Version 1.1 | 10/30/2012
User Manual
Wireless N300 Cloud VPN Router
DIR-640L
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
1.1 October 30, 2012 • Initial release
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 Corporation.
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed written permission
from D-Link Corporation.
iD-Link DIR-640L 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
Back............................................................................................ 5
Front .......................................................................................... 6
Installation .........................................................................7
Before you Begin ...........................................................................7
Wireless Installation Considerations ......................................8
Wall-Mount Kit Installation ....................................................... 9
Hardware Setup ..........................................................................10
Conguration ...................................................................12
Web Setup Wizard ......................................................................12
Web-based Conguration Utility ..........................................16
Internet Connection Setup .....................................................17
Internet Connection Wizard ............................................17
Manual Internet Connection ..........................................19
Static (assigned by ISP) ................................................20
Dynamic (Cable) .............................................................21
PPPoE (DSL) ......................................................................22
PPTP ....................................................................................23
L2TP ....................................................................................24
Dial-Up ...............................................................................25
3G ........................................................................................26
Russian PPPoE .................................................................27
Russian L2TP ....................................................................28
Russian PPTP ....................................................................29
Wireless Settings .........................................................................30
Wireless Setup Wizard .......................................................31
WPS Connection Wizard ...................................................33
Manual Wireless Settings .................................................35
Network Settings ........................................................................38
VPN Settings .................................................................................39
VPN Setup Wizard ...............................................................39
Dynamic IPSec VPN .......................................................40
IPSec VPN ..........................................................................41
PPTP VPN ...........................................................................42
L2TP VPN ...........................................................................43
VPN Manual Settings .........................................................44
IPSec Settings ..................................................................45
PPTP/L2TP Settings .......................................................47
GRE Settings ....................................................................48
Advanced .........................................................................49
Virtual Server ................................................................................49
Application Rules ........................................................................50
QoS Engine ...................................................................................51
iiD-Link DIR-640L User Manual
Table of Contents
Network Filter ..............................................................................53
Web Filter.......................................................................................54
Firewall Setting ............................................................................55
Routing ...........................................................................................57
Advanced Network Settings ...................................................58
IPv6 ..................................................................................................59
Static IPv6 ..............................................................................60
DHCP .......................................................................................61
PPPoE ......................................................................................62
IPv6 over IPv4 Tunneling ..................................................63
6 to 4 Tunneling ...................................................................64
6rd ............................................................................................65
Link-Local Connectivity ....................................................66
IPv6 Firewall ..................................................................................67
User Group ....................................................................................68
Maintenance ....................................................................69
Admin .............................................................................................69
Log ...................................................................................................80
Statistics .........................................................................................81
Active Session ..............................................................................82
LAN Clients ....................................................................................83
Routing ...........................................................................................84
VPN ..................................................................................................85
IPv6 ..................................................................................................86
Support ............................................................................87
Troubleshooting .............................................................. 88
Wireless Basics .................................................................92
Tips ...................................................................................................95
Wireless Modes ............................................................................96
Networking Basics ...........................................................97
Check your IP address ...............................................................97
Statically Assign an IP address ...............................................98
SNMP ...............................................................................................70
Time .................................................................................................71
SysLog .............................................................................................72
Email Settings ..............................................................................73
System ............................................................................................74
Firmware ........................................................................................75
Dynamic DNS ...............................................................................76
System Check ...............................................................................77
Schedule ........................................................................................78
Status ................................................................................ 79
Device Info ....................................................................................79
Technical Specications ..................................................99
GPL Code Statement......................................................100
Safety Statements .........................................................112
iiiD-Link DIR-640L User Manual
Section 1 - Product Overview
DIR-640L Wireless N300 Cloud VPN Router
Two Detachable Antennas
Ethernet Cable
Power Adapter
Product Overview
Package Contents
Optional Wall-Mount Kit
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-640L will cause damage and void the warranty
for this product.
1D-Link DIR-640L 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
• 10/100 Ethernet
Computer with the following:
• Windows®, Macintosh, or Linux-based operating system
• An installed Ethernet adapter
Browser Requirements:
• Internet Explorer 7 or higher
• Firefox 12 or higher
• Safari 4 or higher
• Chrome 20 or higher
®
Windows
installed. Visit www.java.com to download the latest version.
Users: Make sure you have the latest version of Java
2D-Link DIR-640L User Manual
Section 1 - Product Overview
Introduction
ULTIMATE PERFORMANCE
The D-Link Wireless N300 Cloud VPN Router (DIR-640L) is a 802.11n compliant device that delivers real world performance of up to 14x
faster than an 802.11g wireless connection (also faster than a 100Mbps wired Ethernet connection). Create a secure wireless network to
share photos, les, music, video, printers, and network storage throughout your home. Connect the DIR-640L router to a cable or DSL
modem and share your high-speed Internet access with everyone on the network. In addition, this Router includes a Quality of Service
(QoS) engine that keeps digital phone calls (VoIP) and online gaming smooth and responsive, providing a better Internet experience.
EXTENDED WIRELESS COVERAGE
Powered by Wireless N technology, this high performance router provides superior home coverage throughout your home while
reducing dead spots. The router is designed for use in bigger homes and for users who demand higher performance networking. Add a
Wireless N
TOTAL NETWORK SECURITY
The Wireless N router supports all of the latest wireless security features to prevent unauthorized access, be it from over the wireless
network or from the Internet. Support for WPA/WPA2 standards ensure that you’ll be able to use the best possible encryption method,
regardless of your client devices. In addition, this router utilizes dual active rewalls (SPI and NAT) to prevent potential attacks from
across the Internet.
notebook or desktop adapter and stay connected to your network from virtually anywhere in your home.
* 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.
3D-Link DIR-640L User Manual
Section 1 - Product Overview
• Faster Wireless Networking - The DIR-640L provides up to 300Mbps* 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 14x faster than 802.11g.
• Compatible with 802.11b/g/n Devices - The DIR-640L is still fully compatible with the IEEE 802.11b, 802.11g,
and 802.11n standards, so it can connect with existing 802.11b, 802.11g, and 802.11n PCI, USB, and Cardbus
adapters
• Advanced Firewall Features - The Web-based user interface displays a number of advanced network
management features including:
• Secure Multiple/Concurrent Sessions - The DIR-640L can pass through VPN sessions. It supports
multiple and concurrent IPSec and PPTP sessions, so users behind the DIR-640L can securely access
corporate networks.
Features
• User-friendly Setup Wizard - Through its easy-to-use Web-based user interface, the DIR-640L 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 802.11g, 802.11a, 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-640L User Manual
Section 1 - Product Overview
Hardware Overview
Back
1 2 43 5 6
1 COM Port RS-232 COM port for serial port communication and legacy device connectivity.
2 LAN Ports (1-4) Connect 10/100 Ethernet devices such as computers, switches, and NAS.
3 Internet Port The auto MDI/MDIX Internet port is the connection for the Ethernet cable to the cable or DSL modem.
4 Reset Button Pressing the Reset button restores the router to its original factory default settings.
5 Power Receptor Receptor for the supplied power adapter.
6 Power Button Turns the device On/O.
5D-Link DIR-640L User Manual
Section 1 - Product Overview
Hardware Overview
Front
1 2 3
1 Power LED A solid light indicates a proper connection to the power supply.
2 Internet LED A solid light indicates connection on the Internet port. This LED blinks during data transmission.
3 WLAN LED
4 LAN LEDs (1-4)
5 USB 2.0 port Allows you to connect 3G modems.
A solid light indicates that the 2.4GHz wireless segment is ready. This LED blinks during wireless data
transmission.
A solid light indicates a connection to an Ethernet-enabled computer on ports 1-4. This LED blinks during
data transmission.
4
5
6D-Link DIR-640L 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, or 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.
7D-Link DIR-640L 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-640L User Manual
Section 2 - Installation
Wall-Mount Kit Installation
The wall-mount kit includes the following items:
- Two 2 cm screws
- Two screw anchors
- One attachment plate
Step 1. Align the attachment plate to your preferred position, and mark the hole positions on the wall, preferably
after you locate one of the studs in the wall.
Step 2. Poke holes into the wall and insert the screw anchors where there is no stud. Check the screw anchors are
securely in place.
