Cisco WRT310N - Manual (Page 22)

Chapter 3
Advanced Configuration
21 Wireless-N Gigabit Router
External Port Enter the external port number used by
the server or Internet application. Check with the Internet
application documentation for more information.
Internal Port Enter the internal port number used by
the server or Internet application. Check with the Internet
application documentation for more information.
Protocol Select the protocol used for this application,
either TCP or UDP, or Both.
To IP Address For each application, enter the IP address
of the PC that should receive the requests. If you assigned
a static IP address to the PC, then you can click DHCP
Reservation on the Basic Setup screen to look up its static
IP address.
Enabled For each application, select Enabled to enable
port forwarding.
Click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes.
Applications and Gaming > Port Range
Forwarding
The Port Range Forwarding screen allows you to set up
public services on your network, such as web servers,
ftp servers, e-mail servers, or other specialized Internet
applications. (Specialized Internet applications are any
applications that use Internet access to perform functions
such as videoconferencing or online gaming. Some Internet
applications may not require any forwarding.)
When users send these types of requests to your network via
the Internet, the Router will forward those requests to the
appropriate servers (computers). Before using forwarding,
you should assign static IP addresses to the designated
servers (use the DHCP Reservation feature on the Basic Setup
screen).
If you need to forward all ports to one computer, click the
DMZ tab.
Applications and Gaming > Port Range Forwarding
Port Range Forwarding
To forward a port, enter the information on each line for
the criteria required.
Application Name In this field, enter the name you
wish to give the application. Each name can be up to 12
characters.
Start~End Port Enter the number or range of port(s)
used by the server or Internet applications. Check
with the Internet application documentation for more
information.
Protocol Select the protocol used for this application,
either TCP or UDP, or Both.
To IP Address For each application, enter the IP address
of the PC running the specific application. If you assigned
a static IP address to the PC, then you can click DHCP
Reservation on the Basic Setup screen to look up its static
IP address.
Enabled Select Enabled to enable port forwarding for
the applications you have defined.
Click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes.
Applications & Gaming > Port Range
Triggering
The Port Range Triggering screen allows the Router to
watch outgoing data for specific port numbers. The IP
address of the computer that sends the matching data is
remembered by the Router, so that when the requested
data returns through the Router, the data is pulled back
to the proper computer by way of IP address and port
mapping rules.
Applications and Gaming > Port Range Triggering
Port Range Triggering
Application Name Enter the application name of the
trigger.