TRENDnet TW100-BRV204 - VPN Firewall Router, TW100-BRV204 User Manual
TW100-BRV204
VPN Firewall Router
Cable/DSL Internet Access
4-Port Switching Hub
User's Guide
i
Table of Contents
CHAPTER 1 INTRODUCTION .............................................................................................1
TW100-BRV204 Features................................................................................................. 1
Package Contents ..............................................................................................................3
Physical Details.................................................................................................................. 4
CHAPTER 2 INSTALLATION............................................................................................... 6
Requirements..................................................................................................................... 6
Procedure ........................................................................................................................... 6
CHAPTER 3 SETUP ................................................................................................................8
Overview ............................................................................................................................ 8
Configuration Program ....................................................................................................9
Setup Wizard ................................................................................................................... 11
WAN Port Configuration Screen................................................................................... 14
LAN Screen......................................................................................................................17
CHAPTER 4 PC CONFIGURATION .................................................................................. 19
Overview ..........................................................................................................................19
Windows Clients.............................................................................................................. 19
Macintosh Clients............................................................................................................ 31
Linux Clients.................................................................................................................... 31
Other Unix Systems......................................................................................................... 31
CHAPTER 5 OPERATION AND STATUS ......................................................................... 32
Operation ......................................................................................................................... 32
Status Screen.................................................................................................................... 32
Connection Status - PPPoE ............................................................................................34
Connection Status - PPTP ..............................................................................................36
Connection Status - Telstra Big Pond............................................................................ 37
Connection Details - SingTel RAS ................................................................................. 38
Connection Details - Fixed/Dynamic IP Address ......................................................... 40
CHAPTER 6 INTERNET FEATURES ................................................................................ 42
Overview ..........................................................................................................................42
Advanced Internet Screen ..............................................................................................42
Dynamic DNS (Domain Name Server) .......................................................................... 47
Virtual Servers.................................................................................................................49
Options ............................................................................................................................. 51
CHAPTER 7 SECURITY CONFIGURATION................................................................... 52
Overview ..........................................................................................................................52
Admin Login .................................................................................................................... 52
Access Control ................................................................................................................. 54
Firewall Rules ..................................................................................................................57
Logs................................................................................................................................... 61
Security Options .............................................................................................................. 63
Scheduling ........................................................................................................................ 65
Services............................................................................................................................. 66
CHAPTER 8 VPN ...................................................................................................................68
Overview ..........................................................................................................................68
Common VPN Situations................................................................................................ 70
VPN Configuration ......................................................................................................... 72
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Examples .......................................................................................................................... 81
Using Certificates ............................................................................................................99
CHAPTER 9 OTHER FEATURES AND SETTINGS ...................................................... 104
Overview ........................................................................................................................104
Config File...................................................................................................................... 105
PC Database................................................................................................................... 106
Remote Administration................................................................................................. 110
Routing ........................................................................................................................... 111
Upgrade Firmware........................................................................................................ 115
UPNP .............................................................................................................................. 116
APPENDIX A TROUBLESHOOTING .............................................................................. 117
Overview ........................................................................................................................117
General Problems.......................................................................................................... 117
Internet Access............................................................................................................... 117
APPENDIX B SPECIFICATIONS...................................................................................... 119
TW100-BRV204 ............................................................................................................119
FCC Statement ..............................................................................................................119
CE Marking Warning................................................................................................... 120
P/N: 9560KZ0101
Copyright 2003. All Rights Reserved.
Document Version: 1.0
All trademarks and trade names are the properties of their respective owners.
1
Chapter 1
Introduction
This Chapter provides an overview of the TW100-BRV204's features and capabilities.
Congratulations on the purchase of your new TW100-BRV204. The TW100-BRV204 is a
multi-function device providing the following services:
•
Shared Broadband Internet Access for all LAN users.
•
4-Port Switching Hub for 10BaseT or 100BaseT connections.
