D Link DI-754 Multimode 5GHz Wireless Router User Manual di754 MANUAL 102

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D-LINK AirPro DI-754
5 GHz Multimode
Wireless Router
Manual
Building Networks for People
Contents
Package Contents ................................................................................3
Introduction ..........................................................................................4
Wireless Basics ....................................................................................6
Getting Started ...................................................................................10
Using the Configuration Menu ............................................................12
Networking Basics ..............................................................................41
Troubleshooting .................................................................................. 70
Technical Specifications .....................................................................76
Contacting Technical Support.............................................................79
Warranty and Registration ..................................................................80
Package Contents
Contents of Package:
! D-Link AirPro DI-754
5GHz Multimode Wireless Broadband Router
Power Adapter – 5V DC, 3A
Manual and Warranty on CD
Quick Installation Guide
Ethernet Cable (CAT5 UTP/Straight Through)
Note: Using a power supply with a different voltage rating than the one included with the
DI-754 will cause damage and void the warranty for this product.
If any of the above items are missing, please contact your reseller.
System Requirements:
! Ethernet-Based Cable or DSL Modem
! Computers with Windows, Macintosh, or Linux-based
operating systems with an installed Ethernet adapter
! Internet Explorer Version 5.5 or Netscape Navigator
Version 4.79 and Above
Introduction
D-Link introduces the 802.11a wireless broadband router with optional 802.11b
connection (using the D-Link AirPlus DWL-650+ Cardbus Adapter), as part of
the D-Link AirPro series of wireless networking products.
The new D-Link AirPro DI-754 Multimode Wireless Router serves both 802.11a
wireless networks at 54 Mbps (72 Mbps in Turbo mode*) and 802.11b wireless
networks (when used with the installed D-Link AirPlus DWL-650+ Cardbus
Adapter) at 11Mbps (22 Mbps with D-Link AirPlus products.)
The DI-754 will automatically obtain an IP address and forward additional IP
addresses to multiple clients for a seamless network connection and shared
Internet access.
At 54Mbps (up to 72Mbps in Turbo mode*) in the 5GHz frequency range and a
simultaneous 11 Mbps (up to 22 Mbps with D-Link AirPlus products when the
optional Cardbus Adapter is installed) in the 2.4GHz frequency range, the DLink AirPro DI-754 multimode router is capable of delivering the fastest
standards-based wireless data transfers. Based on IEEE 802.11a and 802.11b
technology, this next-generation multimode wireless access point provides
excellent network interoperability.
Armed with powerful management and security capabilities, the D-Link Air Pro
DI-754 has an intuitive and secure web-based interface that is powered by an
embedded web server.
After completing the steps outlined in the Quick Installation Guide (included in
your package) not only will you have the ability to share information and
resources, but you will also be able to enjoy the freedom that wireless networking
delivers, at speeds capable of handling a video stream.
*When used with other D-Link AirPro products.
With its web-based interface for easy integration into an existing network (accessible
from most Internet browser applications), the DI-754 works with popular operating
systems including Macintosh, Linux and Windows. This Manual is designed to help
you connect the DI-754 into an existing 802.11a or 802.11b wireless network. Please
take a look at the Getting Started section in this manual to see an example of an
Infrastructure network using the DI-754.
Connections
Expansion Slot for
optional DWL-650+
Cardbus Adapter*
LAN ports automatically
sense cable type when
connecting to Ethernetenabled computers.
Pressing the
Reset Button
restores the
router to its
original factory
default settings.
The WAN port is the
connection for the
Ethernet cable to the
Cable or DSL modem
*The Expansion Slot on
the DI-754 will
only work with a D-Link
DWL-650+. Make sure
the DI-754 Router is
completely powered off
before inserting the
DWL-650+ into the
Expansion Slot.
