Hewlett Packard Enterprise WL553 User Manual

OfficeConnect®
ADSL Wir eless 108Mbps 11g Firewall Router

User Guide

Model WL-553
3CRWDR200A-75
3CRWDR200B-75

http://www.3com.com/

Published March 2006

3Com Corporation
350 Campus Drive
Marlborough, MA
USA 01752-3064

Copyright © 2006, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any
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If you are a United States government agency, then this documentation and the software described herein are
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All technical data and computer software are commercial in nature and developed solely at pr ivate e xpense. Software
is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a
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CONTENTS

ABOUT THIS GUIDE

Naming Convention 7
Conventions 8

Feedback about this User Guide 8
Related Documentation 9

1 INTRODUCING THE FIREWALL ROUTER

OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router 11
Firewall Router Advantages 13
Package Contents 13
Minimum System and Component Requirements 15
Front Panel 15
Rear Panel 17

2 HARDWARE INSTALLATION

Introduction 19

Safety Information 19

Positioning the Router 19

Using the Rubber Feet 20

Stacking the Router 20
Wall Mounting 20
Before you Install your Router 21
Powering Up the Router 22
Connecting the Router 22

3 SETTING UP YOUR COMPUTERS

Obtaining an IP Address Automatically 25

Windows 2000 25

Windows XP 27

Windows 95/98/ME 27

Macintosh 27
Disabling PPPoE and PPTP Client Software 28
Disabling Web Proxy 28

4 RUNNING THE SETUP WIZARD

Accessing the Wizard 2 9

Password 32

Time Zone 33

ATM PVC Configuration 33

IGMP 34

Connection Mode 34

LAN Settings 38

Wireless Settings 40

Summary 41

5 ROUTER CONFIGURATION

Navigating Through the Router Configuration Pages 43

Main Menu 43

Option Tabs 44
Welcome Screen 44

Notice Board 45

Password 45

Wizard 46
LAN Settings 47

Unit Configuration 47

DHCP Lease Table 48
Wireless Settings 48

Configuration 49

Encryption 51

Configuring WPA/WPA2 Encrypti on 52

Configuring WEP Encryption 54

WMM 56

Connection Control 57

Advanced Wireless Settings 58
Internet Settings 59
Firewall 59

Virtual Server s 59
Special Applications 61
Virtual DMZ 62
SPI 63
Internet Access Policy 64
Content Filter 66

System Tools 67

Restart 67
Time Zone 68
Configuration 68
Upgrade 69

Advanced 70

Routing 70
Static Route 71
RIP 71
DNS 73
DDNS 73
DSL 75
IPSec 75
Proxy ARP 76
ALG 77

Management 77

Syslog 78
SNMP 79
Trusted Station 80

Remote Management 81
Diagnostics 82
Device Info 82

Summary 82

WAN 83

Statistics 83

Route 84

ARP 84
Support/Feedback 85

Support 85

Feedback 86

6 TROUBLESHOOTING

Basic Connection Checks 87
Browsing to the Router Configuration 87
Connecting to the Internet 88
Forgotten Password and Reset to Factory Defaults 89
Wireless Networking 89

Replacement Power Adapters 92
Alert LED 92
Recovering from Corrupted Software 93
Frequently Asked Questions 94

A USING DISCOVERY

Running the Discovery Application 97

Windows Installation (95/98/2000/Me/NT) 97

B IP ADDRESSING

The Internet Protocol Suite 99
Managing the Router over the Network 99

IP Addresses and Subnet Masks 99
How does a Device Obtain an IP Address and Subnet Mask? 101

DHCP Addressing 101

Static Addressing 101

Auto-IP Addressing 101

C SAFETY INFORMATION

D END USER SOFTWARE LICENSE AGREEMENT

E ISP INFORMATION

GLOSSARY

REGULATORY NOTICES FOR THE ADSL WIRELESS
108M

INDEX

BPS 11G FIREWALL ROUTER

ABOUT THIS GUIDE

This guide describes how to install and configure the OfficeConnect ADSL
Wireless 108Mbps 11g Firewall Router (3CRWDR200A-75 and
3CRWDR200B-75).

This guide is intended for use by tho se responsible for installi ng and setting up
network equipment; consequently, it assumes a basic working knowledge of
LANs (Local Area Networks) and Internet Router systems.

If a release note is shipped with the OfficeConnect ADSL Wireless 108Mbps
11g Firewall Router and contains information that differs from the
information in this guide, follow the information in the release note.

