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DSL-6740U
User Manual [ru]
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User Manual
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Dlink DSL-6740U User Manual

User Manual
DSL-6740U
VDSL/Ethernet Router with Wi-Fi and Built-in Switch
May 2013
DSL-6740U VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Contents
Contents and Audience.......................................................4
Conventions.................................................................4
Document Structure..........................................................4
General Information.........................................................5
Specifications..............................................................6
Product Appearance.........................................................11
Front Panel and Left Side Panel..........................................11
Back Panel...............................................................13
Delivery Package...........................................................14
Before You Begin...........................................................15
Connecting to PC...........................................................16
PC with Ethernet Adapter.................................................16
Obtaining IP Address Automatically in OS Windows XP......................17
Obtaining IP Address Automatically in OS Windows 7.......................20
PC with Wi-Fi Adapter....................................................25
Configuring Wi-Fi Adapter in OS Windows XP...............................26
Configuring Wi-Fi Adapter in OS Windows 7................................27
Connecting to Web-based Interface..........................................29
Web-based Interface Structure..............................................30
Saving and Restoring Settings..............................................33
Click'n'Connect............................................................35
Creating WAN Connection..................................................37
PPPoE or PPPoA Connection..............................................37
IPoA or Static IP Connection...........................................44
Dynamic IP Connection..................................................50
Bridge Connection......................................................56
Checking Internet Availability...........................................60
Configuring Wireless Connection..........................................61
Wireless Network Settings Wizard...........................................64
Virtual Server Settings Wizard.............................................67
Status.....................................................................69
Network Statistics.......................................................69
DSL Status...............................................................70
WAN Status...............................................................71
DHCP.....................................................................72
Routing Table............................................................73
Clients..................................................................74
Net........................................................................75
WAN......................................................................75
Creating VDSL WAN Connection...........................................76
Creating ADSL WAN Connection...........................................81
Creating Ethernet WAN Connection.......................................88
LAN......................................................................94
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Wi-Fi......................................................................97
Basic Settings...........................................................97
Security Settings........................................................99
MAC Filter..............................................................102
Station List............................................................104
WPS.....................................................................105
Using WPS Function via Web-based Interface............................107
Using WPS Function without Web-based Interface........................107
Additional Settings.....................................................109
Advanced..................................................................111
UPnP....................................................................112
Interface Grouping......................................................113
DDNS....................................................................117
DNS.....................................................................118
Routing.................................................................119
ADSL....................................................................121
Remote Access...........................................................122
TR-069 Client...........................................................124
Firewall..................................................................126
IP Filters..............................................................126
Virtual Servers.........................................................129
DMZ.....................................................................132
Application Rules.......................................................133
MAC Filter..............................................................135
Control...................................................................137
Parent Control..........................................................137
URL Filter..............................................................140
System....................................................................142
Administrator Password..................................................143
Configuration...........................................................144
System Log..............................................................145
Firmware Upgrade........................................................147
NTP Client..............................................................149
Telnet..................................................................150
Safety Instructions.......................................................151
Wireless Installation Considerations......................................152
Creating Two Connections on One Channel...................................153
VDSL WAN Connections....................................................153
ADSL WAN Connections....................................................154
Ethernet WAN Connections................................................155
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Introduction

CHAPTER 1. INTRODUCTION

Contents and Audience

This manual describes the router DSL-6740U and explains how to configure and operate it.
This manual is intended for users familiar with basic networking concepts, who create an in-home local area network, and system administrators, who install and configure networks in offices.

Conventions

Example Description
text The body text of the manual.
Before You Begin A reference to a chapter or section of this manual.
“Quick Installation Guide” A reference to a document.
Change
A name of a menu, menu item, control (field, checkbox, drop­down list, button, etc.).
192.168.1.1
Data that you should enter in the specified field.
!
Information An important note.