Receptor
for the
Power
Adapter
Features
! Setup Wizard for quick installation
! Fully compatible with 802.11a standard
! Supports data transfer rates of up to 54 Mbps at 5GHz
! Ethernet cable included
! Wireless range of up to 328 feet (100 meters) indoors1
! 3 year limited warranty (USA only)
Advanced Security Features
! Supports up to 152-bit WEP with dynamic keying
! Advanced firewall and security
! Supports multi-sessions with VPN passthrough
Features with Optional DWL-650+ (D-Link DWL-650+ is available as a separate purchase)
! Fully compatible with 802.11b standard
! Supports data transfer rates of up to 22 mbps at 2.4GHz
! Supports up to 256-bit WEP Encryption
1.Environmental factors may adversely affect range
LEDS
LED stands for Light-Emitting Diode. The DI-754 has the following LEDs as
shown below:
LED
Power
LED Activity
A steady light indicates a connection to a power source
M1
A solid light indicates that the DI-754 is ready
M2
A solid light indicates that the unit is defective
WAN
A solid light indicates connection on the WAN port.
This LED blinks during data transmission.
WLAN
802.11a
A solid light indicates that the 802.11a wireless segment is ready. The LED blinks during 802.11a wireless
data transmission.
WLAN
802.11b
A solid light indicates that the 802.11b wireless segment is ready (when the DWL-650+ is installed.) The
LED blinks during 802.11b wireless data transmission.
Local Network
(Ports 1-4)
A solid light indicates a connection, a blinking light
indicates data transmission to an Ethernet-enabled
computer on ports 1-4.
Wireless Basics
D-Link wireless products are based on industry standards to provide easyto-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 office environments, and
public areas such as airports, coffee shops and universities. Innovative ways
Wireless Basics (continued)
to utilize WLAN technology are helping people to work and communicate
more efficiently. Increased mobility and the absence of cabling and other
fixed infrastructure have proven to be beneficial 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.
People use wireless LAN technology for many different purposes:
Mobility - Productivity increases when people have access to data in any
location within the operating range of the WLAN. Management decisions
based on real-time information can significantly improve worker efficiency.
Low Implementation Costs – WLANs (Wireless Local Area Networks)
are easy to set up, manage, change and relocate. Networks that frequently
change, both physically and logically, can benefit from WLANs ease of
implementation. WLANs can operate in locations where installation of wiring
may be impractical.
Installation Speed and Simplicity - Installing a wireless LAN system
can be fast and easy and can eliminate the need to pull cable through walls
and ceilings.
Network Expansion - Wireless technology allows the network to go where
wires cannot go.
Scalability – Wireless Local Area Networks (WLANs) can be configured in
a variety of topologies to meet the needs of specific applications and
installations. Configurations are easily changed and range from peer-to-peer
networks suitable for a small number of users to larger infrastructure
networks to accommodate hundreds or thousands of users, depending on
the number of wireless devices deployed.
Wireless Basics (continued)
The DI-754 is compatible with other D-Link AirPro 802.11a products, which
include:
♦
5GHz Wireless Cardbus Adapters used with laptop computers
(DWL-A650)
♦
5GHz Wireless PCI Adapters used with desktop computers
(DWL-A520)
The DI-754 is also compatible with the D-Link AirPlus 802.11b wireless family
(when you install the DWL-650+ into the expansion slot), which includes:
♦
Enhanced 2.4GHz Wireless Cardbus Adapters used with laptop
computers (DWL-650+)
♦
Enhanced 2.4GHz Wireless PCI cards used with desktop computers
(DWL-520+)
Standards-Based Technology
The versatile DI-754 Wireless Broadband Router integrates both 802.11a and
optional (with D-Link DWL-650+) 802.11b standards into a single unit.
The IEEE 802.11a standard designates that devices may operate at an optimal
data rate of 54 Mbps (72 Mbps in proprietary Turbo mode.) This means that in
most environments, within the specified range of this device, you will be able to
transfer large files quickly or even watch a movie in MPEG format over your
network without noticeable delays. This technology works by transmitting highspeed digital data over a radio wave utilizing OFDM (Orthogonal Frequency
Division Multiplexing) technology. OFDM works by splitting the radio signal
into multiple smaller sub-signals that are then transmitted simultaneously at
different frequencies to the receiver. OFDM reduces the amount of crosstalk
(interference) in signal transmissions. D-Link AirPro 802.11a products will
automatically sense the best possible connection speed to ensure the greatest
speed and range possible.
Based on the IEEE 802.11b standard (when the optional D-Link DWL-650+ is
installed in the expansion slot), the DI-754 is also interoperable with existing
compatible 2.4GHz wireless technology with data transfer speeds of up to
22Mbps (with the D-Link AirPlus family of wireless devices), as well as standard
802.11b technology (the D-Link Air family of wireless devices), with speeds of
up to 11Mbps.
