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Remote IP
Specify the remote (destination) IP address
Address: (e):
that will be affected by this rule. Please input the starting
IP address in the left field, and input the end IP address
in the right field to define a range of IP addresses, or just
input the IP address in the left field to define a single IP
address.
Remote Port
Please input the range of remote (destination)
Range (f):
port numbers that will be affected by this rule. If you
want to apply this rule to ports 80 through 90, please
input ’80-90’; if you want to apply this rule on a single
port, just input the port number, like ‘80’.
If the remote
(destination) IP address and /or port number is universal,
just leave it blank.
Traffic Type (g):
Please select the traffic type of this rule;
available options are None, SMTP, HTTP, POP3, and
FTP. You can select a specific traffic type for this rule; if
you want to make this rule an IP address based rule
(apply the limitation on all traffics from / to the specified
IP address / port number), select ‘None’.
Protocol (h):
Please select the protocol type of this rule;
available options are TCP and UDP. If you do not know
what protocol your application uses, please try ‘TCP’
first, and switch to ‘UDP’ if this rule does not seem to
work.
After you finish with all settings, please click the ‘save’ button (i), and you
will be brought back to the previous menu (the rule you just set will appear in
current QoS table); if you did something wrong, you will get an error message
when you click the ‘Save’ button. Please correct your input by following the
instructions given in the error message.
If you want to erase all of the values you just entered, click ‘Reset’.
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9.2 Network Address Translation (NAT)
Network address translations solve the problem of sharing a single IP address
with multiple computers. Without NAT, all computers must be assigned with a
valid Internet IP address to connect to the Internet, but Internet service
providers only provide a few IP addresses to each user. Therefore it is
necessary to use NAT technology to share a single Internet IP address with
multiple computers on a local network, so that everyone can get connected to
the Internet.
Please follow these instructions to set NAT parameters:
9.2.1 Basic NAT Settings (Enable or disable NAT function)
Please click ‘NAT’ menu on the left of the web management interface, and the
following message will be displayed on your web browser:
To enable NAT function, please select ‘Enable’ for ‘Enable NAT module
function’ (1); to disable, please select ‘Disable’.
After you made the selection, please click ‘Apply’ button (2) and the following
message will be displayed on your web browser:
1
2
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Please click ‘Continue’ to return to the previous setup menu and continue with
other setup procedures, or click ‘Apply’ to reboot the router so the settings take
effect (Please wait about 40 seconds for router to reboot).
9.2.2 Port Forwarding
This function allows you to redirect a single port or consecutive ports of
Internet IP addresses to the same port of the local network IP address. The port
number(s) of Internet IP address and private IP address (the IP address on local
network) must be the same. If the port number of Internet IP address and
private IP address is different, please use the ‘Virtual Server’ function,
described in the next section.
Please click ‘NAT’ menu on the left of the web management interface, then
click ‘Port Forwarding’, and the following message will be displayed on your
web browser:
1
3
4
5
6
7
8
9
10
11
12
13
2
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Here are descriptions of each setup item:
Enable Port
Check this box to enable port mapping,
Forwarding (1):
and uncheck this box to disable port mapping.
Private IP (2):
Input the IP address of the computer on local network
that provides internet service.
Computer Name (3): Pull down the menu and all the computers connected to
the X650 will be listed here. You can easily select the
computer name without checking the IP address of the
computer.
Type (4):
Select the type of connection, TCP or UDP. If you are not
sure, please select ‘Both’.
Port Range (5):
Input the starting port number in the left field, and input
the ending port number in the right field. If you only want
to redirect a single port number, simply place the port
number in the left field.
Comment (6):
Please input any text to describe this mapping, up to 16
alphanumerical characters.
Add (7):
Add the mapping to port forwarding table.
Reset (8):
Remove all inputted values.
Port Forwarding
All existing port forwarding mappings will
Table (9):
be displayed here.
Delete (10):
Please select a type of port forwarding mapping by
clicking the ‘Select’ box of the mapping, then click
‘Delete Selected’ button to remove the mapping. If there
is no existing mapping, this button will be grayed out.
Delete All (11):
Delete all mappings in virtual server table.
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Reset (12):
Unselect all mappings.
After you finish with all settings, please click ‘Apply’ (13) button and the
following message will be displayed on your web browser:
Please click ‘Continue’ to return to the previous setup menu and continue with
other setup procedures, or click ‘Apply’ to reboot the router so the settings will
take effect (Please wait about 40 seconds for router to reboot).
If you want to reset all settings on this page to their previously-saved values,
please click the ‘Cancel’ button.
9.2.3 Virtual Server
This function allows you to redirect a port on Internet IP address (on WAN
port) to a specified port of an IP address on local network, so you can setup an
Internet service on the computer through local network, without exposing it on
Internet directly. You can also build many sets of port redirection, to provide
multiple types of Internet services on different local computers via a single
Internet IP address.
Please click ‘NAT’ menu on the left of the web management interface, then
click ‘Virtual Server’, and the following message will be displayed on your
web browser:

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