Most user guides and release notes are available in Adobe Acrobat Reader
Portable Document Format (PDF) on the 3Com World Wide Web site:

http://www.3com.com

Naming Convention Throughout this guide, the OfficeConnect ADSL Wireless 108Mbps 11g

Firewall Router is referred to as the “Router”.

Category 3 and Category 5 Twisted Pair Cables are referred to as T wisted Pa ir
Cables throughout this guide.

8 ABOUT THIS GUIDE

Conventions Table 1 and Table 2 list conventions that are used throughout this guide.

Table 1 N o tice Icons

Icon Notice Type Description

Information note Information that describes important features or

instructions.

Feedback about this

User Guide

Caution Information that alerts you to potential loss of data or

Warning Information that alerts you to potential personal injury.

potential damage to an application, system, or device.

Table 2 Text Conventions

Convention Description

The words “enter”
and “type”

Keyboard key names If you must press two or more keys simultaneously, the key

Words in italics Italics are used to:

When you see the word “enter” in this guide, you must type
something, and then press Return or Enter. Do not press Return or
Enter when an instruction simply says “type.”

names are linked with a plus sign (+). Example:

Press Ctrl+Alt+Del

 Emphasize a point.
 Denote a new term at the place where it is defined in the text.
 Identify menu names, menu commands, and software button

names. Examples:

From the Help menu, select Contents.
Click OK.

Your suggestions are very important to us. They will help make our
documentation more useful to you. Please e-mail comments about this
document to 3Com at:

[e-mail]

Please include the following information when commenting:

 Document title

 Document product number (on the title page)

Conventions 9

 Page number (if appropriate)

Example:

 OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router User Guide

 Product Number 3CRWDR200A-75

 Page 24

Do not use this e-mail address for technical support questions. For
information about contacting Technical Support, please refer to the Support
and Safety Information sheet.

Related Documentation In addition to this guide, each Router document set includes one Installation

Guide. This guide contains the instructions you need to install and configure
your Router.

10 ABOUT THIS GUIDE

1

INTRODUCING THE FIREWALL ROUTER

Welcome to the world of networking with 3Com®. In the modern business
environment, communication and sharing information is crucial. Computer
networks have proved to be one of the fastest modes of communication but,
until recently, only large businesses could afford the networking advantage.
The OfficeConnect
networks to the small office.

The products that compose the OfficeConnect range give you, the small office
user, the same power , flexibility, and protection that has been available only to
large corporations. Now, you can network the computers in your office,
connect them all to a single Internet outlet, and harness the combined power
of all of your computers.

®

product range from 3Com has changed all this, bringing

OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router

The OfficeConnect ADSL W ireless 10 8Mbps 1 1g Firewall Ro uter is designed
to provide a cost-effective means of sharing a single broadband Internet
connection amongst several wired and wireless computers. The Router also
provides internet services with standardized mechanism; namely, NAT and
IPSec, etc. Thus, it further prevents anyone outside of your network from
seeing your files or damaging your computers. The Router also gives you
many administrative features such as scheduled internet access policies, web
content filter, and intrusion detections.

Figure 1

one computer is connected to the Internet. This computer must always be
powered on for the other computers on the network to access the Internet.

shows an example network without a Router. In this network, only

12 CHAPTER 1: INTRODUCING THE FIREWALL ROUTER

Figure 1 Example Network Without a Firewall Router

When you use the Firewall Router in your network (Figure 2), it becomes
your connection to the Internet. Connections can be made directly to the
Router, or to an OfficeConnect Switch or Hub, expanding the number of
computers you can have in your network.

Figure 2 Example Network Using a ADSL Wireless 108Mbps 11g Firewall Router

Firewall Router Advantages 13

Firewall Router Advantages

The advantages of the Firewall ADSL W irele ss 108Mbps 11g Firewall Router
include:

 Shared Internet connection for both wired and wireless computers

 High speed 802.11g wireless networking

 No need for a dedicated, “always on” computer serving as your Internet

connection

 Cross-platform operation for compatibility with Windows, Unix and

Macintosh computers

 Easy-to-use, Web-based setup and configuration

 Provides centralization of all network address settings (DHCP)

 Acts as a Virtual server to enable remote access to Web, FTP, and other

services on your network

 Security — Firewall protection against Internet hacker attacks and

encryption to protect wireless network traffic

 Filtered access of inappropriate Web sites using the built-in URL filter

 Internet Access Policy, to schedule your Internet Access ru les with options

in keywords and applications blocking

 Wireless Multimedia, to maximize the quality of your internet service with

traffic prioritization

Package Contents The Firewall Router kit includes the following items:

 One OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router

 One power adapter for use with the Firewall Router

 Four rubber feet

 One Ethern et cable

14 CHAPTER 1: INTRODUCING THE FIREWALL ROUTER

 One CD-ROM containing the Firewall Router Discovery program and this

User Guide

 Installation Guide

 One Support and Safety Information Sheet

 One Warranty Flyer

If any of these items are missing or damaged, please contact your retailer.

