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D-Link DIR-685 User Manual
Section 3 - Configuration
Tick this checkbox to enable the DHCP server
on your router. Untick to disable this function.
Enter the starting and ending IP addresses for
the DHCP server’s IP assignment.
Note:
If you statically (manually) assign IP
addresses to your computers or devices, make
sure the IP addresses are outside of this range
or you may have an IP conflict.
The length of time for the IP address lease.
Enter the Lease Time in minutes.
Displays the Host Name, IP Address and the
time the DHCP lease will expire for all the clients
that have received DHCP IP addresses from
the router.
Enable DHCP
Server:
DHCP IP Address
Range:
DHCP Lease
Time:
DHCP Client List:
DHCP Server Settings
DHCP stands for Dynamic Host Control Protocol. The DIR-685 has a built-in DHCP server. The DHCP Server will
automatically assign an IP address to the computers on the LAN/private network. Be sure to set your computers to be
DHCP clients by setting their TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your computers
on, they will automatically load the proper TCP/IP settings provided by the DIR-685. The DHCP Server will automatically
allocate an unused IP address from the IP address pool to the requesting computer. You must specify the starting and
ending address of the IP address range.
Network Setup
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D-Link DIR-685 User Manual
Section 3 - Configuration
DHCP Reservation
If you want a computer or device to always have the same IP address assigned, you can create a DHCP reservation.
The router will assign the IP address only to that computer or device.
Note:
This IP address must be within the DHCP IP Address Range.
Tick the checkbox next to the reservation you
want to enable.
Enter the computer name or select from the
drop-down menu and click
<<
.
Enter the IP address you want to assign to the
computer or device. This IP Address must be
within the DHCP IP Address Range.
Enter the MAC address of the computer or
device.
Click
Save Settings
to save your entry. You
must click
Save Settings
at the bottom of the
window to activate your reservations.
Enable:
Computer Name:
IP Address:
MAC Address:
Save Settings:
Network Setup
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D-Link DIR-685 User Manual
Section 3 - Configuration
LCD Screen
Tick this checkbox to enable the screen saver.
You can set the timeout in minutes.
Tick this checkbox to turn off the LCD screen
on the router when idle after the entered
time.
Screen Saver
Setting:
Display Setting:
This section allows you to configure the LCD screen Display Settings on the router.
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D-Link DIR-685 User Manual
Section 3 - Configuration
The DIR-685 can be configured as a virtual server so that remote users accessing Web or FTP services via the public
IP address can be automatically redirected to local servers in the LAN (Local Area Network).
The DIR-685 firewall feature filters out unrecognized packets to protect your LAN network so all computers networked
with the DIR-685 are invisible to the outside world. If you wish, you can make some of the LAN computers accessible
from the Internet by enabling Virtual Server. Depending on the requested service, the DIR-685 redirects the external
service request to the appropriate server within the LAN network.
The DIR-685 is also capable of port-redirection, meaning incoming traffic to a particular port may be redirected to a
different port on the server computer.
Each virtual service that is created will be listed at the bottom of the screen in the Virtual Servers List. There are
pre-defined virtual services already in the table. You may use them by enabling them and assigning the server IP to
use that particular virtual service.
For a list of ports for common applications, please visit
Port Forwarding
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D-Link DIR-685 User Manual
Section 3 - Configuration
Enter a name for the rule or select an application
from the drop-down menu. Select an application
and click
<<
to populate the fields.
Enter the IP address of the computer on your
local network that you want to allow the incoming
service to. If your computer is receiving an IP
address automatically from the router (DHCP),
you computer will be listed in the “Computer
Name” drop-down menu. Select your computer
and click
<<
.
Enter the port that you want to open next to Private
Port and Public Port. The private and public ports
are usually the same. The public port is the port
seen from the Internet side, and the private port
is the port being used by the application on the
computer within your local network.
Select
TCP
,
UDP
, or
Any
from the drop-down
menu.
Name:
IP Address:
Private Port/
Public Port:
Traffic Type:
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