SMC Networks Barricade SMC7204BRA User manual

ADSL BarricadeTM

4-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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

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

Configuring Your Computers . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Windows® XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Windows 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Windows 95, 98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Windows NT 4.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Assigning static Internet Information to your PCs . . . . . .16

Configuring the ADSL Barricade . . . . . . . . . . . . . . . . . . . . . . .17

Logging into the ADSL Barricade –

Quick Configuration Page . . . . . . . . . . . . . . . . . . . . . . . .17

Default Router Settings . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table of Contents

Getting Started with the Configuration Manager 23

Accessing the Configuration Manager . . . . . . . . . . . . . . . . . . . 23

Functional Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Commonly used buttons . . . . . . . . . . . . . . . . . . . . . . . . 25

The Home Page and System View Table . . . . . . . . . . . . . . . . 26

Modifying Basic System Information . . . . . . . . . . . . . . . . . . . . 28

Committing Changes and Rebooting . . . . . . . . . . . . . . . . . . . . 30

Committing your changes . . . . . . . . . . . . . . . . . . . . . . . 30

Rebooting the device using Configuration Manager . . . 31

Configuring the LAN Ports . . . . . . . . . . . . . . . . . .33

Connecting via Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Configuring the LAN Port IP Address . . . . . . . . . . . . . . . . . . . 33

Viewing System IP Addresses

and IP Performance Statistics . . . . . . . . . . . . . . .39

Viewing the ADSL Barricade's IP Addresses . . . . . . . . . . . . . . 39

Viewing IP Performance Statistics . . . . . . . . . . . . . . . . . . . . . . 41

Configuring Dynamic Host Configuration

Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Overview of DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

What is DHCP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Why use DHCP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

ADSL Barricade DHCP modes . . . . . . . . . . . . . . . . . . . 44

Configuring DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Guidelines for creating DHCP server address pools . . . 45

Adding DHCP Server Address Pools . . . . . . . . . . . . . . . 47

Viewing, modifying, and deleting address pools . . . . . . 50

Excluding IP addresses from a pool . . . . . . . . . . . . . . . . 51

Viewing current DHCP address assignments . . . . . . . . 51

Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Setting the DHCP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Configuring Network Address Translation . . . . .57

Overview of NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table of Contents

iii

Viewing NAT Global Settings

and Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Viewing NAT Rules and Rule Statistics . . . . . . . . . . . . . . . . . .62

Viewing Current NAT Translations . . . . . . . . . . . . . . . . . . . . . .63

Adding NAT Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

The NAPT rule: Translating between private

and public IP addresses . . . . . . . . . . . . . . . . . . . . . . . . .66

The RDR rule: Allowing external access

to a LAN computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

The Basic rule: Performing 1:1 translations . . . . . . . . . .72

The Filter rule: Configuring a BASIC rule

with additional criteria . . . . . . . . . . . . . . . . . . . . . . . . . . .74

The Bimap rule: Performing two-way translations . . . . .76

The Pass rule: Allowing specific addresses

to pass through untranslated . . . . . . . . . . . . . . . . . . . . .78

Configuring DNS Server Addresses . . . . . . . . . . 81

About DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Assigning DNS Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Configuring DNS Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

Configuring IP Routes . . . . . . . . . . . . . . . . . . . . . 85

Overview of IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

IP routing versus telephone switching . . . . . . . . . . . . . .85

Hops and gateways . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

Using IP routes to define default gateways . . . . . . . . . .87

Do I need to define IP routes? . . . . . . . . . . . . . . . . . . . .87

Viewing the IP Routing Table . . . . . . . . . . . . . . . . . . . . . . . . . .88

Adding IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Configuring the Routing Information Protocol . 93

RIP Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

When should you configure RIP? . . . . . . . . . . . . . . . . . .94

Configuring the ADSL Barricade's Interfaces with RIP . . . . . . .94

Viewing RIP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Configuring the ATM Virtual Circuit . . . . . . . . . . 99

Table of Contents

Viewing Your ATM VC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Adding ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Modifying ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Configuring PPP Interfaces . . . . . . . . . . . . . . . .105

Viewing Your Current PPP Configuration . . . . . . . . . . . . . . . 106

Viewing PPP Interface Details . . . . . . . . . . . . . . . . . . . . . . . . 109

Adding a PPP Interface Definition . . . . . . . . . . . . . . . . . . . . . 112

Modifying and Deleting PPP Interfaces . . . . . . . . . . . . . . . . . 113

Configuring EOA Interfaces . . . . . . . . . . . . . . . .115

Overview of EOA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Viewing Your EOA Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Adding EOA Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Configuring IPoA Interfaces . . . . . . . . . . . . . . . .121

Viewing Your IPoA Interface Setup . . . . . . . . . . . . . . . . . . . . 121

Adding IPoA Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Configuring Bridging . . . . . . . . . . . . . . . . . . . . .125

Overview of Bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

When to Use the Bridging Feature . . . . . . . . . . . . . . . . . . . . 127

Defining Bridge Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Deleting a Bridge Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Configuring Firewall Settings . . . . . . . . . . . . . . .131

Configuring Global Firewall Settings . . . . . . . . . . . . . . . . . . . 131

Managing the Black List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Configuring IP Filters and Blocked Protocols .135

Configuring IP Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Viewing Your IP Filter Configuration . . . . . . . . . . . . . . 136

Configuring IP Filter Global Settings . . . . . . . . . . . . . . 137

Creating IP Filter Rules . . . . . . . . . . . . . . . . . . . . . . . . 138

IP filter rule examples . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Viewing IP Filter Statistics . . . . . . . . . . . . . . . . . . . . . . 147

Managing Current IP Filter Sessions . . . . . . . . . . . . . . 148

Table of Contents

Blocked Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Viewing DSL Line Information . . . . . . . . . . . . . . 153

Administrative Tasks . . . . . . . . . . . . . . . . . . . . . 157

Configuring User Names and Passwords . . . . . . . . . . . . . . . .157

Changing Login Passwords . . . . . . . . . . . . . . . . . . . . .157

Viewing System Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Viewing the Alarm Table . . . . . . . . . . . . . . . . . . . . . . . .159

Upgrading the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160

Using Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161

Modifying Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163

Overview of IP port numbers . . . . . . . . . . . . . . . . . . . .163

Modifying the ADSL Barricade’s port numbers . . . . . . .164

Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167

Structure of an IP address . . . . . . . . . . . . . . . . . . . . . .167

Network classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169

Subnet masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170

Appendix B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Binary Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173

Bits and bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 175

Technical Specifications . . . . . . . . . . . . . . . . . . 181

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

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

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

INTRODUCTION

Congratulations on becoming the owner of the ADSL Barricade,

a 4-port ADSL Router with built-in 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.

•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).

•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.

•ThetermsLANandnetworkareusedinterchangeablytorefer

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

Using this Document

Typographical conventions

•Italics are used to identify terms that are defined

in the Terminology.

•Square brackets are used for items you select from

menus and drop-down lists.

Special messages

This document uses the following statement to call your attention

to specific instructions or explanations.

Note: Provides clarifying or non-essential information

on the current topic.

Definition: Explains terms or acronyms that may be unfamiliar

to many readers. These terms are also included in the Terminology.

Warning: Provides messages of high importance, including

messages relating to personal safety or system integrity.

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