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51
D-Link DIR-857 User Manual
Section 3 - Configuration
This will allow you to open a single port or a range of ports.
Port Forwarding
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 TCP and/or UDP port or ports that you want to
open. You can enter a single port or a range of ports. Separate
ports with a common.
Example: 24,1009,3000-4000
Select
Allow All
(most common) or a created Inbound filter.
You may create your own inbound filters in the
Advanced
> Inbound Filter
page.
The schedule of time when 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.
Name:
IP Address:
TCP/UDP:
Inbound Filter:
Schedule:
Page 57 / 123
52
D-Link DIR-857 User Manual
Section 3 - Configuration
Enter a name for the rule. You may select a pre-defined
application from the drop-down menu and click
<<
.
This is the port used to trigger the application. It can be either
a single port or a range of ports.
Select the protocol of the trigger port (TCP, UDP, or Both).
This is the port number on the Internet side that will be used
to access the application. You may define a single port or a
range of ports. You can use a comma to add multiple ports
or port ranges.
Select the protocol of the firewall port (TCP, UDP, or Both).
The schedule of time when the Application 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.
Name:
Trigger:
Traffic Type:
Firewall:
Traffic Type:
Schedule:
Application Rules
Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony and others. These applications
have difficulties working through NAT (Network Address Translation). Special Applications makes some of these applications work with the
DIR-857. 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 firewall (public) ports associated with the trigger port to open them for inbound
traffic.
The DIR-857 provides some predefined applications in the table on the bottom of the web page. Select the application you want to use and enable it.
Page 58 / 123
53
D-Link DIR-857 User Manual
Section 3 - Configuration
QoS Engine
The QoS Engine option helps improve your network gaming performance by prioritizing applications. By default the QoS Engine settings are enabled.
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 QoS Engine
option is enabled. This option will allow your router to
automatically determine the uplink speed of your Internet
connection.
This displays the detected uplink speed.
The speed at which data can be transferred from the router
to your ISP. This is determined by your ISP.
This option is enabled by default. This will allow your
router to automatically determine the network priority of
running programs.
This option is enabled by default so that your router will
automatically determine which programs should have
network priority. For best performance, use the Automatic
Classification option to automatically set the priority for
your applications.
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.
Enable Traffic
Shaping:
Automatic Uplink
Speed:
Measured Uplink
Speed:
Manual Uplink
Speed:
Enabled
QoS Engine:
Automatic
Classification:
Dynamic
Fragmentation:
Page 59 / 123
54
D-Link DIR-857 User Manual
Section 3 - Configuration
A QoS Engine Rule identifies a specific message flow and assigns a priority to
that flow. For most applications, automatic classification will be adequate, and
specific QoS Engine Rules will not be required.
The QoS Engine supports overlaps between rules, where more than one rule
can match for a specific message flow. If more than one rule is found to match
the rule with the highest priority will be used.
Create a name for the rule that is meaningful to you.
The priority of the message flow is entered here -- 1 receives the highest priority
(most urgent) and 255 receives the lowest priority (least urgent).
The protocol used by the messages.
The rule applies to a flow of messages whose LAN-side IP address falls within
the range set here.
The rule applies to a flow of messages whose LAN-side port number is within
the range set here.
The rule applies to a flow of messages whose WAN-side IP address falls within
the range set here.
The rule applies to a flow of messages whose WAN-side port number is within
the range set here.
QoS Engine Rules:
Name:
Priority:
Protocol:
Local IP Range:
Local Port Range:
Remote IP Range:
Remote Port Range:
Page 60 / 123
55
D-Link DIR-857 User Manual
Section 3 - Configuration
Network Filters
Use MAC (Media Access Control) Filters to allow or deny LAN (Local Area Network) computers by their MAC addresses from accessing the Network. You
can either manually add a MAC address or select the MAC address from the list of clients that are currently connected to the Broadband Router.
Select
Turn MAC Filtering Off
,
Turn MAC Filtering ON
and ALLOW computers listed to access the network
, or
Turn MAC Filtering ON and DENY computers listed to
access the network
from the drop-down menu.
Enter the MAC address you would like to filter.
To find the MAC address on a computer, please refer to the
Networking Basics section in this manual.
Select a DHCP client from the drop-down menu and click
<<
to copy that MAC Address.
Click to remove the MAC address.
Configure MAC
Filtering:
MAC Address:
DHCP Client:
Clear:

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