Document Structure

Chapter 1 describes the purpose and structure of the document.
Chapter 2 gives an overview of the router's hardware and software features and describes its
appearance and the package contents.
Chapter 3 explains how to install the wireless router DSL-6740U and configure a PC in order to access its web-based interface.
Chapter 4 describes all pages of the web-based interface in detail.
Chapter 5 includes safety instructions and tips for networking and configuring the device.
Chapter 6 introduces abbreviations and acronyms used in this manual.
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Overview

CHAPTER 2. OVERVIEW

General Information

The DSL-6740U device is an affordable high-end VDSL/Ethernet router developed for home and SOHO (Small Office/Home Office) networks. It provides fast and simple broadband access to the Internet and a shared connection for multi users. The device allows accessing the Internet via VDSL/ADSL technology and via Ethernet technology.
DSL-6740U provides all the essentials for creating a secure high-speed wireless and wired network: VDSL2/VDSL/ADSL2+/ADSL2/ADSL standards, Fast Ethernet standard, the built-in firewall, the QoS engine, and numerous additional features.
The router is equipped with a VDSL port to connect to a high-speed VDSL line. The built-in 4-port switch enables you to connect Ethernet-enabled computers, game consoles, and other devices to your network. In addition, any Ethernet port of the device can be used to connect to a private Ethernet line.
Also DSL-6740U can operate as a base station for connecting wireless devices of the standards
802.11b, 802.11g, and 802.11n. The router supports multiple functions for the wireless interface: several security standards (WEP, WPA/WPA2), MAC address filtering, and the WPS function.
The wireless router DSL-6740U includes a built-in firewall. The advanced security functions minimize threats of hacker attacks, prevent unwanted intrusions to your network, and block access to unwanted websites for users of your LAN.
You can configure and manage the settings of the wireless router DSL-6740U via the user-friendly web-based interface (the interface is available in several languages).
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Specifications
*
Interfaces
• VDSL: 1 RJ-11 port
• LAN: 4 RJ-45 10/100BASE-TX Fast Ethernet ports
• WLAN: built-in 802.11b, g, and n wireless interface
Frequency Range
• 802.11b
◦ 2400 ~ 2484MHz ISM band
• 802.11g
◦ 2400 ~ 2484MHz ISM band
• 802.11n
◦ ISM band
◦ Channel frequency for HT40: 2422 ~ 2452MHz
◦ Channel frequency for HT20: 2400 ~ 2483.5MHz
Wireless Data Rate
• 802.11b: 11, 5.5, 2, 1Mbps per channel, auto fallback
• 802.11g: 54, 48, 36, 24, 18, 12, 9, 6Mbps per channel, auto fallback
• 802.11n
◦ HT20: up to 150Mbps
◦ HT40: up to 300Mbps
Modulation Schemes
• 802.11b: CCK, DQPSK, DBPSK
• 802.11g: 64QAM, 16QAM, QPSK, BPSK, DSSS
• 802.11n
◦ HT20 and HT40: 64 QAM, 16QAM, QPSK, BPSK
Wireless Network Range
1
• Indoors: up to 300 feet (100 meters)
• Outdoors: up to 900 feet (300 meters)
* The device features are subject to change without notice. For the latest versions of the firmware and relevant
documentation, visit www.dlink.ru.
1 Wireless network range varies depending on the actual environment.
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Overview
VDSL/ADSL Standards
• VDSL2
◦ ITU G.993.2
◦ Support of 8a, 8b, 8c, 8d, 12a, 12b, 17a, 30a profiles
• ADSL
◦ Multi-mode, ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2
(G.lite) Annex A, ITU-T G.994.1 (G.hs)
• ADSL2
◦ ITU-T G.992.3 (G.dmt.bis) Annex A/L/M, ITU-T G.992.4 (G.lite.bis) Annex A
• ADSL2+
◦ ITU-T G.992.5 Annex A/L/M
WAN Connection Types
• VDSL
◦ PPPoE
◦ Static IP
◦ Dynamic IP
◦ Bridge
• ADSL
◦ PPPoE
◦ PPPoA
◦ IPoA
◦ Static IP
◦ Dynamic IP
◦ Bridge
• Ethernet
◦ PPPoE
◦ Static IP
◦ Dynamic IP
◦ Bridge
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Wireless Network
• IEEE 802.11n standard, IEEE 802.11b/g compliant
• Support of guest wireless network
• WEP data encryption
• WPA/WPA2 security supporting TKIP, AES and TKIP+AES
• MAC-based access to wireless network
• PIN and PBC methods of WPS
• Advanced settings
ATM/PPP Protocols
• Bridged and routed Ethernet encapsulation
• VC-based or LLC-based multiplexing
• ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)
• ATM Adaptation Layer Type 5 (AAL5)
• ITU-T I.610 OAM F4/F5 loopback
• ATM QoS
• PPP over ATM (RFC 2364)
• PPP over Ethernet (PPPoE)
• Keep-alive for PPP connections
Network Protocols and Functions
• Additional IP address for LAN interface
• Static IP routing
• NAT (Network Address Translation)
• DHCP server/client/relay
• DNS relay
• DDNS
• UPnP
• Support of VLAN
• IGMP proxy
• IGMP snooping
• TR-069 client
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Firewall and Access Management Functions
• Network Address Translation (NAT)
• Stateful Packet Inspection (SPI)
• MAC filtering based on time of day and day of week
• URL filter
• Packet filtering (IP/ICMP/TCP/UDP)
• Virtual servers
• Prevention of DoS attacks
• Intrusion detection system
• DMZ
• Port Triggering
QoS
• Interface grouping
• VLAN priority (802.1p)
Configuration and Management
• Multilingual web-based interface for configuration and management
• Access via TELNET
• Firmware update via web-based interface
• Saving/restoring configuration to/from file
• Support of remote logging
• Automatic synchronization of system time with NTP server and manual time/date setup
LEDs
• Power
• DSL
• Internet
• LAN 1-4
• WLAN
• WPS
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Power
• External power adapter DC 12V/1A
• ON/OFF power switch
• Enable/disable wireless connection button
• Reset to Factory Defaults button
• WPS button
Operating Temperature
• From 0 to 40 °C (from 32 to 104 °F)
Storage Temperature
• From -20 to 70 °C (from -4 to 158 °F)
Humidity
• From 5% to 95% non-condensing
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Product Appearance