Wireless Basics (continued)
Installation Considerations
The D-Link AirPro DI-754 lets you access your network, using a wireless
connection, from virtually anywhere. 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 DI-754 and your
receiving device (e.g., the DWL-A650 or the DWL-650+) to a minimum each wall or ceiling can reduce your D-Link AirPro Wireless product’s
range from 3-90 feet (1-30 meters.) Position your receiving devices so
that the number of walls or ceilings is minimized.
2. Be aware of the direct line between routers and computers. 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! Try to make sure that devices are positioned so that the signal will
travel straight through a wall or ceiling for better reception.
3. Building Materials make a difference - a solid metal door or aluminum
studs may have a negative effect on range. Try to position wireless
devices and computers with wireless adapters so that the signal passes
through drywall or open doorways and not other materials.
4. Keep your product away (at least 3-6 feet or 1-2 meters) from electrical
devices or appliances that generate RF noise.
Getting Started
Right out of the box, with its default settings, the DI-754 will
connect with other D-Link AirPro products.
With a single IP Address from your Broadband Internet Service provider you
can share the Internet with all the computers on your local network, without
sacrificing speed or security, using D-Link DI-754 Wireless Router.
IP ADDRESS
Note: If you are using a DHCP-capable router in your network setup,
such as the DI-754, you will not need to assign a static IP Address.
If you need to assign IP Addresses to the computers on the network,
please remember that the IP Address for each computer must be in
the same IP Address range as all the computers in the network, and
the Subnet mask must be exactly the same for all the computers in the
network.
For example: If the first computer is assigned an IP Address of
192.168.0.2 with a Subnet Mask of 255.255.255.0, then the second
computer can be assigned an IP Address of 192.168.0.3 with a Subnet
Mask of 255.255.255.0, etc.
IMPORTANT: If computers or other devices are assigned the same
IP Address, one or more of the devices may not be visible on the
network.
An Infrastructure wireless network contains an Access Point. (Note: The
DI-754 has a built-in 802.11a Access Point.) The Infrastructure Network
example, shown here, contains the following D-Link network devices:
A wireless Router - D-Link AirPro DI-754
A laptop computer with a wireless adapter - D-Link AirPro DWL-A650 or
AirPlus DWL-650+
A desktop computer with a wireless adapter - D-Link AirPro DWL-A520 or
AirPlus DWL-520+
A Cable modem - D-Link DCM-200
Note: to utilize the 802.11b connection to your network, please
install the D-Link DWL-650+ into the slot on the back of the DI754. Please make sure that the DWL-650+ is fully inserted into
the slot. (See the Quick Installation Guide for the DWL-650+.)
10
Getting Started
Please remember that D-Link AirPro wireless devices are pre-configured to connect
together, right out of the box, with the default settings.
For a typical wireless setup at home (as shown above), please do the
following:
You will need broadband Internet access (Cable/DSL)
Consult with your Cable/DSL provider for proper installation of the modem
Connect the Cable or DSL modem to the DI-754 broadband router (see the
Quick Installation Guide included with the DI-754.)
If you are connecting a desktop computer to your network, you can install the
D-Link AirPro DWL-A520 (or the DWL-520+) wireless PCI adapter into an
available PCI slot. (See the Quick Installation Guide included with the
DWL-A520, DWL-520+ or DWL-520.)
If you are connecting a laptop computer to your network, install the drivers for
the wireless cardbus adapter (D-Link AirPro DWL-A650) into a laptop
computer. (See the Quick Installation Guide included with the DWL-A650,
DWL-650+, or DWL-650.)
11
Using the Configuration Menu
Before you configure the DI-754, you will run the
Setup Wizard by inserting the CD-ROM that came
with the DI-754 and clicking on Configure the DI754. (Please see the Quick Installation Guide that
came with the product.) After you have completed
the Setup Wizard you can access the Configuration
menu at any time by opening the web browser and
typing in the IP Address of the DI-754. The DI-754
default IP Address is shown below:
Open the web browser
Type in the IP Address of the
Router
http://192.168.0.1
Note: if you have changed the default IP Address assigned to the DI-754, make sure to
enter the correct IP Address.
