D-Link DI-701 iShare Quick start guide

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D-Link DI-701
Residential Gateway
Technical Guide

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FCC Certifications
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Shielded interface cables must be used in order to comply with emission limits.
You are cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void your authority to operate the equipment.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) This device must
accept any interference received, including interference that may cause undesired operation.
CE Mark Warning
This is a Class B product. In a domestic environment, this product may cause radio interference, in which
case the user may be required to take adequate measures.
VCCI Warning

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LIMITED WARRANTY
D-Link Systems, Inc. (“D-Link”) provides this limited warranty for its product only to the person or entity
who originally purchased the product from D-Link or its authorized reseller or distributor.
Limited Hardware Warranty: D-Link warrants that the hardware portion of the
D-Link products described below (“Hardware”) will be free from material defects in
workmanship and materials from the date of original retail purchase of the
Hardware, for the period set forth below applicable to the product type (“Warranty
Period”) if the Hardware is used and serviced in accordance with applicable
documentation.
Product Type Warranty
Period
Product (excluding power supplies and
fans), if purchased and delivered in the
fifty (50) United States, or the District of
Columbia (“USA”)
As long as the
original
purchaser still
owns the product
Product purchased or delivered outside
the USA One (1) Year
Power Supplies and Fans One (1) Year
Spare parts and spare kits Ninety (90) days
D-Link’s sole obligation shall be to repair or replace the defective Hardware at no charge to the original
owner. Such repair or replacement will be rendered by D-Link at an Authorized D-Link Service Office.
The replacement Hardware need not be new or of an identical make, model or part; D-Link may in its
discretion may replace the defective Hardware (or any part thereof) with any reconditioned product
that D-Link reasonably determines is substantially equivalent (or superior) in all material respects to
the defective Hardware. The Warranty Period shall extend for an additional ninety (90) days after any
repaired or replaced Hardware is delivered. If a material defect is incapable of correction, or if D-Link
determines in its sole discretion that it is not practical to repair or replace the defective Hardware, the
price paid by the original purchaser for the defective Hardware will be refunded by D-Link upon return
to D-Link of the defective Hardware. All Hardware (or part thereof) that is replaced by D-Link, or for
which the purchase price is refunded, shall become the property of D-Link upon replacement or refund.
Limited Software Warranty: D-Link warrants that the software portion of the product (“Software”) will
substantially conform to D-Link’s then current functional specifications for the Software, as set forth

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in the applicable documentation, from the date of original delivery of the Software for a period of
ninety (90) days (“Warranty Period”), if the Software is properly installed on approved hardware and
operated as contemplated in its documentation. D-Link further warrants that, during the Warranty
Period, the magnetic media on which D-Link delivers the Software will be free of physical defects.
D-Link’s sole obligation shall be to replace the non-conforming Software (or defective media) with
software that substantially conforms to D-Link’s functional specifications for the Software. Except as
otherwise agreed by D-Link in writing, the replacement Software is provided only to the original
licensee, and is subject to the terms and conditions of the license granted by D-Link for the Software.
The Warranty Period shall extend for an additional ninety (90) days after any replacement Software is
delivered. If a material non-conformance is incapable of correction, or if D-Link determines in its sole
discretion that it is not practical to replace the non-conforming Software, the price paid by the original
licensee for the non-conforming Software will be refunded by D-Link; provided that the non-
conforming Software (and all copies thereof) is first returned to D-Link. The license granted
respecting any Software for which a refund is given automatically terminates.
What You Must Do For Warranty Service:
Submitting A Claim. Any claim under this limited warranty must be submitted in writing before the end of
the Warranty Period to an Authorized D-Link Service Office. The claim must include a written
description of the Hardware defect or Software nonconformance in sufficient detail to allow D-Link to
confirm the same. The original product owner must obtain a Return Material Authorization (RMA)
number from the Authorized D-Link Service Office and, if requested, provide written proof of purchase
of the product (such as a copy of the dated purchase invoice for the product) before the warranty
service is provided. After an RMA number is issued, the defective product must be packaged securely in
the original or other suitable shipping package to ensure that it will not be damaged in transit, and the
RMA number must be prominently marked on the outside of the package. The packaged product shall
be insured and shipped to D-Link, 17595 Mt. Herrmann, Fountain Valley, CA 92708, with all shipping costs
prepaid. D-Link may reject or return any product that is not packaged and shipped in strict
compliance with the foregoing requirements, or for which an RMA number is not visible from the
outside of the package. The product owner agrees to pay D-Link’s reasonable handling and return
shipping charges for any product that is not packaged and shipped in accordance with the foregoing
requirements, or that is determined by D-Link not to be defective or non-conforming.
What Is Not Covered:
This limited warranty provided by D-Link does not cover:

