D-Link DIR855L User Manual
Preface
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
Revision Date Description
1.0 October 31, 2012 • Initial release for Revision A1
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 companies.
Copyright © 2012 by D-Link Systems, Inc.
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed written permission
from D-Link Systems, Inc.
iD-Link DIR-855L User Manual
Table of Contents
Table of Contents
Preface ................................................................................. i
Manual Revisions ........................................................................... i
Trademarks ...................................................................................... i
Product Overview .............................................................. 1
Package Contents .........................................................................1
System Requirements ................................................................. 2
Introduction ................................................................................... 3
Features ............................................................................................4
Hardware Overview ..................................................................... 5
Connections ........................................................................... 5
LEDs ........................................................................................... 6
Installation ......................................................................... 7
Before you Begin ...........................................................................7
Wireless Installation Considerations ......................................8
Manual Setup ................................................................................. 9
Connect to an Existing Router ...............................................11
Conguration ................................................................... 13
Quick Setup Wizard ....................................................................14
QRS Mobile App ..........................................................................21
Set up the router using your iPad or iPhone .............21
SharePort Mobile App ..............................................................22
App Installation ...................................................................22
Web-based Conguration Utility ..........................................26
Internet Connection Setup .............................................27
Static (assigned by ISP) ................................................28
Dynamic (Cable) .............................................................30
PPPoE (DSL) ......................................................................31
PPTP ....................................................................................33
L2TP ....................................................................................35
Wireless Settings .................................................................37
Manual Wireless Settings .................................................38
802.11n/g (2.4GHz) .......................................................38
802.11n/a (5GHz) ...........................................................39
Wireless Security .................................................................40
What is WPA? ...................................................................40
Wireless Security Setup Wizard .................................41
Add Wireless Device with WPS Wizard ...................43
WPA/WPA2-Personal (PSK) .........................................45
Congure WPA/WPA2-Enterprise (RADIUS)..........46
Network Settings ................................................................48
Router Settings ...............................................................48
DHCP Server Settings ................................................... 49
DHCP Reservation .........................................................51
Media Server.........................................................................52
Storage ..............................................................................53
Access Files from the Internet ...................................54
IPv6 ..........................................................................................55
IPv6 Internet Connection Setup Wizard ................56
IPv6 Manual Setup.........................................................61
iiD-Link DIR-855L User Manual
Table of Contents
mydlink Settings .................................................................70
Advanced ...............................................................................71
Virtual Server ................................................................... 71
Port Forwarding .............................................................72
Application Rules ...........................................................73
QoS Engine .......................................................................74
Network Filters ................................................................76
Access Control .................................................................77
Website Filters .................................................................80
Inbound Filters ................................................................81
Firewall Settings .............................................................82
Routing ..............................................................................84
Advanced Wireless ........................................................85
Wi-Fi Protected Setup (WPS) .....................................86
Advanced Network Settings ......................................88
Guest Zone .......................................................................89
IPv6 Firewall .....................................................................90
IPv6 Routing ....................................................................91
Tools ........................................................................................92
Admin.................................................................................92
Time ....................................................................................93
Status ................................................................................... 101
Device Info .................................................................... 101
Logs..................................................................................102
Statistics ......................................................................... 103
Internet Sessions ......................................................... 104
Routing ........................................................................... 105
Wireless...........................................................................106
IPv6 .................................................................................. 107
IPv6 Routing ................................................................. 108
Support ............................................................................... 109
Connect a Wireless Client to your Router ....................110
WPS Button ................................................................................ 110
Windows® 7 ................................................................................111
WPA/WPA2 ......................................................................... 111
WPS ....................................................................................... 114
Windows Vista® .........................................................................118
WPA/WPA2 ......................................................................... 119
WPS/WCN 2.0 .................................................................... 121
Windows® XP .............................................................................122
WPA/WPA2 ......................................................................... 123
SysLog ................................................................................94
E-mail Settings ................................................................95
System ...............................................................................96
Firmware ...........................................................................97
Language Pack ................................................................97
Dynamic DNS ..................................................................98
System Check ..................................................................99
Schedules ...................................................................... 100
Troubleshooting ............................................................125
Wireless Basics ...............................................................129
What is Wireless? ...................................................................... 130
Tips ................................................................................................ 132
Wireless Modes .........................................................................133
iiiD-Link DIR-855L User Manual
Table of Contents
Networking Basics .........................................................134
Check your IP address ............................................................ 134
Statically Assign an IP address ............................................ 135
Technical Specications ................................................136
Contacting Technical Support ......................................137
GPL Code Statement......................................................138
Warranty ......................................................................... 150
Registration ...................................................................157
ivD-Link DIR-855L User Manual
Section 1 - Product Overview
Wireless N900 Dual Band Gigabit Router
Ethernet Cable
Power Adapter
Product Overview
Package Contents
Quick Install Guide
If any of the above items are missing, please contact your reseller.