Step 3. Securely screw down the attachment plate on the wall.
Wall mount hole Wall mount hole
DIR-640L
Step 4. Hang the router on the wall by sliding the tops of the screws through the holes on the bottom of the router
and then slide to lock into position. Conrm the the router is rmly in place.
9D-Link DIR-640L User Manual
Section 2 - Installation
Hardware 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 blue port labeled 1 on the back of your router. The router is now connected to your computer.
DIR-640L
COM
POWER
Computer
10D-Link DIR-640L User Manual
Section 2 - Installation
POWER
COM
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-640L
COM
POWER
Modem
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 1 minute for the
router to boot up.
DIR-640L
7. If you are connecting to a Broadband service that uses a dynamic connection (not PPPoE), you may be online
already. Try opening a web browser and enter a web site. If you connect, you are nished with your Internet setup.
Please skip to page 13 to congure your router and use the manual setup procedure to congure your network
and wireless settings. If you did not connect to the Internet, use the D-Link Setup Wizard (refer to page 15).
11D-Link DIR-640L User Manual
Section 3 - Conguration
Conguration
Web Setup Wizard
Open your web browser and the setup wizard will automatically launch.
Step 1: The Welcome screen will appear. Click Next to continue.
Step 2: The router will automatically detect your Internet connection type.
Step 3: If the router could not automatically detect your connection type,
select your connection type and click Next to continue.
12D-Link DIR-640L User Manual
Section 3 - Conguration
If you selected PPPoE, enter your PPPoE username and password. 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 through a router.
If you selected PPTP, enter your PPTP settings supplied by your ISP and your
PPTP username and password. Click Next to continue.
If you selected L2TP, enter your L2TP settings supplied by your ISP and your
L2TP username and password. Click Next to continue.
13D-Link DIR-640L User Manual
Section 3 - Conguration
If you selected Static, enter your network settings supplied by your Internet
provider. Click Next to continue.
Step 4: Create a name for your wireless network (SSID), create a password
for your wireless network (Wi-Fi password), and then click Next to continue.
Step 5: Create a new password and then click Next to continue.
14D-Link DIR-640L User Manual
Section 3 - Conguration
Step 6: Select your time zone from the drop-down menu and then click
Next to continue.
Step 7: Your setup is complete. Click Save to continue.
Step 8: You may bookmark the router’s web UI by clicking OK. If you do
not want to bookmark the link, click Cancel.
The router will reboot. Please allow 1-2 minutes.
Close your browser window and reopen it to test your Internet connection.
It may take a few tries to initially connect to the Internet.
15D-Link DIR-640L User Manual
Section 3 - Conguration
Web-based Conguration Utility
To access the conguration utility, open a web-browser such as Internet
Explorer and enter the IP address of the router (http://192.168.0.1 or
use http://dlinkrouter.local.).
Select Admin from the drop-down menu and the password should be
left empty.
16D-Link DIR-640L User Manual
Section 3 - Conguration
Internet Connection Setup
Use this tab to choose if you want to follow the simple steps
of the Connection Setup Wizard, or if you want to set up your
Internet connection manually.
Click Next to begin the Setup Wizard.
Internet Connection Wizard
17D-Link DIR-640L User Manual
Section 3 - Conguration
STEP 1: Choose a password for your device.
STEP 2: Choose the method you use to connect to the Internet,
and follow the step-by-step instructions.
18D-Link DIR-640L User Manual
Section 3 - Conguration
Manual Internet Connection
Use this tab to choose either Static IP, DHCP, PPPoE, PPTP, L2TP,
Dial-Up, 3G, Russian PPPoE, Russian PPTP, or Russian L2TP to
congure your Internet connection. You may need to get this
information from your ISP (Internet Service Provider).
19D-Link DIR-640L User Manual
Section 3 - Conguration
Static (assigned by ISP)
Select Static IP Address if all the Internet port’s IP information is provided to you by your ISP. You will need to enter in the IP address, subnet mask,
gateway address, and DNS address(es) provided to you by your ISP. Each IP address entered in the elds must be in the appropriate IP form, which
are four octets separated by a dot (x.x.x.x). The Router will not accept the IP address if it is not in this format.
My Internet
Connection Is:
Select Static IP to manually enter the IP settings supplied by your ISP.
IP Address:
Subnet Mask:
Default Gateway:
DNS Servers:
MTU:
MAC Address:
Enter the IP address assigned by your ISP.
Enter the Subnet Mask assigned by your ISP.
Enter the Gateway assigned by your ISP.
The DNS server information will be supplied by your ISP (Internet Service
Provider.)
Maximum Transmission Unit - you may need to change the MTU for
optimal performance with your specic ISP. 1500 is the default MTU.
The default MAC Address is set to the Internet port’s physical interface
MAC address on the Broadband Router. It is not recommended that you
change the default MAC address unless required by your ISP. You can use
the Copy Your PC’s MAC Address button to replace the Internet port’s
MAC address with the MAC address of your Ethernet card.
20D-Link DIR-640L User Manual
Section 3 - Conguration
Dynamic (Cable)
My Internet
Connection Is:
Host Name:
Primary/Secondary
DNS Server:
MTU:
MAC Address:
Select Dynamic IP (DHCP) to obtain IP Address information
automatically from your ISP. Select this option if your ISP does not give
you any IP numbers to use. This option is commonly used for cable
modem services.
The Host Name is optional but may be required by some ISPs. Leave
blank if you are not sure.
Enter the Primary and secondary DNS server IP addresses assigned by
your ISP. These addresses are usually obtained automatically from your
ISP. Leave at 0.0.0.0 if you did not specically receive these from your ISP.
Maximum Transmission Unit - you may need to change the MTU for
optimal performance with your specic ISP. 1500 is the default MTU.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP. You can use the Copy Your PC’s MAC Address button to
replace the Internet port’s MAC address with the MAC address of your Ethernet card.
21D-Link DIR-640L User Manual
Section 3 - Conguration
PPPoE (DSL)
Choose PPPoE (Point to Point Protocol over Ethernet) if your ISP uses a PPPoE connection. Your ISP will provide you with a username and password.
This option is typically used for DSL services. Make sure to remove your PPPoE software from your computer. The software is no longer needed and
will not work through a router.
My Internet
Connection Is:
Select PPPoE (Username/Password) from the drop-down menu.
Address Mode:
IP Address:
User Name:
Password:
Service Name:
Reconnect
Mode:
Maximum Idle
Time:
DNS Addresses:
MTU:
Select Static IP if your ISP assigned you the IP address, subnet mask,
gateway, and DNS server addresses. In most cases, select Dynamic.
Enter the IP address (Static PPPoE only).
Enter your PPPoE user name.
Enter your PPPoE password and then retype the password in the next box.
Enter the ISP Service Name (optional).
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is
maintained during inactivity. To disable this feature, enable Auto-reconnect.
Enter the Primary and Secondary DNS Server Addresses (Static PPPoE only).
Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specic ISP. 1492 is the default
MTU.
MAC Address:
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP. You can use the Copy Your PC’s MAC Address button to
replace the Internet port’s MAC address with the MAC address of your Ethernet card.
22D-Link DIR-640L User Manual
Section 3 - Conguration
PPTP
Choose PPTP if your ISP uses a PPTP connection. Your ISP will provide you with a username and password.
My Internet
Connection Is:
Select PPTP from the drop-down menu.
Address Mode:
PPTP IP Address:
PPTP Subnet Mask:
PPTP Gateway IP
Address:
PPTP Server IP
Address:
User Name:
Password:
Reconnect Mode:
Maximum Idle
Time:
Select Static IP if your ISP assigned you the IP address, subnet mask,
gateway, and DNS server addresses. In most cases, select Dynamic.
Enter the IP address for your PPTP connection.
Enter your PPTP subnet mask.
Enter the Gateway IP address for your PPTP connection.
Enter the Server IP address for your PPTP connection.
Enter your PPTP user name.
Enter your PPTP password and then retype the password in the next box.
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable
Auto-reconnect.
DNS Addresses:
MTU:
MAC Address:
Enter the Primary and Secondary DNS Server Addresses (Static PPTP only).
Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specic ISP. 1492 is the default
MTU.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP.
