D-Link DI-624M Router Manual PDF (Setup & Configuration Guide)

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21

DI-624M 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-624M. 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

.

This field is optional. Enter in the local domain name.

LAN

Home > LAN

IP Address:

Subnet Mask:

Local Domain

Name:

Page 22 / 104

22

DI-624M User’s Manual

D-Link Systems, Inc.

Using the Configuration Menu

DHCP

stands for

Dynamic Host Control Protocol

. The DI-624M 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-624M. 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.

The length of time for the IP lease. Enter the Lease time. The

default setting is one hour.

DHCP

DHCP Server:

Home > DHCP

Starting IP

Address:

Ending IP Address:

Lease Time:

Page 23 / 104

23

DI-624M User’s Manual

D-Link Systems, Inc.

Using the Configuration Menu

Virtual Server

The DI-624M 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-624M firewall feature filters out unrecognized packets to protect your LAN

network so all computers networked with the DI-624M 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-624M redirects

the external service request to the appropriate server within the LAN network.

The DI-624M 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, DMZ, and Performance.

Advanced > Virtual Server

Page 24 / 104

24

DI-624M 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 / 104

25

DI-624M 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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