SMC Networks Barricade SMC7401BRA Manual de usuario

ADSL Barricade™

2-Port ADSL Router with Built-in

Annex A ADSL Modem

User Guide

February 2004

TABLE OF CONTENTS

Introduction 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Using this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Notational conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Typographical conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Special messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Getting to Know the ADSL Barricade . . . . . . . . . . . . . . 5

Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Connecting the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Step 1. Connect the ADSL cable . . . . . . . . . . . . . . . . . . . . . . . . . .8

Step 2. Connect the Ethernet cable . . . . . . . . . . . . . . . . . . . . . . .9

Step 3. Attach the power connector . . . . . . . . . . . . . . . . . . . . . . .9

Step 4. Power up your systems . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Installing USB Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Configuring Your Computers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Windows® XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Windows 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Windows 95, 98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Windows NT 4.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Assigning static Internet Information to your PCs . . . . . . . . . . . .22

Configuring the ADSL Barricade . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Logging into the ADSL Barricade -

Quick Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Default Router Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Table of Contents

Getting Started with the Configuration Manager . . . .29

Accessing the Configuration Manager . . . . . . . . . . . . . . . . . . . . . . . . 29

Functional Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Commonly used buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

The Home Page and System View Table . . . . . . . . . . . . . . . . . . . . . 33

Modifying Basic System Information . . . . . . . . . . . . . . . . . . . . . . . . . 36

Committing Changes and Rebooting . . . . . . . . . . . . . . . . . . . . . . . . . 39

Committing your changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Rebooting the device using Configuration Manager . . . . . . . . 40

Configuring the LAN Ports . . . . . . . . . . . . . . . . . . . . . .41

Connecting via Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Configuring the LAN Port IP Address . . . . . . . . . . . . . . . . . . . . . . . . 41

Viewing System IP Addresses

and IP Performance Statistics . . . . . . . . . . . . . . . . . . .48

Viewing the ADSL Barricade's IP Addresses . . . . . . . . . . . . . . . . . . 48

Viewing IP Performance Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Configuring Dynamic Host Configuration Protocol . .53

Overview of DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

What is DHCP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Why use DHCP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

ADSL Barricade DHCP modes . . . . . . . . . . . . . . . . . . . . . . . . 54

Configuring DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Guidelines for creating DHCP server address pools . . . . . . . . 55

Adding DHCP Server Address Pools . . . . . . . . . . . . . . . . . . . . 57

Viewing, modifying, and deleting address pools . . . . . . . . . . . 60

Excluding IP addresses from a pool . . . . . . . . . . . . . . . . . . . . 61

Viewing current DHCP address assignments . . . . . . . . . . . . . 61

Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Setting the DHCP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table of Contents

iii

Configuring Network Address Translation . . . . . . . . . 66

Overview of NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Viewing NAT Global Settings and Statistics . . . . . . . . . . . . . . . . . . . .69

Viewing NAT Rules and Rule Statistics . . . . . . . . . . . . . . . . . . . . . . .72

Viewing Current NAT Translations . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Adding NAT Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

The NAPT rule: Translating between private

and public IP addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

The RDR rule: Allowing external access

to a LAN computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

The Basic rule: Performing 1:1 translations . . . . . . . . . . . . . . . . .83

The Filter rule: Configuring a BASIC rule

with additional criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

The Bimap rule: Performing two-way translations . . . . . . . . . . . .87

The Pass rule: Allowing specific addresses to

pass through untranslated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Configuring DNS Server Addresses . . . . . . . . . . . . . . 91

About DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Assigning DNS Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Configuring DNS Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

Configuring IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . 95

Overview of IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

IP routing versus telephone switching . . . . . . . . . . . . . . . . . . . . .95

Hops and gateways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Using IP routes to define default gateways . . . . . . . . . . . . . . . . .98

Do I need to define IP routes? . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Viewing the IP Routing Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

Adding IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

Configuring the Routing Information Protocol . . . . 104

RIP Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

When should you configure RIP? . . . . . . . . . . . . . . . . . . . . . . .105

Configuring the ADSL Barricade's Interfaces with RIP . . . . . . . . . .105

Viewing RIP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Table of Contents

Configuring the ATM Virtual Circuit . . . . . . . . . . . . . .110

Viewing Your ATM VC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Adding ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Modifying ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Configuring PPP Interfaces . . . . . . . . . . . . . . . . . . . .118