23D-Link DIR-640L User Manual
Section 3 - Conguration
L2TP
Choose L2TP if your ISP uses a L2TP connection. Your ISP will provide you with a username and password.
My Internet
Connection Is:
Select L2TP from the drop-down menu.
Address Mode:
PPTP IP Address:
PPTP Subnet Mask:
PPTP Gateway IP
Address:
PPTP Server IP
Address:
User Name:
Password:
Reconnect Mode:
Maximum Idle
Time:
Select Static IP if your ISP assigned you the IP address, subnet mask,
gateway, and DNS server addresses. In most cases, select Dynamic.
Enter the IP address for your L2TP connection.
Enter your L2TP subnet mask.
Enter the Gateway IP address for your L2TP connection.
Enter the Server IP address for your L2TP connection.
Enter your L2TP user name.
Enter your L2TP password and then retype the password in the next box.
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable
Auto-reconnect.
DNS Addresses:
MTU:
MAC Address:
Enter the Primary and Secondary DNS Server Addresses (Static L2TP only).
Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specic ISP. 1492 is the default
MTU.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP.
24D-Link DIR-640L User Manual
Section 3 - Conguration
Dial-Up
Choose Dial-Up if you use a dial-up connection with your ISP to connect to the Internet.
My Internet
Connection Is:
Select Dial-up Network from the drop-down menu.
Dial-up Telephone:
Dial-up Account:
Dial-up Password:
Maximum Idle
Time:
Reconnect Mode:
Baud Rate:
DNS Addresses:
Assigned IP
Address:
Extra Settings:
Enter the telephone number you use to reach your dial-up provider.
Enter the account name for your dial-up service.
Enter your password and then retype the password in the next box.
Choose the amount of minutes of inactivity before the connection is
dropped. Choose ‘0” if you want to never drop the connection.
Select either Always-on, On-Demand, or Manual.
Choose the speed of your modem connection from the drop-down
menu.
Enter the Primary and Secondary DNS Server Addresses.
If your ISP gave you a static IP address for your connections, enter it here.
Add any additional settings provided by your ISP here.
25D-Link DIR-640L User Manual
Section 3 - Conguration
3G
Choose 3G if you are connection from a mobile wireless network with an ISP that uses a 3G connection.
My Internet
Connection Is:
Select 3G from the drop-down menu.
Dial-Up Prole:
Country:
Telecom
3G Network:
User Name:
Password:
Dialed Number:
Authentication:
APN:
In most cases you can choose Auto-Detection to get a connection.
Otherwise choose Manual and personalize the settings below.
Choose the country where you get 3G service from the drop-down menu.
Choose the telecom that provides your service from the drop-down
menu.
Choose the type of 3G network you have from the drop-down menu.
Enter your 3G network user name, this is not always required by your ISP.
Enter your 3G network password and then retype the password in the
next box. This is also not always required by your ISP.
Enter the number your ISP gave you to dial for a connection.
Choose the type of authentification need to connect or use auto
detection.
If your ISP has given you an Access Point Name to use for your connectivity, you may enter it here.
Reconnect Mode:
Maximum Idle
Time:
DNS Addresses:
Keep Alive:
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable
Auto-reconnect.
Enter the Primary and Secondary DNS Server Addresses (Static PPPoE only).
To keep prevent inactivity from assuming a dropped connection you can Use LCP Echo Request to request frequent pings to maintain
communication. This is disabled by default.
26D-Link DIR-640L User Manual
Section 3 - Conguration
Russian PPPoE
Choose Russian PPPoE (Dual Access) if your ISP uses a PPPoE connection in Russia with WAN physical access.
My Internet
Connection Is:
Address Mode:
IP Address:
User Name:
Password:
Service Name:
Reconnect Mode:
Maximum Idle
Time:
MTU:
Select Russian PPPoE (Dual Access) from the drop-down menu.
Select Static IP if your ISP assigned you the IP address, subnet mask, gateway,
and DNS server addresses. In most cases, select Dynamic.
Enter the IP address (Static PPPoE only).
Enter your PPPoE user name.
Enter your PPPoE password and then retype the password in the next box.
Enter the ISP Service Name (optional).
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is
maintained during inactivity. To disable this feature, enable Auto-reconnect.
Maximum Transmission Unit - you may need to change the MTU for optimal
performance with your specic ISP. 1492 is the default MTU.
MAC Address:
WAN Physical
Setting:
IP Address
Subnet Mask:
DNS Addresses:
The default MAC Address is set to the Internet port’s physical interface MAC
address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP.
Select a Dynamic IP or Static IP if your WAN physical setting.
Enter the IP address for your PPTP connection.
Enter your PPTP subnet mask.
Enter the Primary and Secondary DNS Server Addresses (Static PPPoE only).
27D-Link DIR-640L User Manual
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Russian L2TP
Choose Russian L2TP (Dual Access) if your ISP uses an L2TP connection in Russia with WAN physical access.
My Internet
Connection:
LT2P Server IP
Address:
User Name:
Password:
Reconnect Mode:
Maximum Idle Time:
MTU:
Address Mode:
L2TP IP Address:
Select Russian L2TP (Dual Access) from the drop-down menu.
Enter the IP address provided by your ISP.
Enter your L2TP user name.
Enter your L2TP password and then retype the password in the next box.
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is
maintained during inactivity. To disable this feature, enable Auto-reconnect.
Enter the desired Maximum Transmission Unit.
Select Static IP if your ISP assigned you the IP address, subnet mask, gateway,
and DNS server addresses. In most cases, select Dynamic.
Enter the L2TP IP address.
L2TP Subnet Mask:
L2TP Gateway IP
Address:
MAC Address:
DNS Addresses:
Enter your L2TP subnet mask.
Enter the L2TP Gateway IP address.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP.
Enter the Primary and Secondary DNS Server Addresses.
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Russian PPTP
Choose Russian PPTP (Dual Access) if your ISP uses an PPTP connection in Russia with WAN physical access.
My Internet
Connection:
PPTP Server IP
Address:
User Name:
Password:
Reconnect Mode:
Maximum Idle Time:
MTU:
Address Mode:
PPTP IP Address:
Select Russian PPTP (Dual Access) from the drop-down menu.
Enter the IP address provided by your ISP.
Enter your PPTP user name.
Enter your PPTP password and then retype the password in the next box.
Select either Always-on, On-Demand, or Manual.
Enter a maximum idle time during which the Internet connection is
maintained during inactivity. To disable this feature, enable Auto-reconnect.
Enter the desired Maximum Transmission Unit.
Select Static IP if your ISP assigned you the IP address, subnet mask, gateway,
and DNS server addresses. In most cases, select Dynamic.
Enter the PPTP IP address.
PPTP Subnet Mask:
PPTP Gateway IP
Address:
MAC Address:
DNS Addresses:
Enter your PPTP subnet mask.
Enter the PPTP Gateway IP address.
The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP.
Enter the Primary and Secondary DNS Server Addresses.
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Wireless Settings
On this page you can set up advanced options for your the wireless settings of your DIR-640L.
Use this page you can choose if you want to follow the simple
steps of the Wireless Setup Wizard, add a device using WPS, or if
you want to set up your wireless connection options manually.
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Wireless Setup Wizard
STEP 1: If you choose Automatically assign a network key
click next to immediately complete the process.
STEP 2: Setup is completed, you should take note of your
settings, especially your network name and pre-shared key.
STEP 3: The router must now reboot.
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STEP 1: If you choose Manually assign a network key click
next to go to the next step.
STEP 2: Choose your wireless password. You will need this when
connecting to the router from now on.
STEP 3: Setup is completed, you should take note of your
settings, especially your network name and pre-shared key.
STEP 4: The router must now reboot.
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WPS Connection Wizard
STEP 1: Choose Auto to connect a device that already has
support for WPS connections.
STEP 2: Choose whether you want to connect via PIN or PBC.
If you want to use the PIN method, simply enter your PIN and
click Connect.
If you want to use the PBC method click Connect and go to
the next step.
STEP 3: Press the button on your device and wait for the
connection to be established.
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STEP 1: Choose Manual to congure a device manually.
STEP 2: Use the information in this window to congure your
device. When your device is prepared, click ok.
STEP 3: Your device is now ready. Save your settings..
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Manual Wireless Settings
The Wireless Settings feature will allow you to create temporary zones that can be used by guests to access the Internet.
