A login screen displays.
2.  Enter the modem router user name and password.
The default user name is  admin. The 
 default password is password. The user name and 
password are case-sensitive.
The modem router main menu displays.
3.  In the main menu, under 
 Advanced, select Port Blocking.
The Port Blocking screen displays.
4.  Select the radio button in the 
 Active Filters table for the custom service that you want to 
delete.
5.  Click the  Delete button.
The custom service is deleted.
To clear all the fields in the Add Custom Service table or to unselect a radio button 
from the Active Filters table:
1.  T
ype  http://192.168.0.1 in the address field of your web browser.