Front Panel and Left Side Panel

Figure 1. Front panel view.
LED Mode Description
Power
Solid green
The router is powered on.
No light
The router is powered off.
Solid red
The router is in the crash recovery mode.
DSL
Solid green
DSL has been synchronized.
Blinking green
Detecting a carrier signal and synchronizing DSL.
No light
No carrier signal.
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LED Mode Description
Internet
Solid green
A WAN connection (VDSL/ADSL and/or Ethernet) is established.
Blinking green
The WAN interface is active (upstream or downstream traffic).
Solid red
An authorization failure.
No light
The router is in the bridge mode or no WAN connection (neither Ethernet nor VDSL/ADSL) is established.
LAN 1-4
Solid green
A device is connected to the port of the router (for the LAN port configured as the WAN port: the router is connected to an Ethernet line).
Blinking green
The relevant LAN port is active (upstream or downstream traffic).
WLAN
Solid green
The router's WLAN is on.
Blinking green
The WLAN interface is active (upstream or downstream traffic).
WPS
Solid green
A wireless device is connected to the router's WLAN (lights for several minutes).
Blinking green
Attempting to add a wireless device via the WPS function.
The WPS, WLAN, and ON/OFF buttons are located on the left side panel. The WPS button is designed to quickly add wireless devices to the router's WLAN. The WLAN button is designed to enable/disable the router's wireless network. The ON/OFF button is designed to enable/disable the device.
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Back Panel

Figure 2. Back panel view.
Port Description
DSL
A DSL port to connect the router to the telephone line.
LAN 1-4
4 Ethernet ports to connect Ethernet devices. One port can be used to connect to a private Ethernet line.
RESET
A button to restore the factory default settings.
To restore the factory defaults, push the button (with the device turned on), hold it for 5 seconds, and then release the button.
Power
Power connector.
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Delivery Package