Enable Wireless:
IP Address:
802.11 Mode:
Enable Auto
Channel Scan:
Wireless
Channel:
Transmission
Rate:
Channel Width:
Check to enable the wireless function. If you do not want
to use wireless, uncheck the box to disable all the wireless
functions.
Input the IP Address of the router. (The default is 192.169.0.1)
Select the wireless mode from the drop-down menu.
This setting can be selected to allow the DIR-640L to choose
the channel with the least amount of interference.
Indicates the channel setting for the DIR-640L. If you enable
Auto Channel Scan, this option will be greyed out.
Select the transmission rate or let the router automatically
choose for you.
Select the Channel Width:
Auto 20/40 - This is the default setting. Select if you are using
both 802.11n and non-802.11n wireless devices.
20MHz - Select if you are not using any 802.11n wireless
clients.
40MHz - Select if using only 802.11n wireless clients.
Visibility Status:
Select Invisible if you do not want the SSID of your wireless
network to be broadcasted by the DIR-640L. If Invisible is
selected, the SSID will not be seen by Site Survey utilities
so your wireless clients will have to know the SSID of the
DIR-640L.
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Security Mode:
WPA Mode
(WPA):
Cipher Type:
Group Key Update
Interval:
Network Key:
Select the type of security or encryption you would like to
enable for the guest zone. You can choose from WPA, WEP,
or WPA Enterprise from the drop-down menu.
If you selected WPA security, choose the type of WPA security
to use from the drop-down menu: WPA, WPA2, or Auto (WPA
or WPA2).
Choose the cipher type from the drop-down menu.
Set the length of time before the group key is updated.
Enter the network pass key phrase to use.
WEP Key Length
(WEP):
Authentication:
WEP Key 1:
If you selected WEP security, select the length you would like
to set for your key.
Choose your authentication method from the drop-down
menu.
Enter your pass key.
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WPA Mode
(WPA Enterprise):
Cipher Type:
Group Key Update
Interval:
Authentication
Timeout:
RADIUS Server IP
Address:
RADIUS Server
Port:
RADIUS Server
Shared Secret:
If you selected WPA Enterprise security, choose the WPA mode
you would like to use from the drop-down menu: WPA, WPA2,
or Auto (WPA or WPA2).
Choose the cipher type from the drop-down menu.
Set the length of time before the group key is updated.
Enter the amount of time in minutes before EAP authentication
is abandoned.
Enter the IP address of the RADIUS server to connect to for
authentication.
Enter the port used for contacting the RADIUS server.
Enter the shared secret of the RADIUS server.
MAC Address
Authentication:
Click to allow the RADIUS server to verify the devices MAC
address for connection.
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Network Settings
This section will allow you to change the local network settings of the router and to congure the DHCP settings.
Router IP Address:
Subnet Mask:
Device Name:
Enable DHCP
Server:
DHCP IP Address
Range:
DHCP Lease Time:
Primary WINS IP
Address:
Secondary WINS IP
Address:
Enter the IP address of the router. The default IP address is
192.168.0.1.
Enter the Subnet Mask. The default subnet mask is
255.255.255.0.
Choose a name for the router.
Check this box to enable the DHCP server on your router.
Uncheck to disable this function.
Enter the starting and ending IP addresses for the DHCP
server’s IP assignment.
The length of time for the IP address lease. Enter the Lease
time in minutes.
Enter your primary WINS Server IP address.
Enter your secondary WINS Server IP address.
Enable DHCP
Reservations:
Computer Name:
IP Address:
MAC Address:
Check this box to add a DHCP reservations list.
Give an identity to the computer.
Enter the computer’s IP address.
Enter the MAC address or Clone your PC’s address.
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VPN Settings
On this page you can set up advanced options for a Virtual Private Network (VPN). The DIR-640L supports both IPSec and L2TP
as the Server Endpoint. IPSec (Internet Protocol Security) is a set of protocols that can provide IP security at the network layer.
Use this page you can choose if you want to follow the simple
steps of the VPN Setup Wizard, or if you want to set up VPN
options manually.
VPN Setup Wizard
This tells you was to expect when you go through the wizard.
To get to Step 1 (Selecting Your VPN Type), click Next.
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Dynamic IPSec VPN
STEP 1: Choose Dynamic IPSec (Internet Protocol Security)
then click Next.
STEP 2: Give your VPN prole a name, and click Next.
STEP 3: Enter the Local Subnet/Mask and the pre-shared key
for your VPN, and click Next.
STEP 4: Click Next to restart the router. You have now completed
the VPN Wizard Setup.
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IPSec VPN
STEP 1: Choose Dynamic IPSec (Internet Protocol Security)
then click Next.
STEP 2: Give your VPN prole a name, and click Next.
STEP 3: Enter the Local Subnet/Mask and the pre-shared key
for your VPN, and click Next.
STEP 4: Click Next to restart the router. You have now completed
the VPN Wizard Setup.
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PPTP VPN
STEP 1: Choose PPTP (Point-to-Point Tunneling Protocol) then
click on Next.
STEP 2: Give your VPN prole a name, and click Next.
STEP 3: Choose and username and password for your VPN, and
click Next.
STEP 4: Enter a VPN server IP and remote IP range, and click
Next.
STEP 4: Click Next to restart the router. You have now completed
the VPN Wizard Setup.
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L2TP VPN
STEP 1: Choose L2TP (Layer 2 Tunneling Protocol) then click
on Next.
STEP 2: Give your VPN prole a name, and click Next.
STEP 3: Choose and username and password for your VPN, and
click Next.
STEP 4: Enter a VPN server IP and remote IP range, and click
Next.
STEP 4: Click Next to restart the router. You have now completed
the VPN Wizard Setup.
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VPN Manual Settings
On this page you can set up advanced options for a Virtual Private Network (VPN). The DIR-640L supports both IPSec and L2TP
as the Server Endpoint. IPSec (Internet Protocol Security) is a set of protocols that can provide IP security at the network layer.
Add VPN Prole:
VPN Prole:
Choose either IPSec or PPTP/L2TP and GRE Tunnel from
the drop-down menu and click Add to begin conguring
a VPN prole.
This list allows you to Enable established VPN proles as
well as Edit and Delete them.
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IPSec Settings
The DIR-640L supports IPSec as the Server Endpoint. IPSec (Internet Protocol Security) protocols can provide IP security at the network layer.
IPSec:
Name:
Local Subnet/
Netmask:
Remote IP:
Remote Subnet/
Netmask:
Authentication
Pre-Shared Key:
Authentication
XAUTH:
Local ID:
Check this box to enable IPSec.
Enter a name for your VPN tunnel.
Enter the local (LAN) subnet and mask.
(ex. 192.168.0.0/24)
Select if you will be connecting as a remote user or on a site
to site basis.
Enter the remote subnet and mask.
Enter the key for authentication.
If you choose to enable XAUTH you need to choose between
Server mode with an Authetication database, or Client mode
with a user name and password.
Enter the local identification for how you appear on the
network VPN when connected locally.
Remote ID:
Enter the local identification for how you appear on the
network VPN when connected remotely.
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Phase1 Mode:
NAT-T Enable:
Keep Alive:
DPD:
DH Group:
IKE Proposal
Settings:
IKE Lifetime:
Choose if you want to use a main or aggressive mode.
Enable or Disable the NAT-T option.
Enable or Disable Keep Alive protocols.
Choose whether or not to detect dead peers, then set the
amount of time in seconds before disconnect of dead peers.
You can also set a delay time in second before release.
Enable or Disable the DH Group option using the drop-down
menu.
Use this area to Enable IKE Proposals. Then determine
encryption and authentication types from the drop-down
menus.
Enter the amount of time in seconds that the Phase 1 keys
should last.
PFS Enable:
PFS DH Group:
IPSEC Proposal
List:
IPSec Lifetime:
Choose if you want to use Perfect Forward Secrecy. PFS is an
additional security protocol.
Choose a PFS DH Group from the drop-down menu.
Use this area to choose the encryption and authentication
methods for IPSec proposals by choosing from the drop-down
menus.
Enter the amount of time in seconds that the Phase 2 keys
should last.
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PPTP/L2TP Settings
This page allows you to set up a VPN using either PPTP or L2TP.