Minimum System and Component Requirements 15

Minimum System and
Component

Your Router requires that the computer(s) and components in your network be
configured with at least the following:

Requirements

 A computer with an operating system that supports TCP/IP network ing

protocols (for example Windows 95/98/NT/Me/2000/XP, Uni x, Mac OS 8.5
or higher).

 An Ethernet 10Mbps or 10/100 Mbps NIC for each computer to be

connected to the four-port switch on your Router.

 An 802.11b or 802.11g wireless NIC.

 A cable modem or DSL modem with an Ethernet port (RJ-45 connector).

 An active Internet access account.

 A Web browser that supports JavaScript, such as Netscape 4.7 or higher,

Internet Explorer 5.0 or higher, or Mozilla 1.2.1 or higher.

Front Panel The front panel of the Router contains a series of indicator lights (LEDs) that

help describe the status of various networking and connection operations.

Figure 3 Router - Front Panel

4

5

12 3

1 Alert LED

Orange

Indicates a number of different conditions, as described below.

Off - The Router is operating normally.
Flashing quickly - Indicates one of the following conditions:

 The Router has just been started up and is running a self-test routine, or

16 CHAPTER 1: INTRODUCING THE FIREWALL ROUTER

 The administrator has invoked the Reset to Factory Defaults command, or

 The system software is in the process of being upgraded

In each of these cases, wait until the Router has completed the current
operation and the alert LED is Off.

Flashing slowly - The Router has completed the Reset to Factory Defaults
process, and is waiting for you to reset the unit. To do this, remove power,
wait 10 seconds and then re-apply power. The Router will then enter the
start-up sequence and resume normal operation.

If you have used a cable to reset the unit to Factory Defaults, See "Reset to

Factory Default" on page 69.

On for 2 seconds, and then off - The Router has detected and prevented a

hacker from attacking your network from the Internet.

Continuously on - A fault has been detected with your Router during the
start-up process. Refer to Chapter 6

“Troubleshooting”.

2Power LED

Green

Indicates that the Router is powered on.

3 Wireless LAN (WLAN) Status LED

Yellow

If the LED is on it indicates that wireless networking is enabled. If the LED is
flashing, data is being transmitted or received. If the LED is off, the Wireless
LAN has been disabled in the Router, or there is a problem. Refer to

Chapter 6

“Troubleshooting”.

4 F our LAN Status LEDs

Green (100 Mbps link) / yellow (10 Mbps link)

If the LED is on, the link between the port and the next piece of network
equipment is OK. If the LED is flashing, the link is OK and data is being
transmitted or received. If the LED is off, noth ing is co nnected, the connec ted
device is switched off, or there is a problem with the connection (refer to

Chapter 6

“Troubleshooting”). The port will automatically adjust to the

correct speed and duplex.

5 Cable/DSL Status LED

Rear Panel 17

Green (100 Mbps link) / yellow (10 Mbps link)

If the LED is on, the link between the Router and the cable or DSL modem is
OK. If the LED is flashing, the link is OK and data is being transmitted or
received. If the LED is off, nothi ng is connected, the modem is swit ched off or
there is a problem (refer to Chapter 6

“Troubleshooting”).

Rear Panel The rear panel (Figure 4) of the Router contains four LAN ports, one Ethernet

Cable/DSL port, a power adapter OK LED, and a power adapter socket.

Figure 4 Router - Rear Panel

6

11

10

7

89

6 Wireless Antennae

The antennae on the product should be placed in a ‘V’ position when initially
installed.

CAUTION: Do not force the antennae beyond their mechanical stops.
Rotating the antennae further may cause damage.

7ADSL port

Using the RJ11 cable provided, you should connect your Router to the
telephone socket via a splitter.

8 Power Adapter Socket

Only use the power adapter supplied with this Router. Do not use any other
adapter.

9 Power Adapter OK LED

Green

Indicates that the power adapter is supplying power to the Router. If the LED
is off, there may be a problem with the power adapter or adapter cable.

18 CHAPTER 1: INTRODUCING THE FIREWALL ROUTER

10 Reset Button

Press this button for resetting your Router to factory default.

