D-Link DI-724U Router Manual PDF (Setup & Configuration Guide)

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26

DI-724U 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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27

DI-724U User’s Manual

D-Link Systems, Inc.

Using the Conﬁguration Menu

Some applications require multiple connections, such as Internet gaming, video

conferences, Internet telephony and others. These applications have difﬁculties working

through NAT (Network Address Translation). Special Applications makes some of these

applications work with the DI-724U. If you need to run applications that require multiple

connections, specify the port normally associated with an application in the “Trigger Port”

ﬁeld, select the protocol type as TCP or UDP, then enter the public ports associated

with the trigger port to open them for inbound trafﬁc.

The DI-724U provides some predeﬁned applications in the table on the bottom of the

web page. Select the application you want to use and enable it.

Note: Only one PC can use each Special Application tunnel.

Name:

Enter a name for the Special Application Rule, for example

Game App, which will help you identify the rule in the future.

You can also select from a list of common applications, and the

remaining conﬁguration values will be ﬁlled in accordingly.

Trigger Port:

Enter the outgoing port or range of ports used by your application.

[6500-6700]

Trigger Type:

Select the outbound protocol used by your application. [Both]

Public Port:

Enter the port or range of ports that you want to open up to

Internet trafﬁc. [6000-6200]

Public Type:

Select the protocol used by the Internet trafﬁc coming back

into the router through the opened port range. [Both]

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28

DI-724U User’s Manual

D-Link Systems, Inc.

Using the Conﬁguration Menu

Port Fowarding

Advanced > Port Fowarding

Multiple connections are required by some applications, such as internet games, video

conferencing, Internet telephony, and others. These applications have difﬁculties working

through NAT (Network Address Translation). The Port Forwarding section is used to open

multiple ports or a range of ports in your router and redirect data through those ports to a

single PC on your network. This feature allows you to enter ports in various formats.

Name:

Give the Port Forwarding entry a name that is meaningful to

you, for example Game Server. You can also select from a list of

popular games, and many of the remaining conﬁguration values

will be ﬁlled in accordingly. However, you should check whether

the port values have changed since this list was created, and

you must ﬁll in the IP address ﬁeld.

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29

DI-724U User’s Manual

D-Link Systems, Inc.

Using the Conﬁguration Menu

IP Address:

Enter the local network IP address of the system hosting the

game server, for example

192.168.0.50.

TCP Ports to Open:

Enter the TCP ports to open. [6159-6180, 99]

UDP Ports to Open:

Enter the UDP ports to open. [6159-6180, 99]

Firewall Rule:

Select a ﬁrewall rule that controls access as needed for this

port forwarding rule. If you do not see the ﬁrewall rule you need

in the list of ﬁrewall rules, go to the

Advanced

->

Firewalls

page and create a new ﬁrewall rule.

Schedule:

Select a schedule for the times when this rule is in effect. If

you do not see the schedule you need in the list of schedules,

go to the

Advanced

->

Schedules

screen and create a new

schedule.

Stream Engine

Advanced > Stream Engine

The StreamEngine™ feature helps improve your network performance by prioritizing

applications. By default, the StreamEngine settings are disabled.

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30

DI-724U User’s Manual

D-Link Systems, Inc.

Using the Conﬁguration Menu

Dynamic

Fragmentation:

This option should be enabled when you have a slow Internet

uplink. It helps to reduce the impact that large low priority network

packets can have on more urgent ones by breaking the large

packets into several smaller packets.

Automatic Uplink

Speed:

When enabled, this option causes the router to automatically

measure the useful uplink bandwidth each time the WAN

interface is re-established (after a reboot, for example).

Measured Uplink

Speed:

This is the uplink speed measured when the WAN interface was

last re-established. The value may be lower than that reported

by your ISP as it does not include all of the network protocol

overheads associated with your ISP’s network. Typically, this

ﬁgure will be between 87% and 91% of the stated uplink speed

for xDSL connections and around 5 kbps lower for cable network

connections.

Uplink Speed:

If Automatic Uplink Speed is disabled, this options allows you

to set the uplink speed manually. Uplink speed is the speed at

which data can be transferred from the router to your ISP. This

is determined by your ISP.

Connection Type:

By default, the router automatically determines whether

the underlying connection is an xDSL/Frame-relay network

or some other connection type (such as cable modem or

Ethernet), and it displays the result as Detected xDSL or

Frame Relay Network.

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