PPTP/L2TP:
Name:
Connection Type:
VPN Server IP:
Remote IP Range:
Authentication
Protocol:
MPPE Encryption
Mode:
Extended
Authentication:
Check this box to enable PPTP/L2TP settings.
Enter a name for your VPN.
Select PPTP or L2TP.
Enter the IP address of the VPN server.
Enter the remote IP range in the boxes.
Choose PAP, CHAP, or MSCHAP v2 for your authentication.
Choose either RC4, None, 40 bit, or 128 bit to determine the
strength level of your authentication.
If you wish to use extended authentication, choose a group
from the drop-down menu.
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GRE Settings
This page shows you the options for setting up a VPN tunnel using Generic Routing Encapsulation (GRE), which is a tunneling protocol that can
encapsulate a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol.
VPN - GRE Enable:
Name:
Tunnel IP:
Remote IP:
Remote Local
LAN Net/Mask:
Key:
TTL:
Check this box to enable GRE VPN settings.
Enter a name for your VPN.
Select an IP address for the tunnel.
Select an IP address to access the tunnel remotely.
Enter the remote local (LAN) subnet and mask.
(ex. 192.168.0.0/24)
Enter the key for the tunnel.
Enter the time to live for packets delivered.
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Advanced
Virtual Server
This will allow you to open a single port. If you would like to open a range of ports, refer to the next page.
Name:
IP Address:
Private Port/
Public Port:
Protocol Type:
Schedule:
Enter a name for the rule or select an application from the
drop-down menu. Select an application and click << to
populate the elds.
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 port that you want to open next to Private Port
and Public Port. The private and public ports are usually
the same. The public port is the port seen from the Internet
side, and the private port is the port being used by the
application on the computer within your local network.
Select TCP, UDP, or Both from the drop-down menu.
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 Maintenance > Schedules
section.
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Application Rules
Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony and others.
These applications have diculties working through NAT (Network Address Translation). Special Applications makes some of
these applications work with the DIR-640L. If you need to run applications that require multiple connections, specify the port
normally associated with an application in the “Trigger Port” eld, select the protocol type as TCP or UDP, then enter the rewall
(public) ports associated with the trigger port to open them for inbound trac.
Name:
Trigger:
Firewall:
Trac Type:
Schedule:
Enter a name for the rule. You may select a pre-dened
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.
This is the port number on the Internet side that
will be used to access the application. You may
dene 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 rewall 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 Maintenance > Schedules section.
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QoS Engine
The QoS Engine option helps improve your network gaming performance by prioritizing applications. By default the QoS
Engine settings are disabled and application priority is not classied automatically.
Enable QoS
Engine:
Upstream
Bandwidth:
QoS Engine Rules:
This option is disabled by default. Enable this option for
better performance and experience with online games and
other interactive applications, such as VoIP.
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 speedtest.
net.
A QoS Engine Rule identifies a specific message flow
and assigns a priority to that ow. For most applications,
automatic classication will be adequate, and specic QoS
Engine Rules will not be required.
The QoS Engine supports overlaps between rules, where
more than one rule can match for a specic message ow.
If more than one rule is found to match the rule with the
highest priority will be used.
Local IP:
Local Port:
Remote IP:
Remote Port:
The rule applies to a ow of messages whose LAN-side IP
address falls within the range set here.
The rule applies to a ow of messages whose LAN-side port
number is within the range set here.
The rule applies to a ow of messages whose WAN-side IP
address falls within the range set here.
The rule applies to a ow of messages whose WAN-side port
number is within the range set here.
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Priority:
Schedule:
The priority of the message ow is entered here -- 1 receives the highest priority (most urgent) and 255 receives the lowest priority
(least urgent).
Choose a schedule for the QoS rule.
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Network Filter
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.
Congure MAC
Filtering:
MAC Address:
DHCP Client:
Clear:
Select Turn MAC Filtering O, Allow MAC addresses listed
below, or Deny MAC addresses listed below from the drop-
down menu.
Enter the MAC address you would like to lter.
To nd 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.
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Web Filter
Website Filters are used to allow you to set up a list of Web sites that can be viewed by multiple users through the network.
To use this feature select to Allow or Deny, enter the domain or website and click Save Settings. You must also select Apply
Web Filter under the Access Control section.
URL Filtering:
Enable Rule:
Website URL/
Domain:
Schedule:
Enable URL ltering by checking this box.
Click to enable or disable a rule.
Enter the keywords or URLs that you want to allow or
block. Click Save Settings.
Choose a schedule for the rule.
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Firewall Setting
A rewall protects your network from the outside world. The DIR-640L oers a rewall type functionality. The SPI feature helps
prevent cyber attacks. Sometimes you may want a computer exposed to the outside world for certain types of applications.
If you choose to expose a computer, you can enable DMZ. DMZ is short for Demilitarized Zone. This option will expose the
chosen computer completely to the outside world.
Enable DMZ:
DMZ IP Address:
Firewall Rules:
Name:
Action:
If an application has trouble working from behind the
router, you can expose one computer to the Internet and
run the application on that computer.
Note: Placing a computer in the DMZ may expose that
computer to a variety of security risks. Use of this option is
only recommended as a last resort.
Specify the IP address of the computer on the LAN that
you want to have unrestricted Internet communication. If
this computer obtains it’s IP address automatically using
DHCP, be sure to make a static reservation on the Setup
> Network Settings page so that the IP address of the
DMZ machine does not change.
Choose whether to Allow or Deny the addresses you list
below.
Enter a name to identify the rewall rule.
Choose whether to Allow or Deny all of the rules listed
below.
Source:
Schedule:
IP Address Range:
Use the Source drop-down menu to specify the interface that connects to the source addresses of the rewall rule.
Use the drop-down menu to select the time schedule that the IPv6 Firewall Rule will be enabled on. 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 Maintenance > Schedules
section.
Enter the source IP Address range.
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Destination:
Protocol:
Port Range:
New Schedule:
Use the Destination drop-down menu to specify the interface that connects to the destination IP addresses of the rewall rule.
Select the protocol of the rewall port (All, TCP, UDP, or ICMP).
Enter the rst port of the range that will be used for the rewall rule in the rst box and enter the last port in the eld in the second
box.
Click this button to create a new schedule.
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Routing
The Routing option is an advanced method of customizing specic routes of data through your network.
Name:
Destination IP:
Netmask:
Gateway:
Metric:
Interface:
Enter a name for your route.
Enter the IP address of packets that will take this route.
Enter the netmask of the route, please note that the octets
must match your destination IP address.
Enter your next hop gateway to be taken if this route is
used.
The route metric is a value from 1 to 16 that indicates the
cost of using this route. A value 1 is the lowest cost and
15 is the highest cost.
Select the interface that the IP packet must use to transit
out of the router when this route is used.
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Advanced Network Settings
The Advanced Network Settings page oers additional feature options for power users.
Enable UPnP:
Enable WAN Ping
Respond:
WAN Port Speed:
Enable Anti-Spoof
Checking:
Enable SPI:
Enable Multicast
Streams:
To use the Universal Plug and Play (UPnP
click on Enabled. UPnP provides compatibility with
networking equipment, software and peripherals.
Checking the box will allow the DIR-640L to respond
to pings. Unchecking the box may provide some extra
security from hackers.
Choose your WAN port speed from the drop-down
menu.
Check this box to automatically check the origins of
packets against a blacklist of known spoofers.
Check this box to enable Stateful Packet Inspection
which will only allow packets from known active
connections and reject all others.
Check the box to allow multicast trac to pass through
the router from the Internet.
™
) feature
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IPv6
There are several connection types to choose from: Static IPv6, DHCPv6, PPPoE, IPv6 in IPv4 Tunnel, 6to4, 6rd, and Link-local.
If you are unsure of your connection method, please contact your IPv6 ISP.
Note: If using the PPPoE option, you will need to ensure that any PPPoE client software on your computers has been removed or disabled.
Choose your IPv6 connection method from the drop-down menu
under the IPv6 Connection Type.
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Static IPv6
My IPv6 Connection:
WAN IPv6 Address
Settings:
LAN IPv6 Address:
LAN Link-Local Address:
Enable
Autoconguration:
Autoconguration Type:
Router Advertisement
Lifetime:
Select Static IPv6 from the drop-down menu.