Note: Using a power supply with a dierent voltage rating than the one included with the DIR-855L will cause damage and void the warranty
for this product.
1D-Link DIR-855L User Manual
Section 1 - Product Overview
Network Requirements
Web-based Conguration
Utility Requirements
System Requirements
• An Ethernet-based Cable or DSL modem
• IEEE 802.11n or 802.11g wireless clients (2.4GHz)
• IEEE 802.11n or 802.11a wireless clients (5GHz)
• 10/100/1000 Ethernet
Computer with the following:
• Windows®, Macintosh, or Linux-based operating system
• An installed Ethernet adapter
Browser Requirements:
• Internet Explorer 7 or higher
• Firefox
• Chrome
• Safari 4 or higher
Windows® Users: Make sure you have the latest version of Java
installed. Visit www.java.com to download the latest version.
• iPhone/iPad/iPod Touch (iOS 3.0 or higher)
• Android device (1.6 or higher)
mydlink Requirements
(PC/Mac/Mobile Devices)
SharePort Mobile App
Requirements
iPhone, iPad, and iPod touch are registered trademarks of Apple Inc. Android is a trademark of Google, Inc.
• Computer with the following browser requirements:
• Internet Explorer 7 or higher
• Firefox
• Chrome
• Safari 5 or higher
• iPhone/iPad/iPod Touch (iOS 4.3 or higher)
• Android device (2.0 or higher)
2D-Link DIR-855L User Manual
Section 1 - Product Overview
Introduction
The D-Link Wireless N900 Dual Band Gigabit Router (DIR-855L) comes equipped with 4 Gigabit ports to provide speeds up
to 10x faster than standard 10/100 ports. It also uses 802.11n technology with multiple intelligent antennas to maximize the
speed and range of your wireless signal to signicantly outperform 802.11g devices.
With the addition of Intelligent Quality of Service (QoS), data streams are separated which helps organize and prioritize your
network trac so your video streaming, gaming, and VoIP calls run smoother over both your wired and wireless network.
The D-Link Cloud Service will allow you to always have access to your home network no matter where you go. Now you can
monitor and manage your home network right from your laptop, iPhone®, iPad®, or Android™ device. The cloud-enabled
router can be congured to send an e-mail to keep you informed anywhere, anytime when new devices are connecting to
your network or unwanted access is detected. Monitor in real-time websites that are being visited with recent browser history
displayed on the mydlink™ Lite app – which is great for parents.
The D-Link Cloud Service can detect and block unwelcome guests who try to get into your wireless network, and suspicious
activities will be displayed right on your mydlink™ Lite app or browser.
3D-Link DIR-855L User Manual
Section 1 - Product Overview
•FasterWirelessNetworking - The DIR-855L 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 faster than 802.11g.
•Compatiblewith802.11a/gDevices - The DIR-855L is still fully compatible with the IEEE 802.11g and 802.11a
standards, so it can connect with existing 802.11g and 802.11a PCI, USB, and Cardbus adapters.