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Products that have been subjected to abuse, accident, alteration, modification, tampering, negligence, misuse,
faulty installation, lack of reasonable care, repair or service in any way that is not contemplated in the
documentation for the product, or if the model or serial number has been altered, tampered with,
defaced or removed;
Initial installation, installation and removal of the product for repair, and shipping costs;
Operational adjustments covered in the operating manual for the product, and normal maintenance;
Damage that occurs in shipment, due to act of God, failures due to power surge, and cosmetic damage; and
Any hardware, software, firmware or other products or services provided by anyone other than D-Link.
Disclaimer of Other Warranties: EXCEPT FOR THE LIMITED WARRANTY SPECIFIED HEREIN, THE
PRODUCT IS PROVIDED “AS-IS”WITHOUT ANY WARRANTY OF ANY KIND INCLUDING,
WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NON-INFRINGEMENT. IF ANY IMPLIED WARRANTY
CANNOT BE DISCLAIMED IN ANY TERRITORY WHERE A PRODUCT IS SOLD, THE
DURATION OF SUCH IMPLIED WARRANTY SHALL BE LIMITED TO NINETY (90) DAYS.
EXCEPT AS EXPRESSLY COVERED UNDER THE LIMITED WARRANTY PROVIDED HEREIN,
THE ENTIRE RISK AS TO THE QUALITY, SELECTION AND PERFORMANCE OF THE
PRODUCT IS WITH THE PURCHASER OF THE PRODUCT.
Limitation of Liability: TO THE MAXIMUM EXTENT PERMITTED BY LAW, D-LINK IS NOT
LIABLE UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL OR
EQUITABLE THEORY FOR ANY LOSS OF USE OF THE PRODUCT, INCONVENIENCE OR
DAMAGES OF ANY CHARACTER, WHETHER DIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL (INCLUDING, BUT NOT LIMITED TO, DAMAGES FOR LOSS OF GOODWILL,
WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, LOSS OF INFORMATION OR
DATA CONTAINED IN, STORED ON, OR INTEGRATED WITH ANY PRODUCT RETURNED
TO D-LINK FOR WARRANTY SERVICE) RESULTING FROM THE USE OF THE PRODUCT,
RELATING TO WARRANTY SERVICE, OR ARISING OUT OF ANY BREACH OF THIS LIMITED
WARRANTY, EVEN IF D-LINK HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
THE SOLE REMEDY FOR A BREACH OF THE FOREGOING LIMITED WARRANTY IS REPAIR,
REPLACEMENT OR REFUND OF THE DEFECTIVE OR NON-CONFORMING PRODUCT.
GOVERNING LAW:This Limited Warranty shall be governed by the laws of the state of California.
Some states do not allow exclusion or limitation of incidental or consequential damages, or limitations on
how long an implied warranty lasts, so the foregoing limitations and exclusions may not apply. This
limited warranty provides specific legal rights and the product owner may also have other rights which
vary from state to state.