Enter the address settings supplied by your Internet
provider (ISP).
Enter the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Enter the IPv6 address lifetime (in seconds).
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DHCP
My IPv6 Connection:
IPv6 DNS Settings:
Primary/Secondary DNS
Address:
Enable DHCP-PD
LAN IPv6 Address:
LAN Link-Local Address:
Enable
Autoconguration:
Autoconguration Type:
Router Advertisement
Lifetime:
Select Autoconguration (Stateless/DHCPv6) from
the drop-down menu.
Select either Obtain DNS server address
automatically or Use the following DNS Address.
Enter the primary and secondar y DNS server
addresses.
Check to enable DHCP-PD.
Enter the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Enter the IPv6 address lifetime (in seconds).
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PPPoE
My IPv6 Connection:
PPPoE:
User Name:
Password:
Service Name:
MTU:
IPv6 DNS Settings:
Primary/Secondary DNS
Address:
Enable DHCP-PD
Select PPPoE from the drop-down menu.
Enter the PPPoE account settings supplied by your
Internet provider (ISP).
Enter your PPPoE user name.
Enter your PPPoE password and then retype the
password in the next box.
Enter the ISP Service Name (optional).
Maximum Transmission Unit - you may need to
change the MTU for optimal performance with
your specic ISP. 1492 is the default MTU.
Select either Obtain DNS server address
automatically or Use the following DNS Address.
Enter the primary and secondary DNS server
addresses.
Check to enable DHCP-PD.
LAN IPv6 Address:
LAN Link-Local Address:
Enable Autoconguration:
Autoconguration Type:
Router Advertisement
Lifetime:
Enter the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Enter the IPv6 address lifetime (in seconds).
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IPv6 over IPv4 Tunneling
My IPv6 Connection:
IPv6 in IPv4 Tunnel
Settings:
IPv6 DNS Settings:
Primary/Secondary
DNS Address:
LAN IPv6 Address:
LAN Link-Local
Address:
Enable
Autoconguration:
Autoconguration
Type:
Router Advertisement
Lifetime:
Select IPv6 over IPv4 Tunnel from the drop-down
menu.
Enter the settings supplied by your Internet provider
(ISP).
Select either Obtain DNS server address automatically
or Use the following DNS Address.
Enter the primary and secondary DNS server addresses.
Enter the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Enter the IPv6 address lifetime (in seconds).
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Section 3 - Conguration
6 to 4 Tunneling
My IPv6 Connection:
6 to 4 Settings:
Primary/Secondary
DNS Address:
LAN IPv6 Address:
LAN Link-Local
Address:
Enable
Autoconguration:
Autoconguration
Type:
Router Advertisement
Lifetime:
Select 6 to 4 from the drop-down menu.
Enter the IPv6 settings supplied by your Internet
provider (ISP).
Enter the primary and secondary DNS server addresses.
Displays the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Enter the IPv6 address lifetime (in seconds).
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Section 3 - Conguration
6rd
My IPv6 Connection:
6RD Settings:
Remote IPv4 Address:
IPv4 Mask Length:
Remote Prex:
Prex Length:
Primary/Secondary DNS
Addresses:
LAN IPv6 Address:
LAN Link-Local Address:
Enable
Autoconguration:
Autoconguration Type:
Select 6rd from the drop-down menu.
Enter the address settings supplied by your Internet
provider (ISP).
Enter the IPv4 (remote) address here.
Enter the mask length of the IPv4 address.
Enter the remote prex of the IPv4 address.
Enter the length of the remote prex.
Enter the DNS server addresses.
Displays the LAN (local) IPv6 address for the router.
Displays the Router’s LAN Link-Local Address.
Check to enable the Autoconguration feature.
Select Stateful or Stateless autoconguration.
Router Advertisement
Lifetime:
Enter the IPv6 address lifetime (in seconds).
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Section 3 - Conguration
Link-Local Connectivity
My IPv6 Connection:
LAN IPv6 Address
Settings:
Select Link-Local Only from the drop-down menu.
Displays the IPv6 address of the router.
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Section 3 - Conguration
IPv6 Firewall
The IPv6 Firewall feature allows you to congure which kind of IPv6 trac is allowed to pass through the device. The IPv6
Firewall functions in a similar way to the IP Filters feature.
Enable IPv6 Simple
Security:
Congure IPv6
Firewall:
Name:
Schedule:
Source:
IP Address Range:
Check the box to enable the IPv6 rewall simple security.
Select an action from the drop-down menu.
Enter a name to identify the IPv6 rewall rule.
Use the drop-down menu to select the time schedule that
the IPv6 Firewall Rule will be enabled on. 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
Maintenance > Schedules section.
Use the Source drop-down menu to specify the interface
that connects to the source IPv6 addresses of the rewall
rule.
Enter the source IPv6 address range in the adjacent IP
Address Range eld.
Destination:
Protocol:
Use the Destination drop-down menu to specify the
interface that connects to the destination IP addresses of
the rewall rule.
Select the protocol of the rewall port (All, TCP, UDP, or ICMP). Enter the rst port of the range that will be used for the rewall
rule in the rst box and enter the last port in the eld in the second box.
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Section 3 - Conguration
User Group
The User Group feature allows you to select an authentication database to store a group of user settings
User Settings:
Authentication
database:
Here you will nd a list of Authetication databases you
have created.
Choose a database from the drop-down menu and choose
Edit to make changes.
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Section 5 - Tools
Maintenance
Admin
This page will allow you to change the Administrator and User passwords. You can also enable Remote Management. There are
two accounts that can access the management interface through the web browser. The accounts are admin and user. Admin
has read/write access while user has read-only access. User can only view the settings but cannot make any changes. Only the
admin account has the ability to change both admin and user account passwords.
Admin
Password:
Enable Remote
Management:
IP Allowed to
Access:
Remote Admin
Port:
Enter a new password for the Administrator Login Name. And
type it again in the next box.
Remote management allows the DIR-640L to be congured
from the Internet by a web browser. A username/password is
still required to access the Web Management interface.
Enter the IP address used to access the DIR-640L.
Enter the port number used to access the DIR-640L is used in
the URL. Example: http://x.x.x.x:8080 whereas x.x.x.x is the
Internet IP address of the DIR-640L and 8080 is the port used
for the Web Management interface.
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Section 5 - Tools
SNMP
The DIR-640L allows you to use the Simple Network Management Protocol for easy management of your network.
SNMPLocal:
SNMPLocal:
Get Community:
Set Community:
IP1-4:
SNMP Variation:
WAN Access IP
Address:
Enable this option to allow local SNMP management.
Enable this option to allow remote SNMP management.
Enter a name for the read community of your SNMP server.
Enter a name for the write community of your SNMP server.
Set up to four IP addresses to be managed here.
Choose the version of SNMP to be used by your server V1
or V2c..
Enter the IP address used for WAN access here.
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Section 5 - Tools
Time
The Time Conguration option allows you to congure, update, and maintain the correct time on the internal system clock.
From this section you can set the time zone that you are in and set the Time Server. Daylight Saving can also be congured to
automatically adjust the time when needed.
Current Router
Time:
Time Zone:
Enable Daylight
Saving:
Daylight Saving
Dates:
Enable NTP Server:
NTP Server Used:
Date And Time:
Displays the current date and time of the router.
Select your Time Zone from the drop-down menu.
To select Daylight Saving time manually, select enabled or
disabled, and enter a start date and an end date for daylight
saving time.
If Daylight Saving is enabled, you may specify the date it
begins and ends.
NTP is short for Network Time Protocol. A NTP server will
synch the time and date with your router. This will only
connect to a server on the Internet, not a local server. Check
the box to enable this feature.
Enter the IP address of a NTP server or select one from the
drop-down menu.
To manually input the time, enter the values in these elds
for the Year, Month, Day, Hour, Minute, and Second and then
click Set Time.
You can also click Copy Your Computer’s Time Settings to
synch the date and time with the computer you are currently
on.
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Section 5 - Tools
SysLog
The Broadband Router keeps a running log of events and activities occurring on the Router. You may send these logs to a
SysLog server on your network.