Type admin in the User
Name field
Leave the Password
blank
Click Next
Connect to 192.168.0.1
admin
Home > Wizard
The Home>Wizard
screen will appear.
Please refer to the
Quick Installation
Guide for more information regarding the
Setup Wizard.
DI-754
DI-754
DI-754
12
Using the Configuration Menu
Home > Wireless > 802.11a
Wireless Settings- choose 802.11a or 802.11b+. Here, 802.11a is selected.
SSID-
by default the SSID is set to default. All devices on the network must share the same SSID. If you change the default
setting, the SSID may be up to 32 characters long.
Channel-
52 is the default channel for 802.11a. All devices on the network must share the same channel. Note: Wireless adapters
will automatically scan and match the channel of the Access
Point.
select ON or OFF. (Note: If you enable Turbo mode on the
DI-754 make sure to also enable Turbo mode on all 802.11a
wireless clients or wireless connection will not be established.)
Turbo ModeWEP-
select Enabled or Disabled. Disabled is the default setting.
(Note: If you enable encryption on the DI-754 make sure to also
enable encryption on all 802.11a wireless clients or wireless
connection will not be established.)
WEP Encryption-
select the level of encryption desired: 64, 128 or 152-bit
WEP (Wired Equivalent Privacy)
Provides security by encrypting data during transmission
Key Type-
select HEX or ASCII
Hexadecimal digits consist of the numbers 0-9 and the letters A-F
ASCII (American Standard Code for Information Interchange) is a code for
representing English letters as numbers from 0-127
Keys 1-4Apply-
input up to 4 WEP keys; select the one you wish to use.
click Apply to save the changes.
13
Using the Configuration Menu
Home > Wireless > 802.11b+
Wireless Settings- choose 802.11a or 802.11b+. Here, 802.11b+ is selected.
SSID-
“default” is the default setting. All devices on the network must
share the same SSID. The SSID may be up to 32 characters
long.
Channel-
6 is the default channel for 802.11b+. All devices on the network must share the same channel. (Note: The wireless adapters will automatically scan and match the wireless setting.)
WEP-
select Enabled or Disabled. Disabled is the default setting.
(Note: If you enable encryption on the DI-754 make sure to also
enable encryption on all 802.11a wireless clients or wireless
connection will not be established.)
WEP Encryption-
select the level of encryption desired: 64, 128 or 256-bit
Key Type-
select HEX or ASCII
Passphrase-
when you select Key Type: ASCII, you can enter a Passphrase
for any or all of Keys 1-4
Keys 1-4-
input up to 4 WEP keys; select the one you wish to use.
Apply-
click Apply to save the changes.
14
Using the Configuration Menu
Home > WAN > Dynamic IP Address
DI-754
Dynamic
IP Address-
most Cable modem users will select this option to obtain an IP
Address automatically from their ISP (Internet Service Provider).
Host Name-
this is optional, but may be required by some ISPs. The default
host name is the device name of the Router and may be
changed.
MAC Address-
the default MAC Address is set to the WAN’s physical interface
MAC address on the Router.
Clone
MAC Address-
click on Clone Mac Address to automatically enter the MAC
address of the Ethernet card in your computer into the MAC
Address field. Some ISPs (Internet Service Providers) restrict
access to their network unless you are using the specific MAC
address of the ethernet adapter originally installed by the ISP.
Apply-
click Apply to save the changes.
15
Using the Configuration Menu
Home > WAN > Static IP Address
Static IP Address- select this option to set static IP information provided to you by
your ISP.
IP Address-
input the IP Address provided by your ISP
Subnet Mask-
input your Subnet mask. (All devices in the network must have
the same subnet mask.)
ISP
Gateway Address- input the Gateway address
Primary
DNS Address-
input the address provided by your ISP
Secondary
DNS Address-
this is optional
Apply-
click Apply to save the changes.
16
Using the Configuration Menu
Home > WAN > PPPoE
Please be
sure to
remove any
existing
PPPoE client
software
installed
on your
computers.
PPPoE-
Choose this option if your ISP uses PPPoE. (Most DSL users
will select this option.)
Dynamic PPPoE- receive an IP Address automatically from
your ISP.
or
Static PPPoE-you have an assigned (static) IP Address.
User Name-
your PPPoE username provided by your ISP.
Password-
your PPPoE password provided by your ISP.