Figure 1: TW100-BRV204
TW100-BRV204 Features
The TW100-BRV204 incorporates many advanced features, carefully designed to provide
sophisticated functions while being easy to use.
Internet Access Features
• Shared Internet Access. All users on the LAN or WLAN can access the Internet
through the TW100-BRV204, using only a single external IP Address. The local (invalid)
IP Addresses are hidden from external sources. This process is called NAT (Network Address Translation).
•
DSL & Cable Modem Support. The TW100-BRV204 has a 10/100BaseT Ethernet
port for connecting a DSL or Cable Modem. All popular DSL and Cable Modems are supported. SingTel RAS and Big Pond (Australia) login support is also included.
•
PPPoE, PPTP, SingTel RAS and Telstra Big Pond Support. The Internet (WAN
port) connection supports PPPoE (PPP over Ethernet), PPTP (Peer-to-Peer Tunneling Protocol), SingTel RAS and Telstra Big Pond (Australia), as well as "Direct Connection" type
services.
•
Fixed or Dynamic IP Address. On the Internet (WAN port) connection, the TW100-
BRV204 supports both Dynamic IP Address (IP Address is allocated on connection) and
Fixed IP Address.
1
TW100-BRV204
TW100-BRV204 User Guide
2
Advanced Internet Functions
• Communication Applications. Support for Internet communication applications, such
as interactive Games, Telephony, and Conferencing applications, which are often difficult
to use when behind a Firewall, is included.
•
Special Internet Applications. Applications which use non-standard connections or
port numbers are normally blocked by the Firewall. The ability to define and allow such
applications is provided, to enable such applications to be used normally.
•
Virtual Servers. This feature allows Internet users to access Internet servers on your
LAN. The required setup is quick and easy.
•
DMZ. One (1) PC on your local LAN can be configured to allow unrestricted 2-way
communication with Servers or individual users on the Internet. This provides the ability
to run programs which are incompatible with Firewalls.
•
URL Filter. Use the URL Filter to block access to undesirable Web sites by LAN users.
•
Internet Access Log. See which Internet connections have been made.
•
VPN Pass through Support. PCs with VPN (Virtual Private Networking) software
using PPTP, L2TP and IPSec are transparently supported - no configuration is required.
LAN Features
• 4-Port Switching Hub. The TW100-BRV204 incorporates a 4-port 10/100BaseT
switching hub, making it easy to create or extend your LAN.
•
DHCP Server Support. Dynamic Host Configuration Protocol provides a dynamic IP
address to PCs and other devices upon request. The TW100-BRV204 can act as a DHCP
Server for devices on your local LAN and WLAN.
•
Multi Segment LAN Support. LANs containing one or more segments are supported,
via the TW100-BRV204 's RIP (Routing Information Protocol) support and built-in static
routing table.
Configuration & Management
• Easy Setup. Use your WEB browser from anywhere on the LAN or WLAN for configu-
ration.
•
Remote Management. The TW100-BRV204 can be managed from any PC on your
LAN. And, if the Internet connection exists, it can also (optionally) be configured via the
Internet.
•
UPnP Support. UPnP (Universal Plug and Play) allows automatic discovery and con-
figuration of the TW100-BRV204. UPnP is by supported by Windows ME, XP, or later.
Security Features
• Password - protected Configuration. Optional password protection is provided to
prevent unauthorized users from modifying the configuration data and settings.
•
NAT Protection. An intrinsic side effect of NAT (Network Address Translation) tech-
nology is that by allowing all LAN users to share a single IP address, the location and
even the existence of each PC is hidden. From the external viewpoint, there is no network,
only a single device - the TW100-BRV204.
•
Stateful Inspection Firewall. All incoming data packets are monitored and all incom-
ing server requests are filtered, thus protecting your network from malicious attacks from
external sources.
