Page 21 / 94 Scroll up to view Page 16 - 20
21
DI-634M User’s Manual
D-Link Systems, Inc.
Using the Configuration Menu
LAN is short for Local Area Network. This is considered your internal network. These
are the IP settings of the LAN interface for the DI-634M. These settings may be referred
to as Private settings. You may change the LAN IP address if needed. The LAN IP
address is private to your internal network and cannot be seen on the Internet.
The IP address of the LAN interface. The default IP address
is:
192.168.0.1
.
The subnet mask of the LAN interface. The default subnet
mask is
255.255.255.0
.
If
Enabled
, the DHCP assigns its own IP address.
LAN
Home > LAN
IP Address:
Subnet Mask:
DNS Relay:
Page 22 / 94
22
DI-634M User’s Manual
D-Link Systems, Inc.
Using the Configuration Menu
DHCP
stands for
Dynamic Host Control Protocol
. The DI-634M 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
DI-634M. 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.
Select
Enabled
or
Disabled.
The
default
setting is
Enabled
.
The starting IP address for the DHCP server’s IP
assignment.
The ending IP address for the DHCP server’s IP assignment.
IP address specific to the client.
Enter the MAC Address.
Select a DHCP client from the pull-down list; click
Clone
to
copy that MAC Address.
DHCP
DHCP Server:
Home > DHCP
Starting IP
Address:
Ending IP Address:
IP:
MAC Address:
DHCP Client:
Page 23 / 94
23
DI-634M User’s Manual
D-Link Systems, Inc.
Using the Configuration Menu
Virtual Server
The DI-634M 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 DI-634M firewall feature filters out unrecognized packets to protect your LAN
network so all computers networked with the DI-634M 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 DI-634M redirects
the external service request to the appropriate server within the LAN network.
The DI-634M 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.
Advanced
The Advanced tab provides the following configuration options: Virtual Server,
Applications, Filters, Parental Control, Firewall, and DMZ.
Advanced > Virtual Server
Page 24 / 94
24
DI-634M User’s Manual
D-Link Systems, Inc.
Using the Configuration Menu
Select
Enabled
or
Disabled
.
Enter the name referencing the virtual service.
The server computer in the LAN (Local Area Network) that will
be providing the virtual services.
The protocol used for the virtual service.
The port number of the service used by the Private IP
computer.
The port number on the WAN (Wide Area Network) side that
will be used to access the virtual service.
The schedule of time when the virtual service will be enabled.
The schedule may be set to
Always
, which will allow the
particular service to always be enabled. If it is set to
Time
, select
the time frame for the service to be enabled. If the system time
is outside of the scheduled time, the service will be disabled.
If you have a Web server that you wanted Internet users to
access at all times, you would need to enable it. Web (HTTP)
server is on LAN (Local Area Network) computer 192.168.0.25.
HTTP uses port 80, TCP.
Name: Web Server
Private IP: 192.168.0.25
Protocol Type: TCP
Private Port: 80
Public Port: 80
Schedule: always
Click on this icon to edit the virtual service.
Click on this icon to delete the virtual service.
Virtual Server:
Name:
Private IP:
Protocol Type:
Private Port:
Public Port:
Schedule:
Example #1:
Page 25 / 94
25
DI-634M User’s Manual
D-Link Systems, Inc.
Using the Configuration Menu
If you have an FTP server that you wanted Internet users to
access by WAN port 2100 and only during the weekends, you
would need to enable it as such. FTP server is on LAN computer
192.168.0.30. FTP uses port 21, TCP.
Name: FTP Server
Private IP: 192.168.0.30
Protocol Type: TCP
Private Port: 21
Public Port: 2100
Schedule: From: 01:00AM to 01:00AM, Sat to Sun
All Internet users who want to access this FTP Server must connect to it from port
2100. This is an example of port redirection and can be useful in cases where there
are many of the same servers on the LAN network.
Applications
Example #2:
Advanced > Applications

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