Netgear Wndr3400v3 N600 Wireless Dual Band Router User Manual

Advanced Settings 
81  N600 Wireless Dual Band Router WNDR3400v3
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 
relationship from the previous web server example. In this case, a remote computer’s 
browser needs to access a web server running on a computer in your local network. Using 
port...

Advanced Settings 82
N600 Wireless Dual Band Router WNDR3400v3 
•
Port triggering does not 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 triggering requires specific outbound traf
 fic to open the inbound ports, and the 
triggered ports are closed after a period of no activity.
• Port forwarding is always active...

Advanced Settings 83
 N600 Wireless Dual Band Router WNDR3400v3
Port Forwarding is selected as the service type.
2.  From the Service Name list, select the service or game that you host on \
your network. If the 
service does not appear in the list, see  Add a Custom Service on page 83.
3.  In the corresponding Server IP 
 Address field, enter the last digit of the IP address of your 
local computer that provides this service. 
4.  Click  Add. 
 The service appears in the list in the screen.
Add a Custom...

Advanced Settings 
84 N600 Wireless Dual Band Router WNDR3400v3 
•Internal Starting Port and Internal Ending Port. These are the starting number and 
ending number for the ports of a computer on the router’s local area network (LAN). 
These are private ports. The router calculates the internal ending port. 
7. In the Internal IP Address field, enter the IP address of your local computer that provides this 
service.
8. Click Apply. The service appears in the list in the Port Forwarding/Port Triggering...

Advanced Settings 85
 N600 Wireless Dual Band Router WNDR3400v3
Port forwarding creates a static mapping of a port number or range to a \
single local 
computer. Port triggering dynamically opens ports to any computer that needs the\
m and can 
close the ports when they are no longer needed.
Note:
If you use applications such as multiplayer gaming, peer-to-peer 
connections, real-time communications such as instant messaging, or 
remote assistance (a feature in Windows XP), you should also enable...

Advanced Settings 86
N600 Wireless Dual Band Router WNDR3400v3 
5. 
Click  Add Service to display the following screen: 
6. In the Service Name field, type a descriptive service name. 
7.  In the Service User list, select  Any (the default) to allow this service to be used by any 
computer on the Internet. Otherwise, select  Single address, and enter the IP address of 
one computer to restrict the service to a particular computer

. 
8.  Select the service type, either  TCP or UDP or both ( TCP/UDP). If...

Advanced Settings 87
 N600 Wireless Dual Band Router WNDR3400v3
changes, your router automatically contacts the Dynamic DNS service prov\
ider, logs in to 
your account, and registers your new IP address. If your host name is ho\
stname, for 
example, you can reach your router at http://hostname.dyndns.org.
On the Advanced tab, select 
Advanced Setup > Dynamic DNS to display the following 
screen:
To set up Dynamic DNS:
1.  Register for an account with one of the Dynamic DNS service providers wh\
ose...

Advanced Settings 88
N600 Wireless Dual Band Router WNDR3400v3 
•
You have an ISDN router on your home network for connecting to the compan\
y where 
you are employed. This router’s address on your LAN is  192.168.1.100.
• Y
our company’s network address is 134.177.0.0.
When you first configured your router, two implicit static routes were c\
reated. A default route 
was created with your ISP as the gateway

, and a second static route was created to your 
local network for all 192.168.1.x addresses....

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 N600 Wireless Dual Band Router WNDR3400v3
6. 
Type the IP subnet mask for this destination. If the destination is a sin\
gle host, type 
255.255.255.255. 
7.  T
ype the gateway IP address, which has to be a  router on the same LAN segment as the 
N600 Wireless Dual Band Router. 
8.  T
ype a number between 1 and 15 as the metric value. 
This value represents the number of routers between your network and the\
 destination. Usually
 , a setting of 2 or 3 works, but if this is a direct...

Advanced Settings 
90 N600 Wireless Dual Band Router WNDR3400v3 
•To allow access from a single IP address on the Internet, select Only This 
Computer. Enter the IP address that allows access. 
•To allow access from a range of IP addresses on the Internet, select IP Address 
Range. Enter a beginning and ending IP address to define the allowed range. 
•To allow access from any IP address on the Internet, select Everyone. 
4. Specify the port number for accessing the web management interface.
Normal web...