Introduction
3
•
Protection against DoS attacks. DoS (Denial of Service) attacks can flood your
Internet connection with invalid packets and connection requests, using so much bandwidth and so many resources that Internet access becomes unavailable. The TW100BRV204 incorporates protection against DoS attacks.
•
Rule-based Policy Firewall. To provide additional protection against malicious pack-
ets, you can define your own firewall rules. This can also be used to control the Internet
services available to LAN users.
VPN Gateway Features
• IPSec.. Support for IPSec standards, including IKE and certificates.
•
5 Tunnels. Up to 5 VPN tunnels can be created.
•
High performance. High performance encryption engine maintains high throughput
even when using 3DES.
Package Contents
The following items should be included:
• The TW100-BRV204 Unit
• Power Adapter
• Quick Installation Guide
• CD-ROM containing the on-line manual.
If any of the above items are damaged or missing, please contact your dealer immediately.
TW100-BRV204 User Guide
4
Physical Details
Front-mounted LEDs
Figure 2: Front Panel
Power
(Green)
On - Power on.
Off - No power.
Status
(Red)
On - Error condition.
Off - Normal operation.
Blinking - This LED blinks during start up.
LAN
For each port, there are 2 LEDs
• Link/Act (Green)
• On - Corresponding LAN (hub) port is active.
• Off - No active connection on the corresponding LAN (hub) port.
• Flashing - Data is being transmitted or received via the corre-
sponding LAN (hub) port.
• 100 (Yellow)
• On - Corresponding LAN (hub) port is using 100BaseT.
• Off - Corresponding LAN (hub) port connection is using
10BaseT, or no active connection.
WAN
(Green)
On - Connection to the modem attached to the WAN (Internet) port is
established.
Flashing - Data is being transmitted or received via the WAN port.
Introduction
5
Rear Panel
Figure 3: Rear Panel
Reset Button
This button has two (2) functions:
• Reboot. When pressed and released, the TW100-BRV204 will
reboot (restart).
• Clear All Data. This button can also be used to clear ALL data
and restore ALL settings to the factory default values.
To Clear All Data and restore the factory default values:
1. Power Off.
2. Hold the Reset Button down while you Power On.
3. Keep holding the Reset Button down for five (5) seconds, until
the Red Status LED has flashed TWICE.
4. Release the Reset Button. The TW100-BRV204 is now using the
factory default values.
WAN port
(10/100BaseT)
Connect the DSL or Cable Modem here. If your modem came with a
cable, use the supplied cable. Otherwise, use a standard LAN cable.
10/100BaseT
LAN connections
Use standard LAN cables (RJ45 connectors) to connect your PCs to
these ports.
Note:
Any LAN port on the TW100-BRV204 will automatically function
as an "Uplink" port when required. Just connect any port to a normal
port on the other hub, using a standard LAN cable.
Power port
Connect the supplied power adapter here.
6
Chapter 2
Installation
This Chapter covers the physical installation of the TW100-BRV204.
Requirements
• Network cables. Use standard 10/100BaseT network (UTP) cables with RJ45 connectors.
• TCP/IP protocol must be installed on all PCs.
• For Internet Access, an Internet Access account with an ISP, and either of a DSL or Cable
modem (for WAN port usage)
Procedure
Figure 4: Installation Diagram
1. Choose an Installation Site
Select a suitable place on the network to install the TW100-BRV204.
Ensure the TW100-BRV204 and the DSL/Cable modem are powered OFF.
2. Connect LAN Cables
• Use standard LAN cables to connect PCs to the Switching Hub ports on the TW100BRV204. Both 10BaseT and 100BaseT connections can be used simultaneously.
• If required, you can connect any LAN port to another Hub. Any LAN port on the TW100BRV204 will automatically function as an "Uplink" port when required. Just connect any
LAN port to a normal port on the other hub, using a standard LAN cable.
2
Installation
7
3. Connect WAN Cable
Connect the DSL or Cable modem to the WAN port on the TW100-BRV204. Use the cable supplied with your DSL/Cable modem. If no cable was supplied, use a standard cable.
