D-Link Router DIR-857 User Manual

Wireless N Quadband HD Media Router
User Manual 

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D-Link DIR-857 User Manual
D-Link reserves the right to revise this publication and to make changes in the content hereof without obligation to notify any person or organization 
of such revisions or changes.
Manual Revisions
Trademarks
D-Link and the D-Link logo are trademarks or registered trademarks of D-Link Corporation or its subsidiaries in the United States or other countries. 
All other company or product names mentioned herein are trademarks or registered trademarks of their respective...

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D-Link DIR-857 User Manual
Table of Contents
Preface  ........................................................................\
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Manual Revisions  ........................................................................\
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Trademarks  ........................................................................\
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Product Overview  ........................................................................\
...... 1
Package...

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D-Link DIR-857 User Manual
Table of Contents
Virtual Server  ......................................................................................... 49
Port Forwarding  .................................................................................... 51
Application Rules  ................................................................................. 52
QoS Engine  ............................................................................................. 53
Network Filters...

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D-Link DIR-857 User Manual
Table of Contents
Tips ........................................................................\
.......................................... 112
Wireless Modes  ........................................................................\
................... 113
Networking Basics  ........................................................................\
. 114
Check your IP address  ........................................................................\
....... 114
Technical...

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D-Link DIR-857 User Manual
Section 1 - Product Overview
Product OverviewPackage Contents
Note: Using a power supply with a different voltage rating than the one included with the DIR-857 will cause damage and void the warranty. If any of the above items are missing, please contact your reseller.
DIR-857 Wireless N Quadband HD Media Router
Ethernet Cable
Power Adapter
CD-ROM with Manual and Setup Wizard  

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D-Link DIR-857 User Manual
Section 1 - Product Overview
System Requirements
Network Requirements • An Ethernet-based Cable or DSL modem
• IEEE 802.11n or 802.11g wireless clients
• IEEE 802.11a wireless clients
• 10/100/1000 Ethernet
Web-based Configuration  Utility Requirements Computer with the following:
• Windows®, Macintosh, or Linux-based operating system 
• An installed Ethernet adapter
Browser Requirements: • Internet Explorer 6.0 or higher
• Chrome 2.0 or higher
• Firefox 3.0 or higher
•...

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D-Link DIR-857 User Manual
Section 1 - Product Overview
Introduction
TOTAL PERFORMANCE
Combines award winning router features and 802.11a/n/g wireless technology to provide the best wireless performance.
TOTAL SECURITY
The most complete set of security features including Active Firewall and WPA2™ to protect your network against outside intruders.
TOTAL COVERAGE
Provides greater wireless signal rates even at farther distances for best-in-class Whole Home Coverage.
ULTIMATE PERFORMANCE
The D-Link...

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D-Link DIR-857 User Manual
Section 1 - Product Overview
•	 Faster	 Wireless	 Networking - The DIR-857 provides up to 900Mbps* wireless connection with other 802.11n wireless clients. This 
capability allows users to participate in real-time activities online, such as video streaming, online gaming, and real-time audio. 
The performance of this 802.11n wireless router gives you the freedom of wireless networking at speeds 13x faster than 802.11g.
•	 Compatible	with	802.11a/g	Devices - The DIR-857 is...

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D-Link DIR-857 User Manual
Section 1 - Product Overview
•	 Fast	and	Guarantee	 Wireless	Streaming	 for	Video	 Quality	 -	Whether set-top box or gaming console streaming media directly 
from the Internet, a NAS or PC, these devices share in common the need to connect with a router in order to communicate and 
establish the wireless media stream. The DIR-857 offers stability, fast wireless, and guaranteed performance for media streaming 
using the newest streaming engine technology.
•	 Storage	 for...