D-Link DGL-4100 Router Manual PDF (Setup & Configuration Guide)

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Using the Configuration Interface

21

D-Link Systems, Inc.

Add/Edit Virtual Server

Name of the virtual server, such as Web Server.

The IP address of the system on your internal network that will provide the

virtual service, such as 192.168.0.50.

Select the protocol used by the service.

The port that will be used on your internal network.

The port that will be accessed from the Internet.

Select a schedule for when this rule is in effect. If you do not see the schedule

you need in the list of schedules, go to the Tools -> Schedules screen and

create a new schedule.

Saves the new rule or modified existing rule to the Rules list. When you are

done editing the settings, you must click the Save Settings button at the top

of the page to make the changes effective and permanent.

Virtual Servers List

Entries on this list can be enabled/disabled by toggling the Enable checkbox. Entries can be modified

by clicking on the paper and pencil icon. To delete an entry, click on the trash can icon. After you’ve

completed all modifications or deletions, you must click the

Save Settings

button at the top of the

page to save your changes. The router must reboot before new settings will take effect. You will be

prompted to

Reboot the Device

or

Continue

. If you need to make additional settings changes, click

Continue

. If you are finished with your configuration settings, click the

Reboot the Device

button.

Virtual Server Rule:

IP Address:

Protocol:

Private Port:

Public Port:

Schedule:

Save:

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Using the Configuration Interface

22

D-Link Systems, Inc.

Special Applications

The Special Application section is used to open single or multiple ports on your router when the

router senses data sent to the Internet on a ‘trigger’ port or port range. Special Applications rules

apply to all computers on your internal network.

Application Level Gateway (ALG) Configurations

Here you can enable or disable ALG’s. Some protocols and applications require special handling of

the IP payload to make them work with network address translation (NAT). Each ALG provides

special handling for a specific protocol or application. A number of ALGs for common applications are

enabled by default.

Allows multiple machines on the LAN to connect to their corporate network

using PPTP protocol.

Allows multiple VPN clients to connect to their corporate network using IPSec.

Some VPN clients support traversal of IPSec through NAT. This ALG may

interfere with the operation of such VPN clients. If you are having trouble

connecting with your corporate network, try turning this ALG off.

Please

check with the system adminstrator of your corporate network whether your

VPN client supports NAT traversal.

Allows applications that use Real Time Streaming Protocol to receive

streaming media from the internet. QuickTime and Real Player are some of

the common applications using this protocol.

Allows FTP clients and servers to transfer data across NAT. Refer to the

Advanced -> Virtual Server page if you want to host an FTP server.

Allows Microsoft NetMeeting clients to communicate across NAT. Note that

if you want your buddies to call you, you should also set up a virtual server

for NetMeeting. Refer to the Advanced -> Virtual Server page for information

on how to set up a virtual server.

Allows devices and applications using VoIP (Voice over IP) to communicate

across NAT. Some VoIP applications and devices have the ability to discover

NAT devices and work around them. This ALG may interfere with the

operation of such devices. If you are having trouble making VoIP calls, try

turning this ALG off.

Allows Windows Media Player, using MMS protocol, to receive streaming

media from the internet.

Allows multiple machines on the LAN to connect to their corporate network

using the L2TP protocol.

PPTP:

IPSec VPN:

RTSP:

FTP:

NetMeeting:

SIP:

MMS:

L2TP:

Advanced > Special Applications

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Using the Configuration Interface

23

D-Link Systems, Inc.

Add/Edit Special Applications Rule

The Special Application section is used to open single or multiple ports on your router when the

router senses data sent to the Internet on a “trigger” port or port range. Special Applications rules

apply to all computers on your internal network.

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.

Enter the outgoing port range used by your application.

Select the outbound protocol used by your application.

Enter the port range that you want to open up to Internet traffic.

Select the protocol used by the Internet traffic coming back into the router

through the opened port range.

Select a schedule for when this rule is in effect. If you do not see the schedule

you need in the list of schedules, go to the Tools -> Schedules screen and

create a new schedule.

Saves the new rule or modified existing rule to the Rules list. When you are

done editing the settings, you must click the Save Settings button at the top

of the page to make the changes effective and permanent.

Special Applications Rules List

Entries on this list can be enabled/disabled by toggling the Enable checkbox. Entries can be modified

by clicking on the paper and pencil icon. To delete an entry, click on the trash can icon. After you’ve

completed all modifications or deletions, you must click the

Save Settings

button at the top of the

page to save your changes. The router must reboot before new settings will take effect. You will be

prompted to

Reboot the Device

or

Continue

. If you need to make additional settings changes, click

Continue

. If you are finished with your configuration settings, click the

Reboot the Device

button.

Rule Name:

Trigger Port Range:

Trigger Port Protocol:

Input Port Range:

Input Port Protocol:

Schedule:

Save:

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Using the Configuration Interface

24

D-Link Systems, Inc.

Gaming

The Gaming 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:

Add/Edit Game Rule

Give the Gaming Rule a name that is meaningful to you, such as Game

Server. You can also select from a list of pre-defined rules for many popular

games. If you have any trouble with pre-defined rules, verify whether the

port values have changed since the list was created. You also must fill in the

IP address field.

Enter the local network IP address of the system hosting the game server,

such as 192.168.0.50.

Enter the TCP ports to open, such as 6159-6180, 99

Enter the UDP ports to open, such as 6159-6180, 99

Select a schedule for when this rule is in effect. If you do not see the schedule

you need in the list of schedules, go to the Tools -> Schedules screen and

create a new schedule.

Saves the new rule or modified existing rule to the Rules list. When you are

done editing the settings, you must click the Save Settings button at the top

of the page to make the changes effective and permanent.

Game Rules List

Entries on this list can be enabled/disabled by toggling the Enable checkbox. Entries can be modified

by clicking on the paper and pencil icon. To delete an entry, click on the trash can icon. After you’ve

completed all modifications or deletions, you must click the

Save Settings

button at the top of the

page to save your changes. The router must reboot before new settings will take effect. You will be

prompted to

Reboot the Device

or

Continue

. If you need to make additional settings changes, click

Continue

. If you are finished with your configuration settings, click the

Reboot the Device

button.

Rule Name:

IP Address:

TCP Ports To Open:

UDP Ports To Open:

Schedule:

Save:

Advanced > Gaming

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Using the Configuration Interface

25

D-Link Systems, Inc.

Enable GameFuel:

Automatic

Classification:

Dynamic

Fragmentation:

Max. IP Fragment

Size:

Uplink Speed:

GameFuel

™

The GameFuel

™

option helps improve your network gaming performance by prioritizing applications.

By default the GameFuel settings are disabled and application priority is not automatically classified.

GameFuel

™

Setup

This option is disabled by default. Enable this option for better performance

and experience with online games and other interactive applications, such

as VoIP.

This option is enabled by default when the GameFuel option is enabled.

This option will allow your router to automatically determine which programs

should have network priority.

This option should be enabled when you have a slot Internet uplink. It helps

to reduce the impact that large low priority network packets can have on

more urgent ones.

If Dynamic Fragmentation is enabled, you can fine tune the fragment size.

The default value is 576. Select a smaller size if you have a slow uplink and

VoIP quality is not optimal; select a larger size for faster uplinks.

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

is determined by your ISP. ISP’s often speed as a download/upload pair. For

example, 1.5Mbits/284Kbits. Using this example, you would enter 284.

Alternatively you can test your uplink speed with a service such as

www.dslreports.com.

Advanced > GameFuel

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