4. Power Up
• Power on the Cable or DSL modem.
• Connect the supplied power adapter to the TW100-BRV204 and power up.
Use only the power adapter provided. Using a different one may cause hardware damage
5. Check the LEDs
• The Power LED should be ON.
• The Status LED should flash, then turn Off. If it stays on, there is a hardware error.
• For each LAN (PC) connection, the LAN Link/Act LED should be ON (provided the PC is
also ON.)
• The WAN LED should be ON.
For more information, refer to Front-mounted LEDs in Chapter 1.
8
Chapter 3
Setup
This Chapter provides Setup details of the TW100-BRV204.
Overview
This chapter describes the setup procedure for:
• Internet Access
• LAN configuration
PCs on your local LAN may also require configuration. For details, see Chapter 4 - PC Configuration.
Other configuration may also be required, depending on which features and functions of the
TW100-BRV204 you wish to use. Use the table below to locate detailed instructions for the
required functions.
To Do this: Refer to:
Configure PCs on your LAN. Chapter 4:
PC Configuration
Check TW100-BRV204 operation and Status. Chapter 5:
Operation and Status
Use any of the following Internet features:
• Advanced Internet Setup (Special Applications,
DMZ, URL filter)
• Dynamic DNS
• Virtual Servers
• Options (Backup DNS, MTU)
Chapter 6:
Internet Features
Change any of the following Security-related settings:
• Admin Login
• Access Control
• Firewall Rules
• Logs
• Security Options (TFTP, Firewall)
• Scheduling (used by Access Control)
• Services
Chapter 7:
Security Configuration
Understand the VPN capabilities, and the configuration
required for common situations.
Chapter 8:
VPN
3
Setup
9
Configure or use any of the following:
• Config File backup/restore
• PC Database
• Remote Admin
• Routing (RIP and static Routing)
• Upgrade Firmware
• UPnP
Chapter 9:
Other Features and Settings
Where use of a certain feature requires that
PCs or other LAN devices be configured, this
is also explained in the relevant chapter.
Configuration Program
The TW100-BRV204 contains an HTTP server. This enables you to connect to it, and configure it, using your Web Browser. Your Browser must support JavaScript. The configuration
program has been tested on the following browsers:
• Netscape V4.08 or later
• Internet Explorer V4 or later
Preparation
Before attempting to configure the TW100-BRV204, please ensure that:
• Your PC can establish a physical connection to the TW100-BRV204. The PC and the
TW100-BRV204 must be directly connected (using the Hub ports on the TW100-BRV204)
or on the same LAN segment.
• The TW100-BRV204 must be installed and powered ON.
• If the TW100-BRV204 's default IP Address (192.168.0.1) is already used by another
device, the other device must be turned OFF until the TW100-BRV204 is allocated a new
IP Address during configuration.
Using UPnP
If your Windows system supports UPnP, an icon for the TW100-BRV204 will appear in the
system tray, notifying you that a new network device has been found, and offering to create a
new desktop shortcut to the newly-discovered device.
• Unless you intend to change the IP Address of the TW100-BRV204, you can accept the
desktop shortcut.
• Whether you accept the desktop shortcut or not, you can always find UPnP devices in My
Network Places (previously called Network Neighborhood).
• Double - click the icon for the TW100-BRV204 (either on the Desktop, or in My Network
Places) to start the configuration. Refer to the following section Setup Wizard for details
of the initial configuration process.
TW100-BRV204 User Guide
10
Using your Web Browser
To establish a connection from your PC to the TW100-BRV204:
1. After installing the TW100-BRV204 in your LAN, start your PC. If your PC is already
running, restart it.