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TABLE OF CONTENTS
INTRODUCTION....................................................................................................................................8
SAMPLE APPLICATION...................................................................................................................10
HARDWARE........................................................................................................................................11
HARDWARE CONNECTIONS.............................................................................................................12
SYSTEM ENVIRONMENT..............................................................................................................13
SOFTWARE REQUIREMENTS...........................................................................................................13
FACTORY DEFAULT SETTINGS......................................................................................................13
INFORMATION FROM ISP.................................................................................................................14
CONFIGURATION SETTINGS..........................................................................................................15
BEFORE GETTING STARTED...........................................................................................................15
CONFIGURING YOUR COMPUTER...................................................................................................15
CONFIGURING IN GUI MODE...........................................................................................................17
Getting Started (GUI) .................................................................................................................17
Global Port Settings....................................................................................................................18
Modifying Local Port Settings..................................................................................................18
Management.................................................................................................................................20
Virtual Server...............................................................................................................................20
CHANGING PASSWORDS ...............................................................................................................22
CONFIGURATION IN TERMINAL PROGRAM MODE VIA HYPERTERMINAL OR
TELNET ..................................................................................................................................................24
Getting Started (Hyperterminal)..............................................................................................24
Getting Started (Telnet).............................................................................................................25
Static Global Port Setting (TP) ................................................................................................26
Modifying Local Port Setting (TP)...........................................................................................26
TROUBLESHOOTING........................................................................................................................28
PARTS NAMES AND FUNCTIONS.....................................................................................................28

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TCP/IP NETWORK DIAGNOSIS........................................................................................................33
WINIPCFG.....................................................................................................................................33
PING.EXE......................................................................................................................................34
Cable Connectivity Checkup....................................................................................................34
Device Alive Checkup.................................................................................................................34
ISP Connectivity Checkup.........................................................................................................35
Internet Connectivity Checkup.................................................................................................35
TERMINAL COMMANDS..................................................................................................................37
PASSWD...............................................................................................................................................37
SHOW...................................................................................................................................................38
SET.......................................................................................................................................................38
VSERV...................................................................................................................................................40
RELEASE..............................................................................................................................................41
RENEW................................................................................................................................................41
USER.....................................................................................................................................................42
SESSION................................................................................................................................................43
SUPER ADMIN ACCESS.....................................................................................................................45
USRLIMIT............................................................................................................................................45
RESETTING THE BIOS......................................................................................................................47
FIRMWARE UPGRADE......................................................................................................................48
SYSTEM REQUIREMENTS.................................................................................................................48
INDEX..................................................................................................................................................50

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INTRODUCTION
Thank you for your purchase of the D-Link DI-701 Residential Gateway. Its main features
include:
•Acts as a Firewall
•Protects your Computers from Intruders
•Share your Cable/DSL Modem
•Works with any Ethernet Connection
•Supports up to 32 Computers
The DI-701 functions as an IEEE 802.3 Ethernet-based Residential Gateway. It provides one
10/100 Dual Speed Ethernet port for connection to a home or small office network and one
10Mb Ethernet port for a DSL Modem, Cable Modem, or other Broadband access device.
The D-Link DI-701 provides the safety and security of both port blocking and a natural firewall
as well as integrated NAT support that allows up to 32 users to share a single Internet
Connection. Static address support, integrated client/server DHCP, and device name support
will allow the D-Link Residential Gateway to connect to nearly any Broadband provider, and at
the same time simplify local area network settings.
The DI-701 has one local 10/100 Dual Speed Ethernet port and one 10Mb Ethernet global port.
The local port can be connected directly to a single computer to provide added security from
hackers and others on the Internet or it can be connected to an Ethernet or Fast Ethernet hub
or switch to provide Internet Sharing and Firewall protection to a local area network. The
global port can be connected to any Cable, DSL, or Broadband modem with an Ethernet port.
The DI-701 provides two levels of security support. First, it masks local users’IP addresses
from others on the Internet making it much more difficult for a hacker to target a machine on
your network. Secondly it can block and redirect certain ports to limit the services that
outside users can access. The user, to ensure that games and other Internet applications will
run properly, can open specific ports.
Unlike proxy server or NAT software that requires the software server to remain visible on the
Internet, no local computers are directly externally visible when using the DI-701. Also the DI-
701, like broadband, is always on, removing the need to constantly boot a software server
when access is desired from a client. No client software is required to connect to the DI-701
so it will support any operating system that can connect to a network whether PC or Apple
based*.
Integrated DHCP services allow up to 128 users to get their IP address automatically on boot
up from the DI-701. Client machines require no software, simply set them to accept a
dynamically assigned IP address and reboot. Each time they are powered up the DI-701 will
recognize them and set their IP address to instantly connect them to the LAN.

