TRENDnet TW100-W1CA User Manual
TW100-W1CA
IP Sharing for
Cable Modem/xDSL
User Manual
M73-APO07-080
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 whi ch case the user may be required to take adequate measures.
All trademarks and brand names are the property of their respective proprietors.
Specifications are subject to change without prior notification.
TABLE OF CONTENT
INTROUCTION.......................................................................................................................................1
SAMPLE APPLICATION.....................................................................................................................1
FEATURES.............................................................................................................................................2
PARTS NAMES AND FUNCTIONS.......................................................................................................2
SYSTEM REQUIREMENTS...................................................................................................................4
FACTORY DEFAULT SETTINGS .......................................................................................................5
PASSWORD............................................................................................................................................5
LOCAL AND G LOBAL PORT ADDRESSES..........................................................................................5
INFORMATION FROM ISP...................................................................................................................5
CONFIGURATION.................................................................................................................................6
CONFIGURATION IN GUI....................................................................................................................6
How to start.....................................................................................................................................6
Management...................................................................................................................................7
Local Port........................................................................................................................................9
Global Port...................................................................................................................................10
Virtual Server...............................................................................................................................11
Packet Filters...............................................................................................................................12
CONFIGURATION IN TERMINAL PROGRAM MODE......................................................................15
How to start HyperTerminal......................................................................................................15
How to start Telnet......................................................................................................................16
Starting Configured....................................................................................................................17
TERMINAL COMMAND.....................................................................................................................18
PASSWD...............................................................................................................................................18
SHOW...................................................................................................................................................19
SET.......................................................................................................................................................20
VSERV ...................................................................................................................................................21
RELEASE..............................................................................................................................................22
RENEW................................................................................................................................................23
USER.....................................................................................................................................................23
PING.....................................................................................................................................................24
SESSION................................................................................................................................................24
FILTER.................................................................................................................................................25
MAC address filter:......................................................................................................................25
IP address filter :..........................................................................................................................26
Port Filter......................................................................................................................................27
FIRMWARE UPGRADE......................................................................................................................28
SYSTEM REQUIREMENTS.................................................................................................................28
BEFORE UPGRADE.............................................................................................................................28
PERFORMING FIRMWARE UPGRADE..............................................................................................28
CHANGING PASSWORD..................................................................................................................31
FOR GUI..............................................................................................................................................31
FOR TERMINAL..................................................................................................................................31
FORGET YOUR PASSWORD? ............................................................................................................. 32
PPP OVER ETHERNET (PPPOE)......................................................................................................33
WHAT IS PPPOE? ..............................................................................................................................33
HOW CAN I KNOW I AM USING PPPOE?.........................................................................................33
CHECKING PPPOE CONNECTIONS .................................................................................................. 33
1.For GUI Setup program...........................................................................................................33
2. Checking PPPoE status through terminal.........................................................................33
FAQ.........................................................................................................................................................34
FACTORY RESET ...............................................................................................................................34
IP ADDRESS CONFLICT......................................................................................................................35
MY INT ERNET APPLICATION WON'T WORK............................................................................... 35
CAN NOT ACCESS THE INTERNET..................................................................................................38
DIAGNOSIS..........................................................................................................................................40
TCP/IP Network Diagnosis........................................................................................................40
ISP Connectivity Checkup.........................................................................................................42
Internet Connectivity Checkup.................................................................................................42
G ETTING TECHNICAL SUPPORT ....................................................................................................43
APPENDIX A SPECIFICATIONS .....................................................................................................44
APPENDIX B SUPPORTED INTERNET APPLICATIONS .........................................................45
Single IP Address
Cable / XDSL Modem
Small Office / Home Users
ISP
Internet
INTROUCTION
IP Share device is designed for IP address simplification and conservation, as it enables
private IP Internet works that use non-registered IP addresses to connect to the Internet. It
usually connects two networks together, and translates the private (not globally unique)
addresses in the internal network into single legal address before packets are forwarded onto
another network. Therefore, only one IP address is needed for the entire network to the
outside world. This provides additional security, effectively hiding the entire internal network
from the world behind that address.