11 Four 10/100 LAN ports

Using suitable RJ-45 cable, you can connect your Router to a computer, or to
any other piece of equipment that has an Ethernet connection (for example, a
hub or a switch). The LAN ports will automatically set themselves to MDI or
MDIX depending on the device to which they are connected and the type of
cable used.

HARDWARE INSTALLATION

2

Introduction This chapter will guide you through a basic installation of the Router,

including:

 Connecting the Router to the Internet.

 Connecting the Router to your network.

 Setting up your computers for networking with the Router.

Safety Information

Positioning the Router

WARNING: Please read the Router section in Appendix C
VORSICHT: Bitte lesen Sie den Abschnitt “Wichtige Sicherheitshinweise”

sorgfältig durch, bevor Sie das Gerät einschalten.
AVERTISSEMENT: Veuillez lire attentivement la section “Consignes

importantes de sécurité” avant de mettre en route.

You should place the Router in a location that:

 is conveniently located for connection to the cable or DSL modem that

will be used to connect to the Internet.

 is centrally located to the wireless computers that will connect to the

Router . A suita ble l ocation might be on top of a h igh shelf or si milar furniture
to optimize wireless connections to computers in both horizontal and vertical
directions, allowing wider coverage.

 allows convenient connection to the computers that will be connected to

the four LAN ports on the rear panel, if desired.

before you start.

20 CHAPTER 2: HARDWARE INSTALLATION

 allows easy viewing of the front panel LED indicator lights, and access to

the rear panel connectors, if necessary.

When positioning your Router, ensure:

 It is out of direct sunl ight and away from sources of heat.

 Cabling is away from p ower l in es, fluorescent lighting fixtures, and

sources of electrical noise such as radios, transmitters and broadband
amplifiers.

 Water or moisture cannot enter the case of the unit.

 Air flow around the unit and through the vents in the side of the case is not

restricted. 3Com recommends you provide a minimum of 25 mm (1 in.)
clearance.

Using the Rubber Feet Use the four self-adhesive rubber feet to prevent your Router from moving

around on your desk or when stacking with other flat top Offic eConnect units.
Only stick the feet to the marked areas at each corner of the underside of your
Router.

Stacking the Router If you are stacking your Router with other OfficeConnect units, install the

Router at the top of the stack. Refer to the documentation supplied with your
other OfficeConnect unit for details on using the stacking clip.

A stacking clip is not supplied with the Router. Use the stacking clip supplied
with another stackable OfficeConnect unit.

Wall Mounting There are two slots on the underside of the Router that can be used for wall

mounting.

When wall mounting the unit, ensure that it is within reach of the power outlet.

You will need two suitable screws to wall mount the unit. To do this:

1 Ensure that the wall you use is smooth, flat, dry and sturdy and make two

screw holes which are 150 mm (5.9 in.) apart.

2 Fix the screws into the wall, leaving their heads 3 mm (0.12 in.) clear of the

wall surface.

Before you Install your Router 21

3 Remove any connections to the unit and locate it over the screw heads. When

in line, gently push the unit on to the wall and move it downwards to secure.

When making connections, be careful not to push the unit up and off the
wall.Router

CAUTION: Only wall mount single units, do not wall mount stacked units.

Before you Install your Router

Before you install and configure your Router, you need the following
additional information. If you do not have this information, contact your
Internet Service Provider (ISP). Space is provided below for you to record this
information.

If you have a DSL connection and your ISP allocates IP information
dynamically, you need a User Name and Password:

User Name : ______________________

Password : ______________________

Service Name : ______________________

Authentication Method : ______________________

You only need a PPPoE Service Name if your ISP requires one. Do not enter
anything if your ISP does not require this information.

You should leave the Authentication Method as its default: Auto if your ISP
doesn’t specify this parameter.

22 CHAPTER 2: HARDWARE INSTALLATION

If your ISP allocates fixed or static IP information, you need the following
information:

IP Address : ____.____.____.____

Subnet Mask : ____.____.____.____

Default Router address : ____.____.____.____

DNS address : ____.____.____.____

If your ISP allocates IP information dynamically over a protocol other than
PPPoE, you do not need any further information. This configuration is typical
of cable connections.

Powering Up the Router

Connecting the Router

To power up the Router:

1 Plug the power adapter into the power adapter socket located on the back

panel of the Router.

2 Plug the power adapter into a standard electrical wall socket.

The first step for installing your Router is to physically connect it to a RJ11
cable with the splitter and then co nnect the Router t o a computer in order to be
able to access the Internet. See Figure 5

:

Figure 5 Connecting the Router

Connecting the Router 23

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To use your Router to connect to the Internet through an DSL connec ti on :

1 Insert one end of the supplied telephone (RJ-11) cable into the Cable/DSL

port on the rear panel of the Router. Check that the DSL Sync status LED
lights on the Router.