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For advanced users Virtual Service support allows the DI-701 to provide limited visibility to
local machines and their services as dictated by the user. An ISP provided IP address can be
set to the DI-701 and then specific services can be rerouted to specific computers on the local
network. For instance, a dedicated web server can be connected to the Internet via the DI-701
and then incoming requests for HTML that are received by the DI-701 can be rerouted to the
original server, even though the server now has a different IP address. In this example, the DI-
701 is on the Internet and vulnerable to attacks, but the server is protected.
Virtual Service can also be used to re-task services to multiple servers. For instance, the DI-
701 can be set to allow separate FTP, Web, and Multiplayer game servers to share the same
Internet-visible IP address while still protecting the servers and local users from hackers.
* The DI-701’s GUI setup interface requires Windows 95, 98, NT or 2000. Telnet and Terminal
setup are operating system independent.
Technical Specifications:
Protocols IP, NAT, ARP, ICMP, DHCP
Management/Setup Locally via direct serial cable connection through Console port
Options Locally via GUI for Windows 95/98/NT
Remotely via Telnet
Local Port RJ-45, 10/100 Dual Speed Ethernet (MIX)
Global PortRJ-45, 10Mb Ethernet to an external Cable/DSL Modem (MIX)
Console Port DB-9 female connector
LED Indicators Power, Local Link, Local Speed 10/100, Local Full/Half Duplex,
Internet Link, Error
Input Power 5V DC @2.0A
Physical Dimensions 16 cm x 10.4 cm x 2.8 cm

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SAMPLE APPLICATION
Figure 1: Small Office/ Home Office Setup

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Hardware
Table 1: Essential Hardware
Item Included in
Standard package
Description Purpose
UTP Ethernet
cross-over cable Connects from local port of DI-701 to Ethernet Port on PC or Uplink port on
Hub/Switch
Power adapter Connects from DI-701 to power source
DI-701 Main Unit
CD Contains Quick Starter Guide and Setup
Software
2 Manuals Quick Starter Guide and Detailed DI-701
Technical Manual
Possible Additional
Items
(Not Included or
Required)
Description Connections
From To
CAT3 or CAT5
UTP Ethernet
straight cable
Local Port HUB or Switch

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RS-232 cable
(For terminal
program
configuration only)
Console Port COM port
A well-installed WAN environment (Cable Modem or ADSL
Modem)
HUB A well-installed LAN environment
Hardware Connections
Figure 2: Hardware Connections
1. Make sure your DI-701 is installed and connected properly. Use a UTP Ethernet cross-
over cable1to connect the DSL/Cable Modem to the Global port. See Figure 2.