•AdvancedFirewallFeatures - The Web-based user interface displays a number of advanced network
management features including:
• ContentFiltering - Easily applied content ltering based on MAC Address, URL, and/or Domain
Name.
Features
• FilterScheduling - These lters can be scheduled to be active on certain days or for a duration of
hours or minutes.
• Secure Multiple/Concurrent Sessions - The DIR-855L can pass through VPN sessions. It supports
multiple and concurrent IPSec and PPTP sessions, so users behind the DIR-855L can securely access
corporate networks.
•User-friendlySetupWizard - Through its easy-to-use Web-based user interface, the DIR-855L lets you control
what information is accessible to those on the wireless network, whether from the Internet or from your company’s
server. Congure your router to your specic settings within minutes.
* Maximum wireless signal rate derived from IEEE Standard 802.11a, 802.11g and 802.11n specications. Actual data throughput will vary. Network conditions and environmental
factors, including volume of network trac, building materials and construction, and network overhead, lower actual data throughput rate. Environmental conditions will
adversely aect wireless signal range.
4D-Link DIR-855L User Manual
Section 1 - Product Overview
Hardware Overview
Connections
1
2
3
4
5
6
1 USB Port Connect a USB ash drive to share content throughout your network.
2 WPS Button Press to start the WPS process. The Power LED will start to blink.
3 LAN Ports (1-4) Connect 10/100/1000 Ethernet devices such as computers, switches, storage (NAS) devices and game consoles.
4 Internet Port Using an Ethernet cable, connect your broadband modem to this port.
5 Power Button Press the power button to power on and o.
6 Power Receptor Receptor for the supplied power adapter.
5D-Link DIR-855L User Manual
Section 1 - Product Overview
Hardware Overview
LEDs
1
1 Power LED
2 Internet LED
2
A solid green light indicates a proper connection to the power supply. The light will blink green during
the WPS process and will be solid orange during boot-up.
A solid light indicates connection on the Internet port. If the LED is orange, the connection is good
but the router cannot connect to the Internet. If this LED is blinking orange, this indicates that the “on
demand” connection type is set and the Internet connection is idle.
6D-Link DIR-855L User Manual
Section 2 - Installation
Installation
This section will walk you through the installation process. Placement of the router is very important. Do not place the router
in an enclosed area such as a closet, cabinet, in the attic or garage.
Before you Begin
• Please congure the router with the computer that was last connected directly to your modem.
• You can only use the Ethernet port on your modem. If you were using the USB connection before using the router,
then you must turn o your modem, disconnect the USB cable and connect an Ethernet cable to the Internet port
on the router, and then turn the modem back on. In some cases, you may need to call your ISP to change connection
types (USB to Ethernet).
• If you have DSL and are connecting via PPPoE, make sure you disable or uninstall any PPPoE software such as WinPoet,
Broadjump or Enternet 300 from your computer or you will not be able to connect to the Internet.
• Several Internet providers (ISPs) such as Verizon and AT&T will supply you with a modem/router combo. Please verify
your modem is not also a router before installing. Connecting two routers together may not work correctly. If you
do have a modem/router combo, you must put your modem/router in Bridge mode to bypass the router functions
which will allow your DIR-855L router to work properly. Please contact your ISP or refer to your modem’s user guide
for more information.
7D-Link DIR-855L User Manual
Section 2 - Installation
Wireless Installation Considerations
The D-Link wireless router lets you access your network using a wireless connection from virtually anywhere within the
operating range of your wireless network. Keep in mind, however, that the number, thickness and location of walls, ceilings,
or other objects that the wireless signals must pass through, may limit the range. Typical ranges vary depending on the types
of materials and background RF (radio frequency) noise in your home or business. The key to maximizing wireless range is to
follow these basic guidelines:
1. Keep the number of walls and ceilings between the D-Link router and other network devices to a minimum each wall or ceiling can reduce your adapter’s range from 3-90 feet (1-30 meters.) Position your devices so that
the number of walls or ceilings is minimized.