Sample Application
Cable / XDSL Modem
10Mbps
Ethernet
Figure 1: Small Office/ Home Office Set up
IP Sharing for
10/100Mbps
Ethernet
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1234567
Console
c
d
Features
?? Supports PPPoE.
?? Supports VPN.(PPTP pass through).
?? Explicit LED indication for Internet connection.
?? Supports Internet applications such as Web, ICQ, FTP, Telnet, E-Mail, News,
NetMeeting, PCAnyWhere, mIRC , CuSeeMe, AoE,…
?? Natural firewall keeps hackers out.
?? DHCP server allocates up to 128 client IP addresses.
?? DHCP client gets global IP address automatically.
?? 10/100Mbps dual speed auto-sensing for flexible network connectivity.
?? Virtual server.
?? Rich packet filters.
?? Static routing.
?? Supports Proxy-DNS.
?? Easy to setup by Windows GUI program and Telnet through network, or
HyperTerminal through Console.
?? Flash memory for firmware upgrade.
Parts Names and Functions
LED Indicators on the Front Panel Ports on the Rear Panel
VDC IN
Figure 2: LED Indicators and Ports
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a b
Global Local
?
?
Connects to Ethernet port on Cable Modem or DSL Modem for Internet
LED Color Status
Indicator
?
Power Green Power On Power Off N/A.
?
Local Link Green Connected to a LAN
Glowing Dim Flashing
Disconnected from
device
any LAN device
Receiving/
Sending data
Local
Green 100Mbps detected 10Mbps detected N/A.
100/10
?
Local
Green Full duplex Half duplex N/A.
Full/Half
?
Global
Link
Green Connected to a
Cable/DSL Modem
Disconnected from
any Cable/DSL
modem
(blank) Green Internet connected1 Internet disconnected N/A
?
Error Red Components
N/A. N/A.
malfunctioning
Table 1: LED Indicators
Port Name Functions
a VDC IN Connects the power adapter plug.
b Console Connects an RS-232 serial cable to your computer for
?? Configuring from terminal programs
?? Firmware upgrade.
c Global
Access.
d Local Connects to the Ethernet Hub/Switch on LAN.
Table 2: Connections Ports
Receiving/
Sending data
1
For Cable modem connection, it means the device has received an IP address from the ISP.
For DSL modem connection, it means PPPoE connection has been established.
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System Requirements
Your system must meet the following requirements to use the product’s Setup program. If you
are using a Unix or apple based system, telnet should be used to configure the product.
This product's GUI setup interface requires
1. Windows 95, 98, ME, NT or 2000.
2. IE4.01 or above well-installed.
Telnet and Terminal setup are operating system independent.
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FACTORY DEFAULT SETTINGS
Password
The default setting for password has been left blank in the factory. Press Enter then you are
logged in for the first time. It is recommended that you set a password for security and
management purpose.
If you ever forget the password to log in, you can only reset the factory setting. Refer to the
next section titled “Factory Reset ” for details.
Local and Global Port Addresses
The LAN parameters of the product are pre-set in the factory. The default values are shown
below.
Local Port Global Port
IP ad dress 192.168.1.254
Subnet Mask 255.255.255.0
DHCP server function Enabled
IP ADDRESSES FOR
DISTRIBUTION TO PCS
128 IP addresses continuing from 192.168.1.1through
192.168.1.128
Table 3: Local and Global Port Addresses
DHCP client function is
enabled to automatically
get the Global port
configuration from ISP.
Information from ISP
If your IP address is provided dynamically by your ISP (Internet Service Provider), skip this
step. If you have a static address from your ISP, gather the information as illustrated in the
following table and keep it for reference.
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
Table 4: Assigned Addresses
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CONFIGURATION
The product can be configured through the setup program (included in the package), through
a terminal emulation program, such as Windows HyperTerminal, or through Telnet. The
product can be set with a range of options to allow it to function in most any network
environment.
Configuration in GUI
How to start
1. For the first time installation, in Windows, run setup.exe at the root directory.
Figure 3
2. When the setup program is installed, go to Start? Programs? IP Share Setup.
Figure 4
3. When the opening screen appears, click Find to find the device you want to configure.
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Figure 5
Select the device that you would like to setup and then click Configure.