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2. Use a CAT3 or CAT5 UTP Ethernet straight cable to connect the Local port to a free port
on your hub or switchOR Use a CAT 3 or CAT5 Cross-Over cable to connect directly to
a PC.
3. Connect the Power Adapter to the VDC IN port on the DI-701 and into a wall outlet.
4. Use an RS-232 cable to connect from a Serial port on the administrator computer to the
Console port on the DI-701. (Optional - for terminal program configuration only.)
SYSTEM ENVIRONMENT
Your system must meet the following requirements to use the DI-701 Setup Program. IF you
are using a Unix or Apple based system, telnet should be used to configure the DI-701:
Software Requirements
1. Microsoft Windows 95/98/NT installed.
2. Windows Graphic User Interface (GUI) setup program (provided) to configure through
Local Port; Or
Use a terminal emulation program such as Windows HyperTerminal to configure through
the Console Port.
Gather and write down the following information before beginning:
Factory Default Settings
The LAN parameters of the DI-701 are pre-set in the factory. The default values are shown in
Table 2: Local and Global Port Addresses.
Table 2: Local and Global Port Addresses
Local Port Global Port
IP address 192.168.0.1
Subnet Mask 255.255.255.0
DHCP server function Enabled
IP addresses for
distribution to PCs 32 IP addresses continuing from 192.168.0.2 through
192.168.0.33
DHCP client function is
enabled to
automatically get the
Global port
configuration from ISP.

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Information from ISP
If your IP address is provideddynamically by your ISP (Internet Service Provider), skip this
step. If you have a static address from your ISP, gather the information shown inTable 3:
Assigned Addresses and keep it for reference.
Table 3: Assigned Addresses
IP address
ISP-assigning IP address Ex. 203.66.81.201
Subnet mask Ex. 255.255.255.0
Gateway Ex. 203.66.81.254
DNS server #1 Ex. 203.66.81.251
DNS server #2 Ex. 203.66.81.252

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CONFIGURATION SETTINGS
Before Getting Started
The DI-701 can be configured through the setup program provided, through a terminal
emulation program, such as Windows HyperTerminal, or through Telnet. The DI-701 can be
set with a range of options to allow it to function in most any network environment.
The following sections cover a number of possible configuration settings. The key thing is to
apply the instructions below to your desired configuration. Start by configuring a computer
to access the DI-701. This setup relies on the factory defaults set in the unit.
Configuring Your Computer
1. Start Windows 98.
2. Go to the Start menu. Point toSettings. Click Control Panel.
3. Double-click Network.
4. Select the binding of TCP/IP and your Ethernet adapter. Click the Property button.
5. Check ”Obtain IP address automatically”. Click OK.
Figure 3: TCP/IP Properties
6. Windows will then prompt you to restart your computer, do so.

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Configuring in GUI Mode
This section describes how to configure the DI-701 using the DI-701 Setup Software.
Getting Started (GUI)
1. Insert the included setup CD into your CD-ROM drive.
2. The CD will auto run, click on the “Install DI-701 Setup Software”icon.
3. Once the Setup Software has been installed, go to StartàProgramsàD-Link DI-701.
4. When the following dialog box appears, click Find.
Figure 4: DI-701 Setup Program
5. The setup program finds the DI-701. It will only find the DI-701 if (1) it is powered up and
(2) the Gateway for your computer is set to the IP address of the DI-701, and (3) the DI-
701 has completed its boot up process (30-60 seconds). Anytime changes are made to the
DI-701 and “Save”is pressed it will reboot, you must either reboot your client or renew its
IP address before finding the DI-701 if the DI-701 is set to pass out IP addresses to its
client computers.
6. Once the DI-701 is found, press“Configure”. The password dialog box may prompt you
to enter a password. The factory default is an empty password. Just leave the password
space blank. If you change the password please write it down somewhere safe.
7. See the following sections for descriptions of the various settings.