2. Start your WEB browser.
3. In the Address box, enter "HTTP://" and the IP Address of the TW100-BRV204, as in this
example, which uses the TW100-BRV204 's default IP Address:
HTTP://192.168.0.1
If you can't connect
If the TW100-BRV204 does not respond, check the following:
• The TW100-BRV204 is properly installed, LAN connection is OK, and it is
powered ON. You can test the connection by using the "Ping" command:
• Open the MS-DOS window or command prompt window.
• Enter the command:
ping 192.168.0.1
If no response is received, either the connection is not working, or your
PC's IP address is not compatible with the TW100-BRV204 's IP Address.
(See next item.)
• If your PC is using a fixed IP Address, its IP Address must be within the range
192.168.0.2 to 192.168.0.254 to be compatible with the TW100-BRV204 's
default IP Address of 192.168.0.1. Also, the Network Mask must be set to
255.255.255.0. See Chapter 4 - PC Configuration for details on checking your
PC's TCP/IP settings.
• Ensure that your PC and the TW100-BRV204 are on the same network segment. (If you don't have a router, this must be the case.)
4. You will be prompted for a username and password, as shown below.
Figure 5: Password Dialog
• Enter admin for the User Name, and leave the Password blank.
• Both the name and password can (and should) be changed, using the Admin Login screen.
Setup
11
Setup Wizard
The first time you connect to the TW100-BRV204, the Setup Wizard will run automatically.
(The Setup Wizard will also run if the TW100-BRV204's default setting are restored.)
1. Step through the Wizard until finished.
• You need to know the type of Internet connection service used by your ISP. Check
the data supplied by your ISP.
• The common connection types are explained in the tables below.
2. On the final screen of the Wizard, run the test and check that an Internet connection can be
established.
3. If the connection test fails:
• Check your data, the Cable/DSL modem, and all connections.
• Check that you have entered all data correctly.
• If using a Cable modem, your ISP may have recorded the MAC (physical) address of
your PC. Run the Wizard, and on the Cable Modem screen, use the "Clone MAC address" button to copy the MAC address from your PC to the TW100-BRV204.
Common Connection Types
Cable Modems
Type Details ISP Data required
Dynamic
IP Address
Your IP Address is allocated
automatically, when you
connect to you ISP.
Usually, none.
However, some ISPs may
require you to use a particular
Hostname, Domain name, or
MAC (physical) address.
Static (Fixed)
IP Address
Your ISP allocates a permanent IP Address to you.
IP Address allocated to you,
mask and gateway (if provided),
and DNS address.
Some ISP's may also require
you to use a particular Hostname, Domain name, or MAC
(physical) address.
DSL Modems
Type Details ISP Data required
Dynamic
IP Address
Your IP Address is allocated
automatically, when you
connect to you ISP.
None.
Static (Fixed)
IP Address
Your ISP allocates a permanent IP Address to you.
IP Address allocated to you,
mask and gateway (if provided),
and DNS address.
PPPoE You connect to the ISP only
when required. The IP address
is usually allocated automatically.
User name and password.
TW100-BRV204 User Guide
12
PPTP Mainly used in Europe.
You connect to the ISP only
when required. The IP address
is usually allocated automatically, but may be Static
(Fixed).
• PPTP Server IP Address.
• User name and password.
• IP Address allocated to
you, if Static (Fixed).
Other Modems (e.g. Broadband Wireless)
Type Details ISP Data required
Dynamic
IP Address
Your IP Address is allocated
automatically, when you
connect to you ISP.
Usually, none.
However, some ISP's may
require you to use a particular
Hostname, Domain name, or
MAC (physical) address.
Static (Fixed)
IP Address
Your ISP allocates a permanent IP Address to you.
IP Address allocated to you,
mask and gateway (if provided),
and DNS address.
Big Pond Cable (Australia)
For this connection method, the following data is required:
• User Name
• Password
• Big Pond Server IP address
SingTel RAS
For this connection method, the following data is required:
• User Name
• Password
• RAS Plan
Setup
13
Home Screen
After finishing or exiting the Setup Wizard, you will see the Home screen. When you connect
in future, you will see this screen when you connect. An example screen is shown below.