Figure 6
The configure dialog box is categorized into several tabs as shown in the following.
Management
Figure 7
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Firmware Version: Read-only.
Device/Computer Name: For you to enter a descriptive name for identification purpose. Some
Internet Service Providers (ISP) requires this information. The Maximum input for this field is
20 alphanumeric characters and it is case sensitive.
Domain Name2:
For example: yourcompany.com. The maximum input for this field is 32 alphanumeric
characters and it is case insensitive.
PPPoE Enabled: If you are using PPPoE service, please check this box and enter the username
and password provided by your ISP.
PPPoE functions
?? Single Account Sharing: Multiple users can share one account.
?? Automatically connected to the Internet: Just launch your Internet program and the unit
will login and get on-line automatically.
?? Automatically disconnected from the Internet: This device will disconnect automatically
when it has been idle for a certain period of time.
Username: (for PPPoE )
?? Maximum input is 52 alphanumeric characters (case sensitive).
Password: (for PPPoE)
?? Maximum input is 36 alphanumeric characters (case sensitive).
Auto-disconnect…: This device can be configured to auto-disconnect when there is no
activity on the line for a certain period of time.
?? Default: 5 minutes. You can input any number from 0 to 65535.
?? To keep the line always connected, please set the number to 0.
Change Administrator Password : In this dialog box, you can set administrator’s password.
?? Maximum: 6 alphanumeric characters (case sensitive).
2
Your ISP may ask you to input a certain domain name. Domain name is also required for internal
network’s email and news functions.
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TELNET management…: Checking this item lets you manage this device remotely from
outside of the network through Telnet.
?? Default: disabled.
Local Port
This screen contains settings for LAN interface attached to the local network.
Figure 8
IP Address
?? Default: 192.168.1.254
SubNetmask
?? Default: 255.255.255.0
?Do not distribute IP address to local computers3
Checking this radio button to disable this IP Sharing device to distribute IP Addresses.
?Distribute IP addresses to local computers
Checking this radio button to enable this IP Sharing devic e to distribute IP Addresses. And
the following field will be activated for you to enter the starting IP Address:
3
If you check this selection, please specify unique static IP address for each of your local computers.
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Continuous IP address pool starts at
The starting address of this local IP network address pool. The pool is a piece of continous IP
address segment.
Number of IP address in pool
?? Maximum: 128. Default: 128
Global Port
This screen contains settings for the Global interface toward Internet.
Figure 9
Adapter Address: Read-only. It is necessary for some ISP to identify this device by its MAC
address.
Obtain global port configuration automatically: If it is checked, the Global port IP address is
obtained through DHCP protocol after the device boots up. The address may vary each time
the device restarts.
Set static global port configuration: Check this item if your ISP provides you with a fixed IP
address.
IP address: Provided by your ISP.
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SubNetmask4: Provided by our ISP.
Gateway/DNS server #1/DNS server #2: These values will be automatically provided once
you clic k “Obtain global port configuration automatically”. You can change the values if
necessary.
Virtual Server
Being a natural Internet firewall, this IP Sharing device protects your network from being
accessed by outside users. When there is application that requires outside users to access
internal servers (e.g. Web Server, Ftp Server, e-mail Server or News Server), this device can act
as a virtual server to public services. You can set up a local server with specific port number
which stands for the service (e.g. web(80), FTP(21), Telnet(23)). When this device receives an
incoming access request for this specific port, it will be forwarded to the corresponding
internal server.
Figure 10
Single Port/Port Range: For selecting between a specific port and a range of ports which you
want the Internet users to be able to access. The valid port number ranges from 0 to 65535.
Browse: If DHCP function is enabled, the distributed IP Addresses will appear on the screen.
You can select the desired IP address (for the specified port) and add it to the server list.
4
If you checked PPPoE in Management tab (see the Management section), the “Obtain global port
configuration automatically” and the “Set static global port configuration” fields are grayed out and
will not accept any input.
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