Retype Password- re-enter the PPPoE password
Service Name-
enter the Service Name provided by your ISP (optional).
IP Address-
this option is only available for Static PPPoE. Enter the static
IP Address for the PPPoE connection.
17
Using the Configuration Menu
Home > WAN > PPPoE continued
Primary
DNS Addressget this info from your ISP
Secondary
optional
DNS AddressMaximum
Idle Time-
enter a maximum idle time during which internet connection is
maintained during inactivity. To disable this feature, enter zero
or enable Auto-reconnect.
MTU-
Maximum Transmission Unit-1492 is default-you may need to
change the MTU to conform with your ISP.
Auto-reconnect-
if enabled, the DI-754 will automatically connect to your ISP
after your system is restarted or if the connection is dropped.
Apply-
click Apply to save the changes.
Home > LAN
DI-754
LAN is short for Local Area Network. This is considered your internal network. These
are the IP settings of the LAN interface for the DI-754. These settings may be referred
to as Private settings. You may change the LAN IP address if needed. The LAN IP
address is private to your internal network and cannot be seen on the Internet.
IP Address-
the IP address of the LAN interface. The default IP address is:
192.168.0.1
Subnet Mask-
the subnet mask of the LAN interface.
The default subnet mask is 255.255.255.0
Local
optional
Apply-
click Apply to save the changes.
18
Using the Configuration Menu
Home > DHCP
DI-754
DHCP stands for Dynamic Host Configuration Protocol. The DI-754 has a built-in DHCP
server. The DHCP Server will automatically assign an IP address to the computers on
the LAN/private network. Be sure to set your computers to be DHCP clients by setting
their TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your
computers on, they will automatically load the proper TCP/IP settings provided by the
DI-754. The DHCP Server will automatically allocate an unused IP address from the IP
address pool to the requesting computer. You must specify the starting and ending
address of the IP address pool.
DHCP Server-
select Enabled or Disabled. The default setting is Enabled.
Starting
IP Address-
the starting IP address for the DHCP server’s IP assignment
Ending
IP Address-
the ending IP address for the DHCP server’s IP assignment
Lease Time-
enter the Lease time. The default setting is one hour
Apply-
click Apply to save the changes
19
Using the Configuration Menu
Advanced > Virtual Server
The DI-754 can be configured as a virtual server so that remote users accessing
Web or FTP services via the public IP address can be automatically redirected to
local servers in the LAN (Local Area Network).
The DI-754 firewall feature filters out unrecognized packets to protect your LAN
network so all computers networked with the DI-754 are invisible to the outside
world. If you wish, you can make some of the LAN computers accessible from the
Internet by enabling Virtual Server. Depending on the requested service, the DI-754
redirects the external service request to the appropriate server within the LAN
network.
20
Using the Configuration Menu
Advanced > Virtual Server continued
The DI-754 is also capable of port-redirection meaning incoming traffic to a particular
port may be redirected to a different port on the server computer.
Each virtual service that is created will be listed at the bottom of the screen in the
Virtual Servers List. There are pre-defined virtual services already in the table. You
may use them by enabling them and assigning the server IP to use that particular
virtual service.
Virtual Server-
select Enabled or Disabled
Name-
enter the name referencing the virtual service
Private IP-
the server computer in the LAN (Local Area Network) that will
be providing the virtual services.
Protocol Type-
the protocol used for the virtual service
Private Port-
the port number of the service used by the Private IP computer
Public Port-
the port number on the WAN (Wide Area Network) side that will
be used to access the virtual service.
Schedule-
The schedule of time when the virtual service will be
enabled. The schedule may be set to Always, which will
allow the particular service to always be enabled. If it is set to
Time, select the time frame for the service to be enabled. If
the system time is outside of the scheduled time, the service
will be disabled.
Apply-
click Apply to save the changes.
Example #1:
If you have a Web server that you wanted Internet users to access at all times, you
would need to enable it. Web (HTTP) server is on LAN (Local Area Network)
computer 192.168.0.25. HTTP uses port 80, TCP.
