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•
MAC Address
: MAC (Media Access Control) address is a
unique identifier for your networking device. Some ISPs
monitor the MAC address of networking devices that connect
to their service and reject any unrecognized device that
attempt to connect. To avoid connection issues due to an
unregistered MAC address, you can:
• Contact your ISP and update the MAC address associated
with your ISP service.
• Clone or change the MAC address of the ASUS wireless router
to match the MAC address of the previous networking device
recognized by the ISP.
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4.3.2 Port Trigger
Port range triggering opens a predetermined incoming port for a
limited period of time whenever a client on the local area network
makes an outgoing connection to a specified port. Port triggering
is used in the following scenarios:
•
More than one local client needs port forwarding for the
same application at a different time.
•
An application requires specific incoming ports that are
different from the outgoing ports.
To set up Port Trigger:
1. From the navigation panel, go to
Advanced Settings
>
WAN
>
Port Trigger
tab.
2. Configure the following settings below. When done, click
Apply
.
•
Enable Port Trigger
: Choose
Yes
to enable Port Trigger.
•
Well-Known Applications
: Select popular games and web
services to add to the Port Trigger List.
•
Description
: Enter a short name or description for the service.
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•
Trigger Port
: Specify a trigger port to open the incoming port.
•
Protocol
: Select the protocol, TCP, or UDP.
•
Incoming Port
: Specify an incoming port to receive inbound
data from the Internet.
•
Protocol
: Select the protocol, TCP, or UDP.
NOTES:
•
When connecting to an IRC server, a client PC makes an outgoing
connection using the trigger port range 66660-7000. The IRC server
responds by verifying the username and creating a new connection
to the client PC using an incoming port.
•
If Port Trigger is disabled, the router drops the connection because
it is unable to determine which PC is requesting for IRC access.
When Port Trigger is enabled, the router assigns an incoming port to
receive the inbound data. This incoming port closes once a specific
time period has elapsed because the router is unsure when the
application has been terminated.
•
Port triggering only allows one client in the network to use a
particular service and a specific incoming port at the same time.
•
You cannot use the same application to trigger a port in more than
one PC at the same time. The router will only forward the port back
to the last computer to send the router a request/trigger.
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4.3.3 Virtual Server/Port Forwarding
Port forwarding is a method to direct network traffic from the
Internet to a specific port or a specific range of ports to a device
or number of devices on your local network. Setting up Port
Forwarding on your router allows PCs outside the network to
access specific services provided by a PC in your network.
NOTE:
When port forwarding is enabled, the ASUS router blocks
unsolicited inbound traffic from the Internet and only allows replies
from outbound requests from the LAN. The network client does not
have access to the Internet directly, and vice versa.
To set up Port Forwarding:
1. From the navigation panel, go to
Advanced Settings
>
WAN
>
Virtual Server / Port Forwarding
tab.
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70
2. Configure the following settings below. When done, click
Apply
.
•
Enable Port Forwarding
: Choose
Yes
to enable Port
Forwarding.
•
Famous Server List
: Determine which type of service you
want to access.
•
Famous Game List
: This item lists ports required for popular
online games to work correctly.
•
FTP Server Port
: Avoid assigning the port range 20:21 for
your FTP server as this would conflict with the router’s native
FTP server assignment.
•
Service Name
: Enter a service name.
•
Port Range
: If you want to specify a Port Range for clients
on the same network, enter the Service Name, the Port
Range (e.g. 10200:10300), the LAN IP address, and leave the
Local Port empty. Port range accepts various formats such
as Port Range (300:350), individual ports (566,789) or Mix
(1015:1024,3021).
NOTES:
•
When your network’s firewall is disabled and you set 80 as the HTTP
server’s port range for your WAN setup, then your http server/web
server would be in conflict with the router’s web user interface.
•
A network makes use of ports in order to exchange data, with each
port assigned a port number and a specific task. For example, port 80
is used for HTTP. A specific port can only be used by one application
or service at a time. Hence, two PCs attempting to access data
through the same port at the same time would fail. For example, you
cannot set up Port Forwarding for port 100 for two PCs at the same
time.

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