Save Log File To
Local Drive:
Enable Logging to
SysLog Server:
SysLog Server IP
Address:
Click the Save button to save a local copy of the Log le on
your PC.
Check this box to send the router logs to a SysLog Server.
The address of the SysLog server that will be used to send the
logs. You may also select your computer from the drop-down
menu (only if receiving an IP address from the router via DHCP).
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Section 5 - Tools
Email Settings
This section allows you to manage the router’s conguration settings, reboot the router, and restore the router to the factory
default settings. Restoring the unit to the factory default settings will erase all settings, including any rules that you’ve created.
Enable Email
Notication:
To Email
Address:
SMTP Server
Address:
SMTP Server
Port:
Enable
Authentication:
Account Name:
Password:
On Log Full:
When this option is enabled, router activity logs are emailed to
a designated email address.
Enter the email address where you want the email sent.
Enter the SMTP server address for sending email.
Enter the SMTP port used on the server.
Check this box if your SMTP server requires authentication.
Enter your account for sending email.
Enter the password associated with the account. Re-type the
password associated with the account.
When this option is selected, logs will be sent via email to your
account when the log is full.
On Schedule:
Schedule:
Selecting this option will send the logs via email according to
schedule.
This option is enabled when On Schedule is selected. You can
select a schedule from the list of dened schedules.
To create a schedule, go to Maintenance > Schedules.
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Section 5 - Tools
System
This section allows you to manage the router’s conguration settings, reboot the router, and restore the router to the factory
default settings. Restoring the unit to the factory default settings will erase all settings, including any rules that you’ve created.
Save Settings to
Local Hard Drive:
Load Settings
from Local Hard
Drive:
Restore to
Factory Default
Settings:
Reboot Device:
Use this option to save the current router conguration settings
to a le on the hard disk of the computer you are using. First, click
the Save button. A le dialog will appear, allowing you to select
a location and le name for the settings.
Use this option to load previously saved router conguration
settings. First, use the Browse option to nd a previously saved le
of conguration settings. Then, click the Load button to transfer
those settings to the router.
This option will restore all conguration settings back to the
settings that were in eect at the time the router was shipped
from the factory. Any settings that have not been saved will be
lost, including any rules that you have created. If you want to save
the current router conguration settings, use the Save button
above.
Click to reboot the router.
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Section 5 - Tools
Firmware
You can upgrade the rmware of the access point here. Make sure the rmware you want to use is on the local hard drive of
the computer. Click on Browse to locate the rmware le to be used for the update. Please check the D-Link support website
for rmware updates at http://support.dlink.com. You can download rmware upgrades to your hard drive from this site.
Check Now:
Choose File:
Upgrade:
Choose File:
Upgrade:
Remove:
Click Check Now to check for new rmware and language
pack versions online.
After you have downloaded the new rmware, click Choose
File to locate the rmware update on your hard drive.
Click Upgrade to complete the rmware upgrade.
After you have downloaded the new language pack, click
Choose File to locate the language pack le on your hard
drive.
Click Upgrade to complete the language pack upgrade.
Click Remove to delete an installed Language Pack.
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Section 5 - Tools
Dynamic DNS
The DDNS feature allows you to host a server (Web, FTP, Game Server, etc…) using a domain name that you have purchased
(www.whateveryournameis.com) with your dynamically assigned IP address. Most broadband Internet Service Providers assign
dynamic (changing) IP addresses. Using a DDNS service provider, your friends can enter in your domain name to connect to
your server no matter what your IP address is.
Enable
Dynamic DNS:
Server
Address:
Host Name:
Username or
Key:
Password or
Key:
Dynamic Domain Name System is a method of keeping a
domain name linked to a changing IP Address. Check the
box to enable DDNS.
Select your DDNS provider from the drop-down menu or
enter the DDNS server address.
Enter the Host Name that you registered with your DDNS
service provider.
Enter the Username or key for your DDNS account.
Enter the Password or key for your DDNS account.
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Section 5 - Tools
System Check
Host Name or IP
Address:
Ping Result:
The Ping Test is used to send Ping packets to test if a
computer is on the Internet. Enter the IP address that you
wish to Ping and click Ping.
The results of your ping attempts will be displayed here.
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Section 5 - Tools
Schedule
Name:
Days:
Time Format:
Start Time:
End Time:
Schedule Rules
List:
Enter a name for your new schedule.
Select a day, a range of days, or All Week to include every day.
Choose a 24 hour or 12 hour clock-style.
Enter a start time for your schedule.
Enter an end time for your schedule.
The list of schedules will be listed here. Click the Edit icon
to make changes or click the Delete icon to remove the
schedule.
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Section 6 - Status
Status
Device Info
This page displays the current information for the DIR-640L. It will display the LAN, WAN (Internet), and Wireless information.
If your Internet connection is set up for a Dynamic IP address then a Release button and a Renew button will be displayed.
Use Release to disconnect from your ISP and use Renew to connect to your ISP.
If your Internet connection is set up for PPPoE, a Connect button
and a Disconnect button will be displayed. Use Disconnect to
drop the PPPoE connection and use Connect to establish the
PPPoE connection.
General:
WAN:
LAN:
LAN Computers:
Displays the router’s time and rmware version.
Displays the MAC address and the public IP settings.
Displays the MAC address and the private (local) IP settings
for the router.
Displays computers and devices that are connected to the
router via Ethernet and that are receiving an IP address
assigned by the router (DHCP).
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Section 6 - Status
Log
The router automatically logs (records) events of possible interest in its internal memory. If there isn’t enough internal memory
for all events, logs of older events are deleted but logs of the latest events are retained. The Logs option allows you to view
the router logs. You can dene what types of events you want to view and the level of the events to view. This router also has
external Syslog Server support so you can send the log les to a computer on your network that is running a Syslog utility.
Refresh:
Download:
Clear Logs:
Link To Log
Settings:
Updates the log details on the screen so it displays any recent
activity.
This option will save the router log to a le on your computer.
Clears all of the log contents.
This option will jump to Tools > Syslog settings.
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Section 6 - Status
Statistics
The screen below displays the Trac Statistics. Here you can view the amount of packets that pass through the DIR-640L on both
the WAN, LAN ports and both the 802.11n/g and 802.11n/a wireless bands. The trac counter will reset if the device is rebooted.
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Section 6 - Status
Active Session
The Active Session page displays full details of active Internet sessions through your router. An Internet session is a conversation
between a program or application on a LAN-side computer and a program or application on a WAN-side computer.
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Section 6 - Status
LAN Clients
This page will list the LAN clients currently connected to your network.
83D-Link DIR-640L User Manual
Section 6 - Status
This page will display your current routing table.
Routing
84D-Link DIR-640L User Manual
Section 6 - Status
VPN
This page is where the router displays information on the the current VPN tunnels.
85D-Link DIR-640L User Manual
Section 6 - Status
IPv6
The IPv6 page displays a summary of the Router’s IPv6 settings and lists the IPv6 address and host name of any IPv6 clients.
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Section 6 - Status
Support
Click these links to get further instruction when conguring your DIR-640L Wireless N300 Cloud VPN Router.
87D-Link DIR-640L User Manual
Section 9 - Troubleshooting
Troubleshooting
This chapter provides solutions to problems that can occur during the installation and operation of the DIR-640L. Read the
following descriptions if you are having problems. The examples below are illustrated in Windows® XP. If you have a dierent
operating system, the screenshots on your computer will look similar to the following examples.
1. Why can’t I access the web-based conguration utility?
When entering the IP address of the D-Link router (192.168.0.1 for example), you are not connecting to a website nor do you
have to be connected to the Internet. The device has the utility built-in to a ROM chip in the device itself. Your computer must
be on the same IP subnet to connect to the web-based utility.
• Make sure you have an updated Java-enabled web browser. We recommend the following:
- Microsoft Internet Explorer® 6.0 and higher
- Mozilla Firefox 3.0 and higher
- Google™ Chrome 2.0 and higher
- Apple Safari 3.0 and higher
• Verify physical connectivity by checking for solid link lights on the device. If you do not get a solid link light, try using a
dierent cable or connect to a dierent port on the device if possible. If the computer is turned o, the link light may not be
on.
• Disable any Internet security software running on the computer. Software rewalls such as Zone Alarm, Black Ice, Sygate,
®
Norton Personal Firewall, and Windows
with your rewall software for more information on disabling or conguring it.