Figure 6: Home Screen
Navigation & Data Input
• Use the menu bar on the top of the screen, and the "Back" button on your Browser, for
navigation.
• Changing to another screen without clicking "Save" does NOT save any changes you may
have made. You must "Save" before changing screens or your data will be ignored.
On each screen, clicking the "Help" button will
display help for that screen.
From any help screen, you can access the list of all
help files (help index).
TW100-BRV204 User Guide
14
WAN Port Configuration Screen
The WAN Port Configuration screen provides an alternative to using the Wizard. It can be
accessed from the Internet menu. An example screen is shown below.
Figure 7: WAN Port Screen
Data - WAN Port Screen
Identification
Hostname
Normally, there is no need to change the default name, but if your
ISP requests that you use a particular “Hostname”, enter it here.
Domain name
If your ISP provided a domain name, enter it here. Otherwise, this
may be left blank.
IP Address
IP Address
is assigned automatically
Also called Dynamic IP Address. This is the default, and the most
common.
Leave this selected if your ISP allocates an IP Address to the Wireless Router upon connection.
Setup
15
Specified
IP Address
Also called Static IP Address. Select this if your ISP has allocated
you a fixed IP Address. If this option is selected, the following data
must be entered.
• IP Address.
The IP Address allocated by the ISP.
• Network Mask (Not required for PPPoE)
This is also supplied by your ISP. It must be compatible with the
IP Address above.
• Gateway IP Address (Not required for PPPoE)
The address of the router or gateway, as supplied by your ISP.
• DNS IP Address
The DNS (Domain Name Server) IP Address provided by your
ISP. If required, additional DNS entries can be made on the
Internet Options screen.
Login
Login Method
If your ISP does not use a login method (username, password) for
Internet access, leave this at the default value "None (Direct connection)"
Otherwise, check the documentation from your ISP, select the login
method used, and enter the required data.
• PPPoE - this is the most common login method, widely used
with DSL modems. Normally, your ISP will have provided some
software to connect and login. This software is no longer required, and should not be used.
• PPTP - this is mainly used in Europe. You need to know the
PPTP Server address as well as your name and password.
• Big Pond Cable - for Australia only.
• SingTel RAS - for Singapore only.
Login User Name
The User Name (or account name) provided by your ISP.
Login Password
Enter the password for the login name above.
RAS Plan
For SingTel customers only, select the RAS plan you are on.
Server IP Address
If using PPTP or Big Pond Cable, enter the IP address of your ISP's
server.
Connect
automatically
If Enabled (default), a connection will automatically be made as
required. If disabled, you need to establish the connection manually,
using the Connect button on the Connection Details screen (accessed
from the Status screen).
Disconnect
after Idle
Enable this if you wish an idle connection to be terminated.
If enabled, enter the idle time-out period (in minutes) in the field
provided. After the connection to your ISP has been idle for this time
period, the connection will be terminated.
If not enabled, the connection will remain open until terminated
manually, or by the remote server. (Many ISPs will terminate an idle
connection.)
TW100-BRV204 User Guide
16
MAC Address
MAC Address
Also called Network Adapter Address or Physical Address. This is a
low-level identifier, as seen from the WAN port.
Normally there is no need to change this, but some ISPs require a
particular value, often that of the PC initially used for Internet access.
You can use the Copy from PC button to copy your PC's address into
this field, the Default button to insert the default value, or enter a
value directly.
Setup
17
LAN Screen
Use the LAN link on the main menu to reach the LAN screen. An example screen is shown
below.
Figure 8: LAN Screen
Data - LAN Screen
TCP/IP
IP Address
IP address for the TW100-BRV204, as seen from the local LAN. Use
the default value unless the address is already in use or your LAN is
using a different IP address range. In the latter case, enter an unused IP
Address from within the range used by your LAN.