2 Connect your computer to one of the four LAN ports on the Rout er using a

Category 5 twisted pair cable. Check that the correspond ing LAN sta tus LED
on the Router lights.

You have now completed the hardware installation of your Router. Next you
need to set up your computers so that they can make use of the Router to
communicate with the Internet.

3Com recommends that you perform the initial Router configurat ion from a
computer that is directly connected to one of the LAN ports.

If you configure the Router from a wireless computer, note that you may lose
contact with the Router if you change the wireless configuration.

T o communicate wirelessly with your Router, your wireless NIC should be set
as follows:

 Encryption — none

24 CHAPTER 2: HARDWARE INSTALLATION

 Service Area Name/SSID — 3Com

 Channel — 11

3

SETTING UP YOUR COMPUTERS

The Router has the ability to dynamically allocate network addresses to the
computers on your network, using DHCP. However, your computers need to
be configured correctly for this to take place. To change the configuration of
your computers to allow this, follow the instructions in this chapter. If your
computers are configured with fixed or static addresses and you do not wish to
change this, then you should use the Discovery program on the Router
CD-ROM to detect and configure your Router. Refer to Appendix A
information on using the Discovery program.

for

Obtaining an IP Address Automatically

Windows 2000 If you are using a Windows 2000-based computer, use the following

Refer to the section below which relates to your operating system for details
on how to obtain an IP address automatically.

procedure to change your TCP/IP settings:

1 From the Windows Start Me nu, select Settings > Control Panel.
2 Double click on Network and Dial-Up Connections.
3 Double click on Local Area Connection.
4 Click on Properties.
5 A screen similar to Figure 6

TCP/IP and click on Properties.

should be displayed. Select Internet Protocol

26 CHAPTER 3: SETTING UP YOUR COMPUTERS

Figure 6 Local Area Properties Screen

6 Ensure that the options Obtain an IP Address automatically, and Obtain DNS

server address automatically are both selected as shown in Figure 7
OK.

. Click

Figure 7 Internet Protocol (TCP/IP) Properties Screen

7 Restart your computer.

Obtaining an IP Address Automatically 27

Windo ws XP If you are using a Windows XP computer, use the following procedure to

change your TCP/IP settings:

1 From the Windows Start menu, select Control Panel.
2 Click on Network and Internet Connections.
3 Click on the Network Connections icon.
4 Double click on LAN or High Speed Connection icon. A screen titled Local

Area Connection Status will appear.

5 Select Internet Protocol TCP/IP and click on Properties.
6 Ensure that the options Obtain an IP Address automatically, and Obtain DNS

servers automatically are both selected. Click OK.

7 Restart your computer.

Windows 95/98/ME If you are using a Win dows 95 /9 8/ME computer, use th e fo llo w ing p roce du re

to change your TCP/IP settings:

1 From the Windows Start Menu, select Settings > Control Panel.
2 Double click on Network. Select the TCP/IP item for your network card and

click on Properties.

3 In the TCP/IP dialog, select the IP Address tab, and ensure that Obtain IP

address automatically is selected. Click OK.

Macintosh If you are using a Macintosh computer, use the following procedure to change

your TCP/IP settings:

1 From the desktop, select Apple Menu, Control Panels, and TCP/IP.
2 In the TCP/IP control panel, set Connect Via: to “Ethernet”.
3 In the TCP/IP control panel, set Configure: to “Using DHCP Server.”
4 Close the TCP/IP dialog box, and save your changes.
5 Restart your computer.

28 CHAPTER 3: SETTING UP YOUR COMPUTERS

Disabling PPPoE and PPTP Client Software

If you have PPPoE or PPTP client software installed on your computer, you
will need to disable it. To do this:

1 From the Windows Start menu, select Settings > Control Panel.
2 Double click on Internet Options.
3 Select the Connections T ab . A screen simila r to Figure 8
4 Select the Never Dial a Connection option.

Figure 8 Internet Properties Screen

should be displayed.

Y ou may wish to remove the PPPoE client software from your computer to free
resources, as it is not required for use with the Router.

Disabling Web Proxy Ensure that you do not have a web proxy enabled on your comp uter.

Go to the Control Pane l and click on Internet Options. Select the Connections
tab and click LAN Settings at the bottom. Make sure that the Use Proxy Server
option is unchecked.