TRENDnet TW100-BRV204 SHEETS User manual

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Table of Contents
CHAPTER 1 INTRODUCTION .............................................................................................1
TW100-BRV204 Features................................................................................................1
Package Contents ..............................................................................................................3
Physical Details..................................................................................................................4
CHAPTER 2 INSTALLATION...............................................................................................7
Requirements.....................................................................................................................7
Procedure...........................................................................................................................7
CHAPTER 3 SETUP ................................................................................................................9
Overview ............................................................................................................................9
Configuration Program ..................................................................................................10
Setup Wizard...................................................................................................................13
LAN Screen......................................................................................................................16
CHAPTER 4 PC CONFIGURATION..................................................................................18
Overview ..........................................................................................................................18
Windows Clients..............................................................................................................18
Macintosh Clients............................................................................................................32
Linux Clients....................................................................................................................32
Other Unix Systems.........................................................................................................32
CHAPTER 5 OPERATION AND STATUS.........................................................................33
Operation.........................................................................................................................33
Status Screen....................................................................................................................33
Connection Status - PPPoE ............................................................................................35
Connection Status - PPTP ..............................................................................................37
Connection Status - Telstra Big Pond............................................................................38
Connection Details - SingTel RAS.................................................................................39
Connection Details - Fixed/Dynamic IP Address .........................................................41
CHAPTER 6 INTERNET FEATURES................................................................................43
Overview ..........................................................................................................................43
WAN Port Configuration ...............................................................................................44
Advanced Internet...........................................................................................................46
Dynamic DNS (Domain Name Server)..........................................................................50
Virtual Servers.................................................................................................................52
Options.............................................................................................................................54
CHAPTER 7 SECURITY CONFIGURATION...................................................................55
Overview ..........................................................................................................................55
Password ..........................................................................................................................55
Access Control.................................................................................................................57
Firewall Rules..................................................................................................................60
Logs...................................................................................................................................64
E-mail...............................................................................................................................66
Security Options..............................................................................................................68
Scheduling........................................................................................................................70
Services.............................................................................................................................71
CHAPTER 8 VPN (IPSEC)....................................................................................................73
Overview ..........................................................................................................................73
Common VPN Situations................................................................................................75

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VPN Configuration .........................................................................................................77
VPN Examples.................................................................................................................87
Certificates.....................................................................................................................105
CRLs...............................................................................................................................109
Status..............................................................................................................................109
CHAPTER 9 MICROSOFT VPN .......................................................................................111
Overview ........................................................................................................................111
Server Setup...................................................................................................................111
Client Database..............................................................................................................112
Status Screen..................................................................................................................114
Windows Client Setup...................................................................................................115
CHAPTER 10 OTHER FEATURES & SETTINGS .........................................................123
Overview ........................................................................................................................123
Config File......................................................................................................................124
Network Diagnostics .....................................................................................................125
PC Database...................................................................................................................126
Remote Administration.................................................................................................130
Routing...........................................................................................................................132
Upgrade Firmware........................................................................................................137
UPnP...............................................................................................................................138
APPENDIX A TROUBLESHOOTING..............................................................................139
Overview ........................................................................................................................139
General Problems..........................................................................................................139
Internet Access...............................................................................................................139
APPENDIX B SPECIFICATIONS......................................................................................141
TW100-BRV204 ............................................................................................................141
FCC Statement ..............................................................................................................141
CE Marking Warning...................................................................................................142
P/N: 9560KZ0101
Copyright ©2004. All Rights Reserved.
Document Version: 1.1
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 ca-
pabilities.
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.
•VPN Gateway for IPSec VPN connections to remote PCs or sites.
•3-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 Ad-
dress Translation).
•DSL & Cable Modem Support. The TW100-BRV204 has a 100BaseT Ethernet port
for connecting a DSL or Cable Modem. All popular DSL and Cable Modems are sup-
ported. 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 Pro-
tocol), SingTel RAS and Telstra Big Pond (Australia), as well as "Direct Connection" type
services.
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TW100-BRV204 User’s Guide
2
•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.
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.
•Multi-DMZ. For each WAN (Internet) IP address allocated to you, 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 in-
compatible with Firewalls.
•Physical DMZ Port. PCs connected to the DMZ port are effectively isolated from your
LAN, while connected to the Internet. This provides additional security for your LAN
while allowing your Servers to be accessed from the Internet.
•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
•3-Port Switching Hub. The TW100-BRV204 incorporates a 3-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.
•DMZ Port. Used when allowing Servers on your LAN to be accessed from the Internet,
the DMZ port provides additional protection for both your Servers and your LAN.
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 confi-
guration of the TW100-BRV204 . UPnP is by supported by Windows ME, XP, or later.
•Configuration File Backup & Restore. You can backup (download) the TW100-
BRV204 's configuration file to your PC, and restore (upload) a previously-saved configu-
ration file to the TW100-BRV204 .