2. Be aware of the direct line between network devices. A wall that is 1.5 feet thick (.5 meters), at a 45-degree angle
appears to be almost 3 feet (1 meter) thick. At a 2-degree angle it looks over 42 feet (14 meters) thick! Position
devices so that the signal will travel straight through a wall or ceiling (instead of at an angle) for better reception.
3. Building Materials make a dierence. A solid metal door or aluminum studs may have a negative eect on range.
Try to position access points, wireless routers, and computers so that the signal passes through drywall or open
doorways. Materials and objects such as glass, steel, metal, walls with insulation, water (sh tanks), mirrors, le
cabinets, brick, and concrete will degrade your wireless signal.
4. Keep your product away (at least 3-6 feet or 1-2 meters) from electrical devices or appliances that generate RF
noise.
5. If you are using 2.4GHz cordless phones or X-10 (wireless products such as ceiling fans, lights, and home security
systems), your wireless connection may degrade dramatically or drop completely. Make sure your 2.4GHz phone
base is as far away from your wireless devices as possible. The base transmits a signal even if the phone in not
in use.
8D-Link DIR-855L User Manual
Section 2 - Installation
Manual Setup
1. Turn o and unplug your cable or DSL broadband modem. This is required.
Modem
2. Position your router close to your modem and a computer. Place the router in an open area of your intended
work area for better wireless coverage.
3. Unplug the Ethernet cable from your modem (or existing router if upgrading) that is connected to your computer.
Plug it into the LAN port labeled 1 on the back of your router. The router is now connected to your computer.
Computer
USB
WPS
1
2
3
4
INTERNET
POWER
DIR-855L
9D-Link DIR-855L User Manual
Section 2 - Installation
4. Plug one end of the included blue Ethernet cable that came with your router into the yellow port labeled
INTERNET on the back of the router. Plug the other end of this cable into the Ethernet port on your modem.
DIR-855L
Modem
INTERNET
Computer
USB
WPS
1
2
3
4
INTERNET
POWER
5. Reconnect the power adapter to your cable or DSL broadband modem and wait for two minutes.
6. Connect the supplied power adapter into the power port on the back of the router and then plug it into a power
outlet or surge protector. Press the power button and verify that the power LED is lit. Allow one minute for the
router to boot up.
DIR-855L
USB
WPS
Modem
INTERNET
Computer
1
2
3
4
INTERNET
POWER
7. Open a web browser. For rst time setup, you will automatically be directed to the D-Link Setup Wizard. Skip to
page 14. If the wizard does not appear, you can manually log in and congure your router. Refer to page 26.
10D-Link DIR-855L User Manual
Section 2 - Installation
Connect to an Existing Router
Note: It is strongly recommended to replace your existing router with the DIR-855L instead of using both. If your modem is a combo
router, you may want to contact your ISP or manufacturer’s user guide to put the router into Bridge mode, which will ‘turn o’ the
router (NAT) functions.
If you are connecting the DIR-855L to an existing router to use as a wireless access point and/or switch, you will have to do the
following to the DIR-855L before connecting it to your network:
• Disable UPnP
• Disable DHCP
• Change the LAN IP address to an available address on your network. The LAN ports on the router cannot accept
a DHCP address from your other router.
To connect to another router, please follow the steps below:
1. Plug the power into the router. Connect one of your computers to the router (LAN port) using an Ethernet cable. Make sure
your IP address on the computer is 192.168.0.xxx (where xxx is between 2 and 254). Please see the Networking Basics section
for more information. If you need to change the settings, write down your existing settings before making any changes.
In most cases, your computer should be set to receive an IP address automatically in which case you will not have to do
anything to your computer.
2. Open a web browser, enter http://dlinkrouter.local and press Enter. When the login window appears, set the user name
to Admin and leave the password box empty. Click Log In to continue. Note that a rst time setup will automatically launch
the D-Link Setup Wizard. If the wizard appears, click Cancel.