Subnet Mask
The default value 255.255.255.0 is standard for small (class "C")
networks. For other networks, use the Subnet Mask for the LAN
segment to which the TW100-BRV204 is attached (the same value as
the PCs on that LAN segment).
DHCP Server
• If Enabled, the TW100-BRV204 will allocate IP Addresses to PCs
(DHCP clients) on your LAN when they start up. The default (and
recommended) value is Enabled.
• If you are already using a DHCP Server, this setting must be
Disabled, and the existing DHCP server must be re-configured to
treat the TW100-BRV204 as the default Gateway. See the following section for further details.
• The Start IP Address and Finish IP Address fields set the values
used by the DHCP server when allocating IP Addresses to DHCP
clients. This range also determines the number of DHCP clients
supported.
See the following section for further details on using DHCP.
Buttons
Save
Save the data on screen.
Cancel
The "Cancel" button will discard any data you have entered and reload
the file from the TW100-BRV204.
TW100-BRV204 User Guide
18
DHCP
What DHCP Does
A DHCP (Dynamic Host Configuration Protocol) Server allocates a valid IP address to a
DHCP Client (PC or device) upon request.
• The client request is made when the client device starts up (boots).
• The DHCP Server provides the Gateway and DNS addresses to the client, as well as
allocating an IP Address.
• The TW100-BRV204 can act as a DHCP server.
• Windows 95/98/ME and other non-Server versions of Windows will act as a DHCP client.
This is the default Windows setting for the TCP/IP network protocol. However, Windows
uses the term Obtain an IP Address automatically instead of "DHCP Client".
• You must NOT have two (2) or more DHCP Servers on the same LAN segment. (If your
LAN does not have other Routers, this means there must only be one (1) DHCP Server on
your LAN.)
Using the TW100-BRV204 's DHCP Server
This is the default setting. The DHCP Server settings are on the LAN screen. On this screen,
you can:
• Enable or Disable the TW100-BRV204 's DHCP Server function.
• Set the range of IP Addresses allocated to PCs by the DHCP Server function.
You can assign Fixed IP Addresses to some devices
while using DHCP, provided that the Fixed IP Addresses
are NOT within the range used by the DHCP Server.
Using another DHCP Server
You can only use one (1) DHCP Server per LAN segment. If you wish to use another DHCP
Server, rather than the TW100-BRV204 's, the following procedure is required.
1. Disable the DHCP Server feature in the TW100-BRV204. This setting is on the LAN
screen.
2. Configure the DHCP Server to provide the TW100-BRV204 's IP Address as the Default
Gateway.
To Configure your PCs to use DHCP
This is the default setting for TCP/IP under Windows 95/98/ME.
See Chapter 4 - Client Configuration for the procedure to check these settings.
19
Chapter 4
PC Configuration
This Chapter details the PC Configuration required on the local ("Internal")
LAN.
Overview
For each PC, the following may need to be configured:
• TCP/IP network settings
• Internet Access configuration
Windows Clients
This section describes how to configure Windows clients for Internet access via the TW100BRV204.
The first step is to check the PC's TCP/IP settings.
The TW100-BRV204 uses the TCP/IP network protocol for all functions, so it is essential that
the TCP/IP protocol be installed and configured on each PC.
TCP/IP Settings - Overview
If using the default TW100-BRV204 settings, and the default Windows
TCP/IP settings, no changes need to be made.
• By default, the TW100-BRV204 will act as a DHCP Server, automatically providing a
suitable IP Address (and related information) to each PC when the PC boots.
• For all non-Server versions of Windows, the default TCP/IP setting is to act as a DHCP
client.
If using a Fixed (specified) IP address, the following changes are required:
• The Gateway must be set to the IP address of the TW100-BRV204
• The DNS should be set to the address provided by your ISP.
If your LAN has a Router, the LAN Administrator must reconfigure the Router itself. Refer to Chapter 8 - Other
Features and Operations for details.
