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Page 96 / 130 Scroll up to view Page 91 - 95
Advanced Settings
96
Dual Band 11ac WiFi Router R6200
•
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 triggering requires specific outbound traffic to open the inbound ports, and the
triggered ports are closed after a period of no activity.
•
Port forwarding is always active and does not need to be triggered.
Set Up Port Forwarding to Local Servers
The port forwarding feature lets you allow certain types of incoming traffic to reach servers on
your local network. For example, you might want to make a local web server, FTP server, or
game server visible and available to the Internet.
Use the Port Forwarding screen to configure the router to forward specific incoming protocols
to computers on your local network. In addition to servers for specific applications, you can
also specify a default DMZ server to which all other incoming protocols are forwarded.
Before you start, determine which type of service, application, or game you want to provide.
Find out the local IP address of the computer that will provide the service. The server
computer has to always have the same IP address.
To set up port forwarding:
Tip:
To ensure that your server computer always has the same IP address,
use the reserved IP address feature of your R6200 WiFi Router.See
Restrict Wireless Access by MAC Address
on page
87.
Page 97 / 130
Advanced Settings
97
Dual Band 11ac WiFi Router R6200
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 field, enter the last digit of the IP address of your
local computer that will provide this service.
4.
Click
Add
. The service appears in the list in the screen.
Add a Custom Service
To define a service, game, or application that does not appear in the Service Name list, first
determine which port number or range of numbers the application uses. You can usually get
this information by contacting the publisher of the application or user groups or newsgroups.
To add a custom service:
1.
Select
Advanced > Advanced Setup > Port Forwarding/Port Triggering
.
2.
Select
Port Forwarding
as the service type.
Page 98 / 130
Advanced Settings
98
Dual Band 11ac WiFi Router R6200
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 protocol. If you are unsure, select
TCP/UDP
.
6.
Specify the port settings:
•
External Starting Port and External Ending Port
. The starting number and ending
number for the public ports at the Internet interface. For single port forwarding,
number in the External Starting Port and External Ending Port fields can be the same.
The range is from 1 to 65534.
•
Use the same port range for Internal port
. This checkbox is selected by default. If
you want to use different ports, clear this check box and specify the internal ports.
•
Internal Starting Port and Internal Ending Port
. 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 Server IP Address field, enter the IP address of your local computer that will provide
this service.
8.
Click
Apply
. The service appears in the list in the Port Forwarding/Port Triggering screen.
Edit or Delete a Port Forwarding Entry
To edit or delete a port forwarding entry:
1.
In the table, select the radio button next to the service name.
2.
Click
Edit Service
or
Delete Service
.
Application Example: Making a Local Web Server Public
If you host a web server on your local network, you can use port forwarding to allow web
requests from anyone on the Internet to reach your web server.
Page 99 / 130
Advanced Settings
99
Dual Band 11ac WiFi Router R6200
To make a local web server public:
1.
Assign your web server either a fixed IP address or a dynamic IP address using DHCP
address reservation. In this example, your router always gives your web server an IP
address of 192.168.1.33.
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 host name with a Dynamic DNS service, and configure your router to
use the name as described in
Dynamic DNS
on page
101. To access your web server from
the Internet, a remote user has to know the IP address that your ISP assigned. However, if
you use a Dynamic DNS service, the remote user can reach your server by a user-friendly
Internet name, such as mynetgear.dyndns.org.
Set Up Port Triggering
Port triggering is a dynamic extension of port forwarding that is useful in these cases:
•
More than one local computer needs port forwarding for the same application (but not
simultaneously).
•
An application needs to open incoming ports that are different from the outgoing port.
When port triggering is enabled, the router monitors outbound traffic looking for a specified
outbound “trigger” port. When the router detects outbound traffic on that port, it remembers
the IP address of the local computer that sent the data. The router then temporarily opens the
specified incoming port or ports, and forwards incoming traffic on the triggered ports to the
triggering computer.
Port forwarding creates a static mapping of a port number or range to a single local
computer. Port triggering can dynamically open ports to any computer that needs them 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 Universal Plug and Play (UPnP) according to the instructions
in
Universal Plug and Play
on page
106.
To set up port triggering, you need to know which inbound ports the application needs and
the number of the outbound port that will trigger the opening of the inbound ports. You can
usually get this information by contacting the publisher of the application or user groups or
newsgroups.
To set up port triggering:
1.
Select
Advanced > Advanced Setup > Port Forwarding/Port Triggering
.
Page 100 / 130
Advanced Settings
100
Dual Band 11ac WiFi Router R6200
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 selected 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 Timeout field, enter a value up to 9999 minutes.
5.
This value controls the inactivity timer for the designated inbound ports. The inbound ports
close when the inactivity time expires. This is required because the router cannot detect
when the application has terminated.

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