3. Click on Advanced and then click Advanced Network. Uncheck the Enable UPnP checkbox. Click Save Settings to continue.
™
4. Click Setup and then click Network Settings. Uncheck the Enable DHCP Server checkbox. Click Save Settings to continue.
11D-Link DIR-855L User Manual
Section 2 - Installation
5. Under Router Settings, enter an available IP address and the subnet mask of your network. Click Save Settings to save your
settings. Use this new IP address to access the conguration utility of the router in the future. Close the browser and change
your computer’s IP settings back to the original values as in Step 1.
6. Disconnect the Ethernet cable from the router and reconnect your computer to your network.
7. Connect an Ethernet cable in one of the LAN ports of the router and connect it to your other router. Do not plug anything
into the Internet (WAN) port of the D-Link router.
8. You may now use the other three LAN ports to connect other Ethernet devices and computers. To congure your wireless
network, open a web browser and enter the IP address you assigned to the router. Refer to the Conguration section for
more information on setting up your wireless network.
12D-Link DIR-855L User Manual
Section 2 - Installation
Conguration
There are several dierent ways you can congure your router to connect to the Internet and connect to your clients:
• D-Link Setup Wizard - This wizard will launch when you log into the router for the rst time. Refer to page 14.
• QRS Mobile App - Use your iPhone, iPad, or iPod Touch to congure your router. Refer to page 21.
• Manual Setup - Log into and manually congure your router (advanced users only). Refer to page 26.
13D-Link DIR-855L User Manual
Section 3 - Conguration
Quick Setup Wizard
If this is your rst time installing the router, open your web
browser. You will automatically be directed to the Wizard Setup
screen.
If you have already congured your settings and you would like
to access the conguration utility, please refer to page 26.
This wizard is designed to guide you through a step-by-step
process to congure your new D-Link router and connect to the
Internet.
Click Next to continue.
Please wait while your router detects your internet connection
type. If the router detects your Internet connection, you may need
to enter your ISP information such as username and password.
14D-Link DIR-855L User Manual
Section 3 - Conguration
If the router does not detect a valid Ethernet connection from the
Internet port, this screen will appear. Connect your broadband modem
to the Internet port and then click Connect.
If the router detects an Ethernet connection but does not detect the type
of Internet connection you have, this screen will appear. Click Guide me
through the Internet Connection Settings to display a list of connection
types to choose from.
Select your Internet connection type and click Next to continue.
15D-Link DIR-855L User Manual
Section 3 - Conguration
If the router detected or you selected PPPoE, enter your PPPoE username
and password and click Next to continue.
Note: Make sure to remove your PPPoE software from your computer. The
software is no longer needed and will not work with a router.
If the router detected or you selected PPTP, enter your PPTP username,
password and other information supplied by your ISP. Click Next to continue.
If the router detected or you selected L2TP, enter your L2TP username,
password and other information supplied by your ISP. Click Next to
continue.
16D-Link DIR-855L User Manual
Section 3 - Conguration
If the router detected or you selected Static, enter the IP and DNS
settings supplied by your ISP. Click Next to continue.
For both the 2.4GHz and 5GHz segments, create a wireless network
name (SSID) using up to 32 characters.
Create a wireless security passphrase or key (between 8-63 characters).
Your wireless clients will need to have this passphrase or key entered
to be able to connect to your wireless network.
Click Next to continue.
In order to secure your router, please enter a new password. Check
the Enable Graphical Authentication box to enable CAPTCHA
authentication for added security. Click Next to continue.
17D-Link DIR-855L User Manual
Section 3 - Conguration
Select your time zone from the drop-down menu and click Next to
continue.
The Setup Complete window will display your wireless settings. Click
Save and Connect to continue.
If you want to create a bookmark to the router, click OK. Click Cancel if
you do not want to create a bookmark.
If you clicked Yes , a window may appear (depending on what web
browser you are using) to create a bookmark.
18D-Link DIR-855L User Manual
Section 3 - Conguration
To use the mydlink service (mydlink.com or the mydlink Lite app), you
must have an account. Select if you do have a mydlink account or if you
need to create one. Click Next to continue.