Name: Web Server
Private IP: 192.168.0.25
Protocol Type: TCP
Private Port: 80
Public Port: 80
Schedule: always
21
Using the Configuration Menu
Advanced > Virtual Server continued
Click on this icon to edit the virtual service
Click on this icon to delete the virtual service
Example #2:
If you have an FTP server that you wanted Internet users to access by WAN port
2100 and only during the weekends, you would need to enable it as such. FTP
server is on LAN computer 192.168.0.30. FTP uses port 21, TCP.
Name: FTP Server
Private IP: 192.168.0.30
Protocol Type: TCP
Private Port: 21
Public Port: 2100
Schedule: From: 01:00AM to 01:00AM, Sat to Sun
All Internet users who want to access this FTP Server
must connect to it from port 2100. This is an example of
port redirection and can be useful in cases where there
are many of the same servers on the LAN network.
22
Using the Configuration Menu
Advanced > Applications
Some applications require multiple connections, such as Internet gaming, video
conferencing, Internet telephony and others. These applications have difficulties
working through NAT (Network Address Translation). Special Applications makes
some of these applications work with the DI-754. If you need to run applications that
require multiple connections, specify the port normally associated with an application
in the “Trigger Port” field, select the protocol type as TCP or UDP, then enter the
public ports associated with the trigger port to open them for inbound traffic.
The DI-754 provides some predefined applications in the table on the bottom of the
web page. Select the application you want to use and enable it.
Note! Only one PC can use each Special Application tunnel.
Name:
this is the name referencing the special application.
Trigger Port:
this is the port used to trigger the application. It can be either
a single port or a range of ports.
Trigger Type:
this is the protocol used to trigger the special application.
Public Port:
Public Type:
this is the port number on the WAN side that will be used to
access the application. You may define a single port or a
range of ports. You can use a comma to add multiple ports or
port ranges.
this is the protocol used for the special application.
Apply:
click Apply to save the changes
23
Using the Configuration Menu
Advanced > Filters > IP Filters
Filters are used to deny or allow LAN (Local Area Network) computers from accessing
the Internet. The DI-754 can be setup to deny internal computers by their IP or MAC
addresses. The DI-754 can also block users from accessing restricted web sites.
IP Filters
use IP Filters to deny LAN IP addresses from accessing the
Internet. You can deny specific port numbers or all ports for
the specific IP address.
IP:
the IP address of the LAN computer that will be denied
access to the Internet.
Port:
the single port or port range that will be denied access to the
Internet.
Protocol Type:
select the protocol type
Schedule:
this is the schedule of time when the IP Filter will be enabled.
Apply:
click Apply to save changes.
24
Using the Configuration Menu
Advanced > Filters > URL Blocking
URL Blocking is used to deny LAN computers from accessing specific web sites by
its URL. A URL is a specially formatted text string that defines a location on the
Internet. If any part of the URL contains the blocked word, the site will not be
accessible and the web page will not display.
Filters-
select the filter you wish to use; in this case, URL Blocking
was chosen.
URL Blocking-
select Enabled or Disabled.
Keywords-
block URLs which contain keywords listed below.
Enter the keywords in this space.
Apply-
click Apply to save the changes.
25
Using the Configuration Menu
Advanced > Filters > MAC Filters
Use MAC (Media Access Control) Filters to allow or deny LAN (Local Area Network)
computers by their MAC addresses from accessing the Internet. 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.
Filters-
select the filter you wish to use; in this case, MAC filters was
chosen.
MAC Filters-
choose Disable MAC filters; allow MAC addresses listed below; or deny MAC addresses listed below.
Name-
enter the name here.
MAC Address-
enter the MAC Address.
DHCP Client-
select a DHCP client from the pull-down list; click Clone to copy
that MAC Address
Apply-
click Apply to save the changes.
26
Using the Configuration Menu
Advanced > Filters > Domain Blocking
Domain Blocking is used to allow or deny LAN (Local Area Network) computers from
accessing specific domains on the Internet. Domain blocking will deny all requests to a
specific domain such as http and ftp. It can also allow computers to access specific
sites and deny all other sites.
FiltersDomain Blocking:
select the filter you wish to use; in this case, Domain Blocking
was chosen.
Disabled-
select Disabled to disable Domain Blocking
Allow-
allows users to access all domains except Blocked Domains
denies users access to all domains except
Permitted Domains
Deny-
Permitted
Domains-
enter the Permitted Domains in this field
Blocked Domains- enter the Blocked Domains in this field
Apply-
click Apply to save the changes.