The following should be included:
• Wireless router DSL-6740U
• Power adapter DC 12V/1A
• RJ-11 telephone cable
• Ethernet cable (CAT 5E)
• Splitter
• “Quick Installation Guide” (brochure).
The “User Manual” and “Quick Installation Guide” documents in Russian and English are available on D-Link website (see ftp://dlink.ru/pub/VDSL2/DSL-6740U/Description/).
!
Using a power supply with a different voltage rating than the one included will cause damage and void the warranty for this product.
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Installation and Connection

CHAPTER 3. INSTALLATION AND CONNECTION

Before You Begin

Please, read this manual prior to installing the device. Make sure that you have all the necessary information and equipment.
Operating System
Configuration of the multifunction wireless VDSL/Ethernet router DSL-6740U (hereinafter referred to as “the router”) is performed via the built-in web-based interface. The web-based interface is available from any operating system that supports a web browser.
Web Browser
The following web browsers are recommended:
• Apple Safari 5 and later
• Google Chrome 5 and later
• Microsoft Internet Explorer 7 and later
• Mozilla Firefox 5 and later
• Opera 10 and later.
For successful operation, JavaScript should be enabled on the web browser. Make sure that JavaScript has not been disabled by other software (such as virus protection or web user security packages) running on your computer.
Wired or Wireless NIC (Ethernet or Wi-Fi Adapter)
Any computer that uses the router should be equipped with an Ethernet or Wi-Fi adapter (NIC). If your computer is not equipped with such a device, install an Ethernet or Wi-Fi adapter prior to using the router.
Wireless Connection
Wireless workstations from your network should be equipped with a wireless 802.11b, g, or n NIC (Wi-Fi adapter). In addition, you should specify the values of SSID, channel number and security settings defined in the web-based interface of the router for all these wireless workstations.
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Connecting to PC

PC with Ethernet Adapter

1. Make sure that your PC is powered off.
2. Connect an Ethernet cable between any of four Ethernet ports located on the back panel of the router and the Ethernet port of your PC.
3. To connect the router to a DSL line: connect a phone cable between the DSL port of the router and the MODEM port of the splitter. Connect your phone to the PHONE port of the splitter. Then connect another phone cable between a phone jack and the LINE port of the splitter.
4. To connect the router to an Ethernet line: connect the Ethernet cable between any of four Ethernet ports located on the back panel of the router and the Ethernet line.
5. Connect the power cord to the power connector port on the back panel of the router, then plug the power adapter into an electrical outlet or power strip.
6. Turn on the router by pressing the ON/OFF button on its left side panel.
7. Turn on your PC and wait until your operating system is completely loaded.
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Obtaining IP Address Automatically in OS Windows XP

1. Click the Start button and proceed to the Control Panel > Network and Internet Connections > Network Connections window.
2. In the Network Connections window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed.
Figure 3. The Network Connections window.
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3. In the Local Area Connection Properties window, on the General tab, select the Internet Protocol (TCP/IP) line. Click the Properties button.
Figure 4. The Local Area Connection Properties window.
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4. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button.
Figure 5. The Internet Protocol (TCP/IP) Properties window.
5. Click the ОК button in the connection properties window.
Now your computer is configured to obtain an IP address automatically.
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Obtaining IP Address Automatically in OS Windows 7

1. Click the Start button and proceed to the Control Panel window.
2. Select the Network and Sharing Center section. (If the Control Panel has the category view (the Category value is selected from the View by drop-down list in the top right corner of the window), choose the View network status and tasks line under the Network and Internet section.)
Figure 6. The Control Panel window.
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3. In the menu located on the left part of the window, select the Change adapter settings line.
Figure 7. The Network and Sharing Center window.
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4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed.
Figure 8. The Network Connections window.
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5. In the Local Area Connection Properties window, on the Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) line. Click the Properties button.
Figure 9. The Local Area Connection Properties window.
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6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button.
Figure 10. The Internet Protocol Version 4 (TCP/IPv4) Properties window.
7. Click the OK button in the connection properties window.
Now your computer is configured to obtain an IP address automatically.
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PC with Wi-Fi Adapter