XP rewall may block access to the conguration pages. Check the help les included
88D-Link DIR-640L User Manual
Section 9 - Troubleshooting
• Congure your Internet settings:
• Go to Start > Settings > Control Panel. Double-click the Internet Options Icon. From the Security tab, click
the button to restore the settings to their defaults.
• Click the Connection tab and set the dial-up option to Never Dial a Connection. Click the LAN Settings button.
Make sure nothing is checked. Click OK.
• Go to the Advanced tab and click the button to restore these settings to their defaults. Click OK three times.
• Close your web browser (if open) and open it.
• Access the web management. Open your web browser and enter the IP address of your D-Link router in the address bar. This
should open the login page for your web management.
• If you still cannot access the conguration, unplug the power to the router for 10 seconds and plug back in. Wait about 30
seconds and try accessing the conguration. If you have multiple computers, try connecting using a dierent computer.
2. What can I do if I forgot my password?
If you forgot your password, you must reset your router. Unfortunately this process will change all your settings back to the
factory defaults.
To reset the router, locate the reset button (hole) on the rear panel of the unit. With the router powered on, use a paperclip
to hold the button down for 10 seconds. Release the button and the router will go through its reboot process. Wait about 30
seconds to access the router. The default IP address is 192.168.0.1. When logging in, the username is admin and the password
is should be left empty.
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Section 9 - Troubleshooting
3. Why can’t I connect to certain sites or send and receive emails when connecting through my router?
If you are having a problem sending or receiving email, or connecting to secure sites such as eBay, banking sites, and Hotmail,
we suggest lowering the MTU in increments of ten (Ex. 1492, 1482, 1472, etc).
To nd the proper MTU Size, you’ll have to do a special ping of the destination you’re trying to go to. A destination could be
another computer, or a URL.
• Click on Start and then click Run.
• Windows® 95, 98, and Me users type in command (Windows® NT, 2000, XP, Vista®, and 7 users type in cmd) and
press Enter (or click OK).
• Once the window opens, you’ll need to do a special ping. Use the following syntax:
ping [url] [-f] [-l] [MTU value]
Example: ping yahoo.com -f -l 1472
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Section 9 - Troubleshooting
You should start at 1472 and work your way down by 10 each time. Once you get a reply, go up by 2 until you get a fragmented
packet. Take that value and add 28 to the value to account for the various TCP/IP headers. For example, lets say that 1452 was the
proper value, the actual MTU size would be 1480, which is the optimum for the network we’re working with (1452+28=1480).
Once you nd your MTU, you can now congure your router with the proper MTU size.
To change the MTU rate on your router follow the steps below:
• Open your browser, enter the IP address of your router (http://192.168.0.1) and click OK.
• Enter your username (admin) and password (should be left empty). Click OK to enter the web conguration
page for the device.
• Click on Setup and then click Manual Congure.
91D-Link DIR-640L User Manual
Appendix A - Wireless Basics
Wireless Basics
D-Link wireless products are based on industry standards to provide easy-to-use and compatible high-speed wireless
connectivity within your home, business or public access wireless networks. Strictly adhering to the IEEE standard, the D-Link
wireless family of products will allow you to securely access the data you want, when and where you want it. You will be able
to enjoy the freedom that wireless networking delivers.
A wireless local area network (WLAN) is a cellular computer network that transmits and receives data with radio signals instead of
wires. Wireless LANs are used increasingly in both home and oce environments, and public areas such as airports, coee shops
and universities. Innovative ways to utilize WLAN technology are helping people to work and communicate more eciently.
Increased mobility and the absence of cabling and other xed infrastructure have proven to be benecial for many users.
Wireless users can use the same applications they use on a wired network. Wireless adapter cards used on laptop and desktop
systems support the same protocols as Ethernet adapter cards.
Under many circumstances, it may be desirable for mobile network devices to link to a conventional Ethernet LAN in order to
use servers, printers or an Internet connection supplied through the wired LAN. A Wireless Router is a device used to provide
this link.
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Appendix A - Wireless Basics
What is Wireless?
Wireless or Wi-Fi technology is another way of connecting your computer to the network without using wires. Wi-Fi uses radio
frequency to connect wirelessly, so you have the freedom to connect computers anywhere in your home or oce network.
Why D-Link Wireless?
D-Link is the worldwide leader and award winning designer, developer, and manufacturer of networking products. D-Link
delivers the performance you need at a price you can aord. D-Link has all the products you need to build your network.
How does wireless work?
Wireless works similar to how cordless phone work, through radio signals to transmit data from one point A to point B. But
wireless technology has restrictions as to how you can access the network. You must be within the wireless network range area
to be able to connect your computer. There are two dierent types of wireless networks Wireless Local Area Network (WLAN),
and Wireless Personal Area Network (WPAN).
Wireless Local Area Network (WLAN)
In a wireless local area network, a device called an Access Point (AP) connects computers to the network. The access point has
a small antenna attached to it, which allows it to transmit data back and forth over radio signals. With an indoor access point
as seen in the picture, the signal can travel up to 300 feet. With an outdoor access point the signal can reach out up to 30 miles
to serve places like manufacturing plants, industrial locations, college and high school campuses, airports, golf courses, and
many other outdoor venues.
Wireless Personal Area Network (WPAN)
Bluetooth is the industry standard wireless technology used for WPAN. Bluetooth devices in WPAN operate in a range up to
30 feet away.
Compared to WLAN the speed and wireless operation range are both less than WLAN, but in return it doesn’t use nearly as
much power which makes it ideal for personal devices, such as mobile phones, PDAs, headphones, laptops, speakers, and other
devices that operate on batteries.
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Appendix A - Wireless Basics
Who uses wireless?
Wireless technology as become so popular in recent years that almost everyone is using it, whether it’s for home, oce, business,
D-Link has a wireless solution for it.
Home
• Gives everyone at home broadband access
• Surf the web, check email, instant message, etc.
• Gets rid of the cables around the house
• Simple and easy to use
Small Oce and Home Oce
• Stay on top of everything at home as you would at oce
• Remotely access your oce network from home
• Share Internet connection and printer with multiple computers
• No need to dedicate oce space
Where is wireless used?
Wireless technology is expanding everywhere not just at home or oce. People like the freedom of mobility and it’s becoming
so popular that more and more public facilities now provide wireless access to attract people. The wireless connection in public
places is usually called “hotspots”.
Using a D-Link Cardbus Adapter with your laptop, you can access the hotspot to connect to Internet from remote locations
like: Airports, Hotels, Coee Shops, Libraries, Restaurants, and Convention Centers.
Wireless network is easy to setup, but if you’re installing it for the rst time it could be quite a task not knowing where to start.
That’s why we’ve put together a few setup steps and tips to help you through the process of setting up a wireless network.
94D-Link DIR-640L User Manual
Appendix A - Wireless Basics
Tips
Here are a few things to keep in mind, when you install a wireless network.
Centralize your router or Access Point
Make sure you place the router/access point in a centralized location within your network for the best performance. Try to
place the router/access point as high as possible in the room, so the signal gets dispersed throughout your home. If you have
a two-story home, you may need a repeater to boost the signal to extend the range.
Eliminate Interference
Place home appliances such as cordless telephones, microwaves, and televisions as far away as possible from the router/access
point. This would signicantly reduce any interference that the appliances might cause since they operate on same frequency.
Security
Don’t let you next-door neighbors or intruders connect to your wireless network. Secure your wireless network by turning on
the WPA or WEP security feature on the router. Refer to product manual for detail information on how to set it up.
95D-Link DIR-640L User Manual
Appendix A - Wireless Basics
Wireless Modes
There are basically two modes of networking:
• Infrastructure – All wireless clients will connect to an access point or wireless router.
• Ad-Hoc – Directly connecting to another computer, for peer-to-peer communication, using wireless network
adapters on each computer, such as two or more DIR-640L wireless network Cardbus adapters.
An Infrastructure network contains an Access Point or wireless router. All the wireless devices, or clients, will connect to the
wireless router or access point.
An Ad-Hoc network contains only clients, such as laptops with wireless cardbus adapters. All the adapters must be in Ad-Hoc
mode to communicate.
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