27
Using the Configuration Menu
Advanced > Firewall
DI-754
Firewall Rules is an advance feature used to deny or allow traffic from passing
through the DI-754. It works in the same way as IP Filters with additional settings.
You can create more detailed access rules for the DI-754. When virtual services are
created and enabled, it will also display in Firewall Rules. Firewall Rules contains all
network firewall rules pertaining to IP (Internet Protocol).
In the Firewall Rules List at the bottom of the screen, the priorities of the rules are
from top (highest priority) to bottom (lowest priority.)
Note: The DI-754 MAC Address filtering rules have precedence over the Firewall
Rules.
Firewall Rules-
enable or disable theFirewall
Name-
enter the name
Action-
allow or deny
Source-
enter the IP Address range
Destination-
enter the IP Address range; the Protocol;
and the Port Range
Schedule-
select Always or enter the Time.
Apply-
click Apply to save the changes.
28
Using the Configuration Menu
Advanced > DMZ
If you have a client PC that cannot run Internet applications properly from behind the
DI-754, then you can set the client up to unrestricted Internet access. It allows a
computer to be exposed to the Internet. This feature is useful for gaming purposes.
Enter the IP address of the internal computer that will be the DMZ host. Adding a
client to the DMZ (Demilitarized Zone) may expose your local network to a variety of
security risks, so only use this option as a last resort.
DMZ-
enable or disable the DMZ. The DMZ (Demilitarized Zone)
allows a single computer to be exposed to the internet. By
default the DMZ is disabled.
IP Address-
enter the IP Address of the computer to be in the DMZ
Apply-
click Apply to save the changes.
29
Using the Configuration Menu
Advanced > Performance > 802.11a
Wireless
PerformanceData Rate-
select 802.11a or 802.11b+. Here, 802.11a has been
chosen. This screen displays the wireless performance
features of the Access Point portion of the DI-754.
best is the default selection
Transmit Power-
full is the default selection.
Beacon interval-
beacons are packets sent by an Access Point to synchronize a
wireless network. Specify a value. 100 is the default setting
and is recommended.
RTS Threshold-
Request to Send threshold measures the value in bytes. Any
packet size exceeding 2346 will trigger the DI-754 to use RTS/
CTS mechanism for transmission.
Fragmentation-
this value should also remain at its default setting of 2346. The
Fragmentation threshold, which is specified in bytes, determines
whether packets will be fragmented. Packets exceeding the
2346 byte setting will be fragmented before transmission.
DTIM interval-
(Delivery Traffic Indication Message) 1 is the default setting. A
DTIM is a countdown informing clients of the next window for
listening to broadcast and multicast messages.
Authentication-
select Open system or Shared Key
Open System - the DI-754 will be visible to all devices on the network. This is
the default setting
Shared Key -
Apply-
in this mode, in order to access the DI-754 on the network, the
device must be listed in the MAC Address Control List
click Apply to save the changes
30
Using the Configuration Menu
Advanced > Performance > 802.11b+
Wireless
Performance-
Select 802.11a or 802.11b+. 802.11b+ is selected here. Displayed in this window are the Wireless Performance features
for the Access Point portion of the DI-754.
Beacon interval-
Beacons are packets sent by the DI-754 to synchronize a wireless network. Specify a value. 100 is the default setting and is
recommended.
RTS Threshold-
Request To Send threshold measures the value in bytes. Any
packet size exceeding 2432 will trigger the DI-754 to use RTS/
CTS mechanism for transmission.
Fragmentation-
This value should also remain at its default setting of 2346. The
Fragmentation threshold, which is specified in bytes, determines
whether packets will be fragmented. Packets exceeding the
2346 byte setting will be fragmented before transmission.
DTIM interval-
(Delivery Traffic Indication Message) 3 is the default setting. A
DTIM is a countdown informing clients of the next window for
listening to broadcast and multicast messages.
Basic Rates-
Choose from1-2Mbps; 1,2,5.5,11 Mbps; or 1,2,5.5,11,22 Mbps
TX Rates-
Select the basic transfer rates based on the speed of the wireless adapters on the WLAN (wireless local area network);
choose from among the same ranges as those listed in the Basic
Rates,above.