1. To connect the router to a DSL line: connect a phone cable between the DSL port of the router and the MODEM port of the splitter. Connect your phone to the PHONE port of the splitter. Then connect another phone cable between a phone jack and the LINE port of the splitter.
2. To connect the router to an Ethernet line: connect the Ethernet cable between any of four Ethernet ports located on the back panel of the router and the Ethernet line.
3. Connect the power cord to the power connector port on the back panel of the router, then plug the power adapter into an electrical outlet or power strip.
4. Turn on the router by pressing the ON/OFF button on its left side panel.
5. Turn on the router's wireless connection by pressing the WLAN button on its left side panel.
6. Turn on your PC and wait until your operating system is completely loaded.
7. Turn on your Wi-Fi adapter. As a rule, modern notebooks with built-in wireless NICs are equipped with a button or switch that turns on/off the wireless adapter (refer to your PC documents). If your PC is equipped with a pluggable wireless NIC, install the software provided with your Wi-Fi adapter.
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Configuring Wi-Fi Adapter in OS Windows XP

1. Click the Start button and proceed to the Control Panel > Network and Internet Connections > Network Connections window.
2. Select the icon of the wireless network connection and make sure that your Wi-Fi adapter is on.
Figure 11. The Network Connections window.
3. Search for available wireless networks.
4. In the opened Wireless Network Connection window, select the wireless network DSL- 6740U and click the Connect button.
After that the Wireless Network Connection Status window appears.
!
If you perform initial configuration of the router via Wi-Fi connection, note that immediately after changing the wireless default settings of the router you will need to reconfigure the wireless connection using the newly specified settings.
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Configuring Wi-Fi Adapter in OS Windows 7

1. Click the Start button and proceed to the Control Panel window.
2. Select the Network and Sharing Center section. (If the Control Panel has the category view (the Category value is selected from the View by drop-down list in the top right corner of the window), choose the View network status and tasks line under the Network and Internet section.)
Figure 12. The Control Panel window.
3. In the menu located on the left part of the window, select the Change adapter settings line.
4. In the opened window, select the icon of the wireless network connection and make sure that your Wi-Fi adapter is on.
5. To open the list of available wireless networks, select the icon of the wireless network connection and click the Connect To button or left-click the network icon in the notification area located on the right side of the taskbar.
Figure 13. The notification area of the taskbar.
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6. In the opened window, in the list of available wireless networks, select the wireless network DSL-6740U and click the Connect button.
Figure 14. The list of available networks.
7. Wait for about 20-30 seconds. After the connection is established, the network icon will be displayed as the signal level scale.
!
If you perform initial configuration of the router via Wi-Fi connection, note that immediately after changing the wireless default settings of the router you will need to reconfigure the wireless connection using the newly specified settings.
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Connecting to Web-based Interface

When you have configured your computer, you can access the web-based interface and configure needed parameters (for example, create an interface to connect to the Internet, change the parameters of the wireless network, specify the settings of the firewall, edit the password for the administrator account, etc.)
1. Start a web browser (see the Before You Begin section, page 15).
2. In the address bar of the web browser, enter the IP address of the router (by default, the following IP address is specified: 192.168.1.1). Press the Enter key.
Figure 15. Connecting to the web-based interface of the DSL-6740U device.
3. On the opened page, enter the username and password for the administrator account in the Login and Password fields correspondingly (by default, the following username and password are specified: admin, admin). Then click the Enter link.
Figure 16. The login page.
!
If the error “ The page cannot be displayed ” (or “ Unable to display the page ”/“ Could not connect to remote server ”) occurs upon connecting to the web-based interface of the router,
make sure that you have properly connected the router to your computer.
!
For security reasons, it is strongly recommended to change the administrator password upon initial configuration of the router . To do this, click the Advanced settings link and proceed to the System / Administrator password page.
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Web-based Interface Structure

After successful registration the router's quick settings page opens.
Figure 17. The quick settings page.
The web-based interface of the router is multilingual. Select a needed language from the menu displayed when the mouse pointer is over the Language caption. You can change the language of the web-based interface in any menu item.
Figure 18. Changing the language of the web-based interface.
After selecting the language, the notification on unsaved changes will be displayed. Click the Save
icon ( ) to save the current language of the web-based interface as the default language.
The quick settings page displays general information on the router and its software, and data on the DSL connection state.
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