4
TW100-BRV204 User Guide
20
Checking TCP/IP Settings - Windows 9x/ME:
3. Select Control Panel - Network. You should see a screen like the following:
Figure 9: Network Configuration
4. Select the TCP/IP protocol for your network card.
5. Click on the Properties button. You should then see a screen like the following.
Figure 10: IP Address (Win 95)
Ensure your TCP/IP settings are correct, as follows:
Using DHCP
To use DHCP, select the radio button Obtain an IP Address automatically. This is the default
Windows setting. Using this is recommended. By default, the TW100-BRV204 will act as a
DHCP Server.
Restart your PC to ensure it obtains an IP Address from the TW100-BRV204.
Using "Specify an IP Address"
If your PC is already configured, check with your network administrator before making the
following changes:
PC Configuration
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• On the Gateway tab, enter the TW100-BRV204 's IP address in the New Gateway field
and click Add, as shown below. Your LAN administrator can advise you of the IP Address
they assigned to the TW100-BRV204.
Figure 11: Gateway Tab (Win 95/98)
• On the DNS Configuration tab, ensure Enable DNS is selected. If the DNS Server Search
Order list is empty, enter the DNS address provided by your ISP in the fields beside the
Add button, then click Add.
Figure 12: DNS Tab (Win 95/98)
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Checking TCP/IP Settings - Windows NT4.0
1. Select Control Panel - Network, and, on the Protocols tab, select the TCP/IP protocol, as
shown below.
Figure 13: Windows NT4.0 - TCP/IP
2. Click the Properties button to see a screen like the one below.
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Figure 14: Windows NT4.0 - IP Address
3. Select the network card for your LAN.
4. Select the appropriate radio button - Obtain an IP address from a DHCP Server or Specify
an IP Address, as explained below.
Obtain an IP address from a DHCP Server
This is the default Windows setting. Using this is recommended. By default, the TW100BRV204 will act as a DHCP Server.
Restart your PC to ensure it obtains an IP Address from the TW100-BRV204.
Specify an IP Address
If your PC is already configured, check with your network administrator before making the
following changes.
1. The Default Gateway must be set to the IP address of the TW100-BRV204. To set this:
• Click the Advanced button on the screen above.
• On the following screen, click the Add button in the Gateways panel, and enter the
TW100-BRV204 's IP address, as shown in Figure 15 below.
• If necessary, use the Up button to make the TW100-BRV204 the first entry in the
Gateways list.
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Figure 15 - Windows NT4.0 - Add Gateway
2. The DNS should be set to the address provided by your ISP, as follows:
• Click the DNS tab.
• On the DNS screen, shown below, click the Add button (under DNS Service Search
Order), and enter the DNS provided by your ISP.
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Figure 16: Windows NT4.0 - DNS
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Checking TCP/IP Settings - Windows 2000:
1. Select Control Panel - Network and Dial-up Connection.
2. Right - click the Local Area Connection icon and select Properties. You should see a
screen like the following:
Figure 17: Network Configuration (Win 2000)
3. Select the TCP/IP protocol for your network card.
4. Click on the Properties button. You should then see a screen like the following.
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Figure 18: TCP/IP Properties (Win 2000)
5. Ensure your TCP/IP settings are correct, as described below.
Using DHCP
To use DHCP, select the radio button Obtain an IP Address automatically. This is the default
Windows setting. Using this is recommended. By default, the TW100-BRV204 will act as a
DHCP Server.
Restart your PC to ensure it obtains an IP Address from the TW100-BRV204.
Using a fixed IP Address ("Use the following IP Address")
If your PC is already configured, check with your network administrator before making the
following changes.
• Enter the TW100-BRV204 's IP address in the Default gateway field and click OK. (Your
LAN administrator can advise you of the IP Address they assigned to the TW100BRV204.)
• If the DNS Server fields are empty, select Use the following DNS server addresses, and
enter the DNS address or addresses provided by your ISP, then click OK.
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