31
Using the Configuration Menu
Advanced > Performance > 802.11b+ continued
Preamble Type-
select Short or Long Preamble. The Preamble Type defines
the length of the CRC (Cyclic Redundancy Check) block for
communication between the DI-754 and roaming wireless adapters. Make sure to select the appropriate preamble type and
click Apply. Note: High network traffic areas should use the
shorter preamble type. CRC is a common technique for detecting data transmission errors.
select Open system or Shared Key
Open System - the DI-754 will be visible to all devices on the network. This is
the default setting
Shared Key - in this mode, in order to access the DI-754 on the network, the
device must be listed in the MAC Address Control List
Authentication-
Apply-
click Apply to save changes
Tools> Admin
Administrator
Login Name-
admin is the default login name for the Admin account
User
Login Name-
user is the default login name for the User account
Admin Password-
the default setting is blank - no password. To change the password, enter and confirm the new password.
User Password-
the default setting is blank - no password. To change the password, enter and confirm the new password.
32
Using the Configuration Menu
Tools> Admin continued
Remote ManagementRemote Management allows the DI-754 to be configured from the Internet by a web
browser. A username and password is still required to access the Web-Management
interface. In general, only a member of your network can browse the built-in web
pages to perform “Administrator” tasks. This feature enables you to perform
“Administrator” tasks from the remote (Internet) host.
IP Address- Internet IP address of the computer that has access to the Router. It is
not recommended that you set the IP address to * (star), because this allows any
Internet IP address to access the Router, which could result in a loss of security for
your network. If you elect to enable Remote Management, make sure to enter the
IP Address of the remote computer allowed to configure the DI-754.
Port- For security purposes, select a separate port number used to access the
Router. (The following is an example only; you may use a different port number.)
Example: http://x.x.x.x:8080 where x.x.x.x is the WAN IP address of the Router
and 8080 is the port used for the Web-Management interface.
Tools > Time
Time settings-
in this window you can choose the time zone; set the time;
and enable or disable Daylight Savings Time.
Default
NTP Server-
NTP is short for Network Time Protocol. NTP synchronizes computer clock times in a network of computers.
This field is optional.
33
Using the Configuration Menu
Tools > System
System Settings
Save Settings to
Local Hard Drive-
click Save to save the current settings to the local Hard Drive
Load Settings from
Local Hard Drive- click Browse to find the settings, then click Load
Restore to Factory
click Restore to restore the factory default settings
Default Settings-
34
Using the Configuration Menu
Tools > Firmware
DI-754
Firmware Upgrade- click on the link in this screen to find out if there is an updated
firmware; if so, download the new firmware to your hard drive.
Browse-
after you have downloaded the new firmware, click Browse in
this window to locate the firmware update on your hard drive.
Click Apply to complete the firmware upgrade.
35
Using the Configuration Menu
Tools > Misc
Ping Test-
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
Restart Device-
click Reboot to restart the DI-754
Block WAN Ping-
if you choose to block WAN Ping, the WAN IP Address of the
DI-754 will not respond to pings. Blocking the Ping may provide
some extra security from hackers.
Discard Ping
from WAN sideVPN
Pass Through-
click Enabled to block the WAN ping
the DI-754 supports VPN (Virtual Private Network) pass-through
for both PPTP (Point-to-Point Tunneling Protocol) and IPSec
(IP Security). Once VPN pass-through is enabled, there is no
need to open up virtual services. Multiple VPN connections
can be made through the DI-754. This is useful when you have
many VPN clients on the LAN network.
PPTP- select Enabled or Disabled
IPSec- select Enabled or Disabled
Apply-
click Apply to save changes
36
Using the Configuration Menu
Status > Device Info
Device Information- This screen displays information about the DI-754
37
Using the Configuration Menu
Status > Log
DI-754
View Log-
this screen displays the activity on the DI-754
Log Settings-
for advanced features, click on Log Settings
38
Using the Configuration Menu
Status > Stats
DI-754
Traffic Statistics-
displays the receive and transmit packets that are passing
through the DI-754. Click on Refresh or Reset, for the most
recent information.
Status > Wireless
Connected
Wireless
Client List-
displays the wireless clients that are connected
to the Access Point function of the DI-754.
39
Using the Configuration Menu
Help
Help-
displays the complete Help menu. For help at anytime, click
the Help tab in the Configuration menu.
40

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