Introduction
3
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.
•Protection against DoS attacks. DoS (Denial of Service) attacks can flood your
Internet connection with invalid packets and connection requests, using so much band-
width and so many resources that Internet access becomes unavailable. The TW100-
BRV204 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.
IPSec VPN Gateway Features
•IPSec.. Support for IPSec standards, including IKE and certificates.
•10 Tunnels. Up to 10 VPN tunnels can be created.
•High performance. High performance encryption engine maintains high throughput
even when using 3DES.
Microsoft VPN Gateway Support
•PPTP Server. The TW100-BRV204 emulates a Microsoft PPTP VPN Server, allowing
clients to use the Microsoft VPN client provided in Windows.
•Windows Client Support. Remote users can use the Microsoft VPN client (VPN
Adapter) provided in recent versions of Windows.
•Easy Setup. For both the Administrator and remote users, the Microsoft VPN is much
easier to configure than IPSec VPN.
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’s Guide
4
Physical Details
Front-mounted LEDs
Figure 2: Front Panel
Power On - Power on.
Off - No power.
Status (Red) On - Error condition.
Off - Normal operation.
Blinking - This LED blinks during start up.
LAN Each port has 2 LEDs
•Link/Act
•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 corres-
ponding LAN (hub) port.
•100
•On - Corresponding LAN (hub) port is using 100BaseT.
•Off - Corresponding LAN (hub) port connection is using
10BaseT, or no active connection.
DMZ •Link/Act
•On - DMZ port is active.
•Off - No active connection to the DMZ port.
•Flashing - Data is being transmitted or received via the DMZ
port.
•100
•On - DMZ port is using 100BaseT.
•Off - DMZ port connection is using 10BaseT, or no active con-
nection.
WAN On - Connection to the modem attached to the WAN (Internet) port is
established.
Off - No connection to a modem on the WAN (Internet) port.
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 for a few seconds, until the RED
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.
DMZ port
PCs or devices connected to the DMZ port are isolated from the
LAN.
If you have a server you wish to make available to the public, you
can connect it here. To use multiple servers, use a standard LAN
cable to connect the DMZ port to a normal port on another hub, and
connect your servers to the hub.
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.
Using the DMZ Port
The DMZ port is intended for connection of a server you wish to make available to the public.
To use multiple servers, use a standard LAN cable to connect the DMZ port to a normal port
on another hub, and connect your servers to the hub.
Please note the following points regarding the DMZ port.
•Although physically attached to the hub ports, the DMZ port is not part of the built-in hub.
It is a separate single port which is isolated from the hub.

TW100-BRV204 User’s Guide
6
•PCs connected to the DMZ port are on the same LAN segment as PCs connected to the
Hub ports. They must use the same IP address range.
•PCs connected to the DMZ port are NOT visible to PCs on the hub (LAN) ports. So you
cannot use Microsoft networking or other networking protocols to connect to PCs on the
DMZ. The connection must be made via the Internet.
•PCs connected to the DMZ port still share the WAN port IP address for Internet access.
•To make PCs on the DMZ port available from the Internet, the "Virtual Server" (Port
Forwarding) feature must be configured to send incoming traffic to the appropriate server.
Advantages of the DMZ Port
If running any Servers on your LAN, you should connect them to the DMZ port, for the
following reasons:
•Traffic passing between the DMZ and LAN passes through the firewall. The firewall will
protect your LAN if your Server is compromised and used to launch an attack on your
LAN.
•When using the Virtual Servers feature, (see Virtual Servers in Chapter 6) a firewall rule
to allow incoming traffic from the Internet (WAN) to the DMZ is automatically created.
If the Server is connected to the LAN (hub) ports, you must add the firewall rule manually.

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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 a Broadband modem
(usually, DSL or Cable modem).
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 TW100-
BRV204 . 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 TW100-
BRV204 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.
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TW100-BRV204 User’s Guide
8
•If desired, connect a PC (server) to the DMZ port. To use multiple servers, use a standard
LAN cable to connect the DMZ port to a normal port on another hub, and connect your
servers to the hub. PCs connected to the DMZ port are isolated from your LAN.
3. Connect WAN Cable
Connect the Broadband modem to the WAN port on the TW100-BRV204 . Use the cable
supplied with your Broadband modem. If no cable was supplied, use a standard LAN ca-
ble.
4. Power Up
•Power on the Broadband 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 blink during start up, then turn Off. If it stays on, there is a hard-
ware error.
•For each LAN (PC) connection, the LAN Link/Act LED should be ON (provided the PC is
also ON.)
•If a PC is connected to the DMZ port, the DMZ port's Link/Act LED should be ON (pro-
vided the PC is also ON.)
•The WAN LED should be ON.
For more information, refer to Front-mounted LEDs in Chapter 1.

9
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 Confi-
guration.
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:
•WAN Port
•Advanced Setup
•Dynamic DNS
•Virtual Servers
•Options
Chapter 6:
Internet Features
Change any of the following Security-related settings:
•Admin Login
•Access Control
•Firewall Rules
•Logs
•E-mail
•Security Options
•Scheduling
•Services
Chapter 7:
Security Configuration
3

TW100-BRV204 User’s Guide
10
Use the IPSec VPN features:
•VPN Policies
•Certificates
•CRLs
•VPN Status
Chapter 8:
VPN (IPSec)
Use the Microsoft VPN feature:
•PPTP Server in the TW100-BRV204 .
•User and Client setup.
•Checking VPN connection Status.
Chapter 9:
Microsoft VPN
Configure or use any of the following:
•Configuration File backup and restore.
•Network Diagnostic
•PC Database
•Remote Administration
•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 confi-
gure 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.

Setup
11
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.
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 Ad-
dress. (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.

TW100-BRV204 User’s Guide
12
Figure 5: Password Dialog
•Enter admin for the User Name, and leave the Password blank.
•These are the default values. Both the name and password can (and should) be changed,
using the Admin Login screen. Once you have changed either the name or the password,
you must use the current values.

Setup
13
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 ad-
dress" 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 ISP's may
require you to use a particular
Hostname, Domain name, or
MAC (physical) address.
Static (Fixed)
IP Address Your ISP allocates a perma- nent 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 Host-
name, 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 perma- nent 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 automati-
cally.
User name and password.

TW100-BRV204 User’s Guide
14
PPTP Mainly used in Europe.
You connect to the ISP only
when required. The IP address
is usually allocated automati-
cally, 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 perma- nent 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
15
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’s Guide
16
LAN Screen
Use the LAN link on the main menu to reach the LAN screen An example screen is shown
below.
Figure 7: 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 follow-
ing 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 .