Netgear N 900 Manual

Advanced Settings91
 N900 Wireless Dual Band Gigabit Router WNDR4500
2.
Select  Advanced > Advanced Setup > Wireless Repeating Function  to display the 
Wireless Repeating Function screen.
Scroll to view 
more settings
3. In the Wireless Repeating Function screen (depending on the frequency you want to use), 
select the  Enable Wireless Repeating Function check box and select the  Wireless Base 
Station  radio button.
4. Ente r the MAC address for one or more repeater units.
5. Click  Appl
 y to save...

Advanced Settings92
N900 Wireless Dual Band Gigabit Router WNDR4500 
4.
Click  Apply  to save your changes.
5. V
erify connectivity across the LANs. 
A computer on any wireless or wired LAN segment of the router should be able to 
con
nect to the Internet or share files and printers with any other wireless or wired 
computer or server connected to the other access point.
Port Forwarding and Triggering
By default, the router blocks inbound traffic from t he Internet to your computers except replies 
to...

Advanced Settings93
 N900 Wireless Dual Band Gigabit Router WNDR4500
information and then modifies the source information in the request message, performing 
Network Address Translation (NAT):
•
T
he source address is replaced with your  router’s public IP address. This is 
necessary because your computer uses a private IP address that is not globally 
unique and cannot be used on the Internet.
• T
he source port number is changed to a number chosen by the router, such as 
33333. This is necessary...

Advanced Settings94
N900 Wireless Dual Band Gigabit Router WNDR4500 
An example is Internet Relay Chat (IRC). Yo
ur computer connects to an IRC server at 
destination port 6667. The IRC server not only responds to your originating source port, but 
also sends an “identify” message to your computer on port 113. Using port triggering, you can 
tell the router, “When you initiate a session with destination port 6667, you have to also allow 
incoming traffic on port 113 to reach the originating computer.”...

Advanced Settings95
 N900 Wireless Dual Band Gigabit Router WNDR4500
Internet to initiate a connection to a server computer on your network. Normally, your router 
ignores any inbound traffic that is not a response to your own outbound traffic. You can 
configure exceptions to this default rule by using the port forwarding feature. 
A typical application of port forwarding can be shown by reversing the client-server 
re

lationship from the previous web server example. In this case, a remote computer’s...

Advanced Settings96
N900 Wireless Dual Band Gigabit Router WNDR4500 
•
Port triggering does require that you know the computer’s IP address in advance. The IP 
address is captured automatically.
• Port forwarding requires that
  you specify the computer’s IP address during configuration, 
and the IP address can never change.
• Port triggerin
 g requires specific outbound traffic to open the inbound ports, and the 
triggered ports are closed after a period of no activity.
• Port forward
 ing is always...

Advanced Settings97
 N900 Wireless Dual Band Gigabit Router WNDR4500
1.
Select  Advanced Setup > Port Forwarding/Port Triggering  to display the following 
screen:
Port Forwarding is selected as the service type.
2. From the  Service Name list, select 
 the service or game that you will host on your network. If 
the service does not appear in the list, see  Add a Custom Service on page 97 .
3. In the corresponding Server IP  Address fie
 ld, enter the last digit of the IP address of your 
local computer...

Advanced Settings98
N900 Wireless Dual Band Gigabit Router WNDR4500 
3.
Click the Add Custom Service  button to display the following screen:
4.In the Service Name field, enter a descriptive name. 
5. In the Protoco l list, select the pro
 tocol. If you are unsure, select TCP/UDP.
6. In the Starting Port field, enter the beginning port number. 
• If the application uses a single port, enter the same port number in the Ending Port 
field.
• If the  application uses a range of ports, enter the ending port...

Advanced Settings99
 N900 Wireless Dual Band Gigabit Router WNDR4500
2.
In the Port Forwarding screen, configure the router to forward the HTTP service to the local 
address of your web server at  192.168.1.33. HTTP (port 80) is the standard protocol for web 
servers.
3. (Optional) Register a ho
 st name with a Dynamic DNS service, and configure your router to 
use the name as described in  Dynamic DNS on p
 age 101. To access your web server from 
the Internet, a remote user has to know the  I
 P...

Advanced Settings100
N900 Wireless Dual Band Gigabit Router WNDR4500 
2.
Select the  Port Triggering  radio button to display the port triggering information.
3.Clear the  Disable Port Triggering  check box if it is selected.
Note:  If the Disable Port Triggering check box is selecte d
  after you configure 
port triggering, port triggering is disabled. However, any port triggering 
configuration information you added to the router is retained even though it is 
not used.
4. In the Port Triggering...