If you do not want to register at this time, click Cancel.
If you clicked Yes , enter your mydlink account name (e-mail address)
and password. Click Login to register your router.
If you clicked No, ll out the requested information and click Next to
create your mydlink account.
Your router setup is complete.
19D-Link DIR-855L User Manual
Section 3 - Conguration
The mydlink app will allow you to receive notices, browse network
users and congure your router from an iPhone/iPad/iPod Touch
(iOS 3.0 or higher), or Android device (1.6 or higher).
To download the mydlink Lite app, visit the Apple Store, Android
Market or http://mydlink.com/Lite.
PC and Mac users can use the mydlink portal at http://mydlink.com.
20D-Link DIR-855L User Manual
Section 3 - Conguration
QRS Mobile App
Set up the router using your iPad or iPhone
D-Link oers an app for your iPad, iPod Touch, iPhone (iOS 4.3 or higher), or Android device to install and congure your router.
Step 1
From your mobile device, go to the iTunes Store or Google Play
and search for “D-Link.” Select QRS Mobile and then download it.
Step 2
Once your app is installed, you may now congure your router.
Connect to the router wirelessly by going to your wireless utility
on your device. Scan for the wireless network name (SSID) as
listed on the supplied info card. Select and then enter your
security password (Wi-Fi Password).
Step 3
Once you connect to the router, launch the QRS Mobile app and
it will guide you through the installation of your router.
21D-Link DIR-855L User Manual
Section 3 - Conguration
SharePort Mobile App
The SharePort™ Mobile app makes it simple to access media saved on your USB drive right from your iPhone, iPad or Android device. Just follow the
three simple steps below:
1. Download the SharePort Mobile app from the Apple App Store or the Google play store to your mobile device.
2. Plug the USB ash drive with media content such as movies (mov or mp4), music (mp3 or wav), photos (jpg, bmp, gif or png), or documents (key,
pages, numbers, txt, ref, doc, PPt, XIS, or Pdf) to the DIR-855L.
3. Connect your mobile device wirelessly to the DIR-855L. Open the SharePort Mobile app and you will be able to stream your movies, music and
photos to all your mobile devices.
Note: You must enable the SharePort Web Access option from the Setup > Storage page (refer to page 52 - manual setup) for this app to work properly.
App Installation
1. Insert your USB thumb drive or external hard drive into the DIR-855L.
2. Scan this code using a barcode scanner app (e.g, Bakodo or RedLaser) from your iOS or Android device. If you do not have the app, search
for ”D-link SharePort Mobile“ from the App Store or Google play. You will be directed to the App Store or the Google play store to begin the
installation process. Please make sure you have an Internet connection before downloading the app.
22D-Link DIR-855L User Manual
Section 3 - Conguration
3. From your mobile device, click Settings.
4. iOS (shown) - Press Wi-Fi, select the wireless network (SSID) that you
created in the setup and then enter your Wi-Fi password.
Android - Press Wireless & Networks > Wi-FiSettings and then select
the wireless network (SSID) that you created in the setup. Enter your Wi-Fi
password.
Settings
5. Once connected, click on the SharePort Mobile icon.
23D-Link DIR-855L User Manual
Section 3 - Conguration
6. The following screen will appear.
7. Click on Settings icon located on the right top corner of the screen.
Click Edit to enter your User Name and Password. Once you nish, click
Done to continue.
8. For the Movie section, click the Movie icon to play your movie from your
USB ash drive.
9. For the Music section, click the Music icon to play your music from your
USB ash drive.
24D-Link DIR-855L User Manual
Section 3 - Conguration
10. For the Photo section, click the Photo icon to view your photos from
your USB ash drive.
11. For the Files section, click on the Files icon to view your les from your
USB ash drive.
12. For the Folder section, click the Folder icon to view your folders
from your USB ash drive.
25D-Link DIR-855L User Manual
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