Viewing Your Current PPP Configuration . . . . . . . . . . . . . . . . . . . . 119

Viewing PPP Interface Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Adding a PPP Interface Definition . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Modifying and Deleting PPP Interfaces . . . . . . . . . . . . . . . . . . . . . . 126

Configuring EOA Interfaces . . . . . . . . . . . . . . . . . . . .127

Overview of EOA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Viewing Your EOA Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Adding EOA Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Configuring IPoA Interfaces . . . . . . . . . . . . . . . . . . . .133

Viewing Your IPoA Interface Setup . . . . . . . . . . . . . . . . . . . . . . . . . 133

Adding IPoA Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Configuring Bridging . . . . . . . . . . . . . . . . . . . . . . . . . .137

Overview of Bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

When to Use the Bridging Feature . . . . . . . . . . . . . . . . . . . . . . . . . 139

Defining Bridge Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Deleting a Bridge Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Configuring Firewall Settings . . . . . . . . . . . . . . . . . . .143

Configuring Global Firewall Settings . . . . . . . . . . . . . . . . . . . . . . . . 143

Managing the Black List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Table of Contents

Configuring IP Filters and Blocked Protocols . . . . . 147

Configuring IP Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

Viewing Your IP Filter Configuration . . . . . . . . . . . . . . . . . . . . .148

Configuring IP Filter Global Settings . . . . . . . . . . . . . . . . . . . . .149

Creating IP Filter Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

IP filter rule examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157

Viewing IP Filter Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Managing Current IP Filter Sessions . . . . . . . . . . . . . . . . . . . . .160

Blocked Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162

Viewing DSL Line Information . . . . . . . . . . . . . . . . . . 165

Administrative Tasks . . . . . . . . . . . . . . . . . . . . . . . . . 169

Configuring User Names and Passwords . . . . . . . . . . . . . . . . . . . .169

Creating and Deleting Logins . . . . . . . . . . . . . . . . . . . . . . . . . .170

Changing Login Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . .172

Viewing System Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173

Viewing the Alarm Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173

Upgrading the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174

Using Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

Modifying Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178

Overview of IP port numbers . . . . . . . . . . . . . . . . . . . . . . . . . . .178

Modifying the ADSL Barricade’s port numbers . . . . . . . . . . . . .179

Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

IP Addresses, Network Masks and Subnets . . . . . . . . . . . . . . . . . .181

IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181

Structure of an IP address . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181

Network classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183

Subnet masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

Appendix B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Binary Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187

Bits and bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188

Table of Contents

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189

Technical Specifications . . . . . . . . . . . . . . . . . . . . . . .195

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199

Compliances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Legal Information and Contacts . . . . . . . . . . . . . . . . . .vii

INTRODUCTION

Congratulations on becoming the owner of the ADSL Barricade,

a 2-port ADSL Router with built-in Annex A ADSL Modem. Your

LAN (Local Area Network) will now be able to access the Internet

using your high-speed ADSL connection. This User Guide will show

you how to set up the ADSL Barricade, and how to customize its

configuration to get the most out of your

new product.

Features

•External ADSL modem for high-speed Internet access.

•10/100Base-T Ethernet router to provide Internet connectivity

to all computers on your LAN.

•Optional USB port for connecting a USB-enabled PC.

•Network address translation (NAT), Firewall, and IP filtering

functions to provide security for your LAN.

•

Network configuration through DHCP Server and DHCP Relay.

•Services including IP route and DNS configuration, RIP,

and IP and DSL performance monitoring.

•Configuration program you access via an HTML browser.

Introduction

System Requirements

In order to use the ADSL Barricade, you must have the following:

•ADSL service up and running on your telephone line,

with at least one public Internet address for your LAN.

•One or more computers each containing an Ethernet

10/100 Base-T network interface card (NIC) and/or a single

computer with a USB port.

•An Ethernet hub/switch, if you are connecting the device

to more than one computer on an Ethernet network.

•For system configuration using the supplied web-based

program: a web browser such as Internet Explorer V5.0

or later, or Netscape V6.1 or later.

Using this Document

Notational conventions

•Acronyms are defined the first time they appear in the text

and in the Terminology.

•For brevity, the ADSL Barricade is referred to as the device.

•The terms LAN and network are used interchangeably to refer

to a group of Ethernet-connected computers at one site.

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