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Page 51 / 136 Scroll up to view Page 46 - 50
46
D-Link DIR-815 User Manual
Section 3 - Configuration
DHCP stands for Dynamic Host Control Protocol. The DIR-815 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-815. 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 pool.
Check this box to enable the DHCP server on your router.
Uncheck 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.
Enable DHCP
Server:
DHCP IP Address
Range:
DHCP Lease Time:
Network Settings
DHCP Server Settings
When you have finished configuring the new DHCP Server Settings, click the
Save Settings
button at the top or bottom of
the window.
Page 52 / 136
47
D-Link DIR-815 User Manual
Section 3 - Configuration
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.
Check this box to enable the reservation.
Enter the computer name. Alternatively, select a
computer that currently has a DHCP lease from the
drop down menu and click
<<
to automatically
populate the C
omputer Name
,
IP Address
, and
MAC
Address
fields.
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.
Checkbox:
Computer
Name:
IP Address:
MAC Address:
Network Settings
DHCP Reservation
When you have finished configuring the new DHCP Reservation, click the
Save Settings
button at the top or bottom of the
window to activate your reservations.
Page 53 / 136
48
D-Link DIR-815 User Manual
Section 3 - Configuration
The DIR-815 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-815 firewall feature filters out unrecognized packets to protect your LAN network so all computers networked with
the DIR-815 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-815 redirects the external service request to
the appropriate server within the LAN network.
The DIR-815 is also capable of port-redirection, meaning that incoming traffic to a particular port may be redirected to a
different port on the server computer.
For a list of ports for common applications, please visit
.
Virtual Server
Advanced
Page 54 / 136
49
D-Link DIR-815 User Manual
Section 3 - Configuration
The Virtual Server window allows you to open a single port. If you would like to open a range of ports, refer to the next page.
Check the box on the left side to enable the Virtual
Server rule.
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 Public
Port and Private Port. The public and private 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
All
from the
Protocol
drop-down
menu.
Use the drop-down menu to schedule the time that the
Virtual Server Rule will be enabled. The schedule may be
set to Always, which will allow the particular service to
always be enabled. You can create your own times in the
Tools
>
Schedules
section.
Enable
Checkbox:
Name:
IP Address:
Public Port/
Private Port:
Traffic Type:
Schedule
Drop-Down
Menu:
Click the
Save Settings
button to save any changes made.
Page 55 / 136
50
D-Link DIR-815 User Manual
Section 3 - Configuration
This will allow you to open a single port or a range of ports.
Port Forwarding
Tick the checkbox on the left side to enable the Port
Forwarding rule.
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 Public
Port and Private Port. The public and private 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
All
from the drop-down menu.
Use the drop-down menu to schedule the time
that the Port Forwarding rule will be enabled. The
schedule may be set to Always, which will allow
the particular service to always be enabled. You can
create your own times in the
Tools
>
Schedules
section.
Enable Checkbox:
Name:
IP Address:
Public Port/
Private Port:
Traffic Type:
Schedule:
Click the
Save Settings
button to save any changes made.

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