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Global Port Settings
The Global Port settings are used to configure the port connected to your Cable/DSL modem.
These should mirror the settings provided by your ISP.
If your ISP provides a static IP address for your Internet connection, then select the “Set
static global port configuration”radio button. You will need to fill in each field with
appropriate information as provided by your ISP.
If your ISP provides a dynamic address, then select the “Obtain global port configuration
automatically”radio button. Please note that some ISPs require that a computer name be set
in Windows, if this is the case with your ISP then click the management tab and enter the
Computer name in the “Device/Computer name”field (see below, “Management”).
Figure 5: Global Port
Modifying Local Port Settings
Select the “Local Port”Tab. The IP address and Subnet Mask fields apply to the local port of
the DI-701. Please note that three first numbers of this address much match the first three
numbers of your local clients’IP addresses. Under normal use it is recommended you use the
factory default settings which are 192.168.0.1 and 255.255.255.0 respectively.
The “Distribute IP Addresses to Local Computers”radio button should be checked. This will
allow the DI-701 to pass out IP addresses to your local clients. Again it is recommended you

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use the factory defaults settings for the “Continuous IP address pool starts at”. This field
allows you to set the initial IP address that your clients will receive. For example, the first
client to access the DI-701 will receive 192.168.0.2 for its address.
“Number of IP addresses in pool”allows you to set the maximum number of clients you wish
to use the DI-701 as a DHCP server. This should be set to either the number of clients you
have or higher.
Figure 6: Local Port
ADVANCED NOTE ON LOCAL SETTINGS: If you are using the DI-701 on an existing LAN
that already has a DHCP server, you may wish to disable the DHCP services in the DI-701 by
selecting “Do not distribute IP addresses to local computers”. In this case, you will need to
configure the DI-701 with an address that can be accessed by the clients on your network.
The IP address of the DI-701’s local port will need to be set at each client as the client’s
gateway address. The DI-701 does not directly provide DNS information, so a separate DNS
server address on the network (or on the internet) must be provided to each client. This
would effectively allow a user to set up the DI-701 as a gateway. Any local traffic that is
bound for the Internet would be transmitted over the broadband connection.
A simple example would be a network with a Windows NT server that acts as both a DHCP
and Network server. For this example if the NT server has a local address of 192.168.0.1 and
passes out IP addresses in the range of 192.168.0.3 to 192.168.0.54, the DI-701 could be set
with a static address of 192.168.0.55 on its local port. The DI-701’s global port could be
connected to a DSL/Cable Modem and configured for the specific ISP. The NT server would
have to pass 192.168.0.55 to each client as the gateway address. A DNS server address would
have to be provided as well (perhaps a DNS server on the local network at 192.168.0.2). Is this

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example the gateway services would be offloaded to the DI-701.
Management
Select the Management tab to change the administrator password as shown inFigure 7.
If your ISP requires that a Computer name be used to gain access to the Internet, enter the
Computer name provided into the “Device/Computer Name”field.
Figure 7: Management
To change the password for the unit (highly recommended for security reasons) simply check
the “Change Password Box”and enter the new password into each of the two boxes. Press
“Save”when you are done.
Virtual Server
Select the Virtual Server tab to set the Virtual Server settings, see figure 8. Virtual Server will
allow you to open blocked ports in the DI-701 and reroute incoming traffic to specific
machines on your internal network.
Certain applications use ports that can be seen as a security threat. The Virtual Server menu
allows you to open these ports manually to allow a client computer to still access services that
would otherwise be blocked. Additionally this reroutes port calls from the Internet to a
specified client. This would allow individual FTP, Web, and other servers to be accessed
from the Internet using the IP address of the DI-701. At the same time, other ports would be
blocked protecting the servers from various attacks.
The setup is very simple, enter the port number and IP address in the provided fields and
press Add and then Save. If you are not sure of the local client’s IP address, use the browse
button to choose the computer by name. The DI-701 will reboot, you must reboot all client
machines (or renew their IP addresses). In figure 8 the example shown is opens port 80 for
one of the local machines. This would reroute any outside attempt to access a web page at
the DI-701’s IP address to the local client. For normal use, ports typically do not need to be
opened. Standard services are already recognized and allowed to pass by the DI-701. See the
troubleshooting section (“My Internet application won’t work”) for additional information on
opening ports.