Netopia R2121 Produktinformationsblatt

Netopia

R2121 Dual Analog Router

User’s Reference Guide

This manual and any associated artwork, software and product designs are copyrighted with

part, without the prior written consent of Netopia, Inc. Under the law, copying includes

translation to another language or format.

Netopia, Inc.

2470 Mariner Square Loop

Alameda, CA 94501-1010

U.S.A.

Patents

PhoneNET technology contained in Netopia is covered by U.S. Patent Numbers 4,901,342

and 5,003,579.

Other U.S. and foreign patents are pending.

Part Number

For additional copies of this electronic manual, order Netopia part number 6120328-PF-02

Printed copies

For printed copies of this manual, order Netopia part number TER2121/Doc

(P/N 6120328-00-02)

Conﬁguration options for your Netopia R2121 Dual Analog Router..1

1. Small Ofﬁce connection to the Internet........................... 2

2. Small Ofﬁce connection to the Internet........................... 3

3. Direct Connection to a Corporate Ofﬁce (Telecommuter) .. 4

4. Conﬁgured to accept incoming dial-up connections.......... 5

5. Conﬁgured for two onboard and one external modem on the

Auxiliary port................................................................ 6

Part I: Getting Started

Chapter 1 — Introduction..........................................................1-1

Overview....................................................................... 1-1

Features and capabilities ............................................... 1-1

How to use this guide .................................................... 1-2

Chapter 2 — Making the Physical Connections..........................2-1

Find a location............................................................... 2-1

What you need .............................................................. 2-1

Identify the connectors and attach the cables.................. 2-2

Netopia R2121 Dual Analog Router Back Panel Ports....... 2-4

Netopia R2121 Dual Analog Router Status Lights ............ 2-6

Chapter 3 — Setting up your Router with the SmartStart Wizard3-1

Before running SmartStart ............................................. 3-1

Setting up your Router with the SmartStart Wizard........... 3-3

SmartStart Wizard conﬁguration screens............... 3-3

Easy option.......................................................... 3-4

Advanced option .................................................. 3-8

Sharing the Connection.................................................. 3-9

Welcome to the Netopia R2121

User’s Reference Guide

. This guide is designed to be your single

source for information about your Netopia R2121 Dual Analog Router. It is intended to be viewed

on-line, using the powerful features of the Adobe Acrobat Reader. The information display has been

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You can keep this document open while you perform any of the procedures described, and ﬁnd

useful information about the procedure you are performing.

This Table of Contents page you are viewing consists of hypertext links to the chapters and

headings listed. If you are viewing this on-line, just click any link below to go to that heading.

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ii User’s Reference Guide

Conﬁguring TCP/IP on Windows 95, 98, or NT

computers........................................................... 3-9

Conﬁguring TCP/IP on Macintosh computers........ 3-13

Chapter 4 — Monitoring with SmartView...................................4-1

SmartView overview ...................................................... 4-1

Navigating SmartView .................................................... 4-2

General Machine Information page........................ 4-2

Connection Proﬁles page ...................................... 4-3

Event History pages ............................................. 4-3

Standard HTML Web-based monitoring pages......... 4-5

Chapter 5 — Connecting Your Local Area Network.....................5-1

Overview....................................................................... 5-1

Readying computers on your local network....................... 5-1

Connecting to an Ethernet network.................................. 5-3

10Base-T............................................................. 5-4

Adding a third modem.................................................... 5-5

Connecting to a LocalTalk network ................................. 5-6

Wiring guidelines for PhoneNET cabling.................. 5-7

Part II: Advanced Configuration

Chapter 6 — Console-based Management..................................6-1

Connecting through a Telnet session............................... 6-2

Conﬁguring Telnet software................................... 6-3

Connecting a local terminal console cable to your router... 6-3

Navigating through the console screens .......................... 6-4

Chapter 7 — Easy Setup...........................................................7-1

Easy Setup console screens ................................. 7-1

How to access the Easy Setup console screens ..... 7-1

Beginning Easy Setup..................................................... 7-3

Easy Setup proﬁle................................................ 7-3

IP Easy Setup ...................................................... 7-4

Contents iii

Easy Setup Security.............................................. 7-6

Chapter 8 — WAN and System Conﬁguration.............................8-1

Creating a new Connection Proﬁle................................... 8-2

Viewing or editing connection proﬁles .................... 8-6

Deleting connection proﬁles.................................. 8-7

System Conﬁguration screens ........................................ 8-8

Navigating through the System Conﬁguration screens....... 8-8

System Conﬁguration features........................................ 8-9

Network Protocols Setup..................................... 8-11

Filter Sets (Firewalls).......................................... 8-11

IP Address Serving............................................. 8-11

Date and Time................................................... 8-11

Console Conﬁguration......................................... 8-12

SNMP (Simple Network Management Protocol)..... 8-13

Security............................................................. 8-13

Upgrade Feature Set .......................................... 8-13

Logging ............................................................. 8-13

Installing the Syslog client .................................. 8-14

Chapter 9 — Managing Voice and Data Calls.............................9-1

Specifying telephone connections ................................... 9-2

Default Answer Proﬁle for Dial-in Connections .................. 9-4

How the Default Answer Proﬁle works.................... 9-4

Scheduled connections.................................................. 9-7

Cost control feature -- call accounting............................ 9-12

Viewing call accounting statistics ........................ 9-14

Chapter 10 — IP Setup, SmartIP and Network Address

Translation........................................................10-1

Network Address Translation features ........................... 10-1

Using Network Address Translation ............................... 10-3

Associating port numbers to nodes ..................... 10-5

Using multiple Connection Proﬁles....................... 10-5

iv User’s Reference Guide

Network Address Translation guidelines............... 10-5

IP setup...................................................................... 10-6

IP subnets....................................................... 10-10

Static routes.................................................... 10-12

IP address serving..................................................... 10-16

DHCP NetBIOS Options..................................... 10-18

MacIP (Kip Forwarding) Options......................... 10-21

Chapter 11 — IPX Setup.........................................................11-1

IPX Features................................................................ 11-1

IPX Deﬁnitions............................................................. 11-1

Internetwork Packet Exchange (IPX)..................... 11-1

IPX address....................................................... 11-2

Socket .............................................................. 11-2

Routing Information Protocol (RIP)....................... 11-2

Service Advertising Protocol (SAP)....................... 11-2

NetBIOS............................................................ 11-3

IPX Spooﬁng ...................................................... 11-3

IPX setup........................................................... 11-3

IPX in the answer proﬁle ..................................... 11-5

IPX routing tables ........................................................ 11-7

Chapter 12 — AppleTalk Setup................................................12-1

AppleTalk networks ...................................................... 12-1

AppleTalk protocol.............................................. 12-1

MacIP................................................................ 12-3

AURP................................................................. 12-3

Routers and seeding .......................................... 12-3

Installing AppleTalk ...................................................... 12-4

Conﬁguring AppleTalk ................................................... 12-6

EtherTalk Setup.................................................. 12-6

LocalTalk Setup ................................................. 12-7

AURP setup ....................................................... 12-8

Contents v

Chapter 13 — Monitoring Tools...............................................13-1

Quick View status overview .......................................... 13-1

General Status................................................... 13-2

Current Status................................................... 13-3

Status lights..................................................... 13-3

Statistics & Logs......................................................... 13-4

General Statistics .............................................. 13-4

Event Histories............................................................ 13-5

Routing Tables............................................................. 13-8

Served IP Addresses.................................................. 13-11

System Information.................................................... 13-13

SNMP....................................................................... 13-13

The SNMP Setup screen................................... 13-14

SNMP traps..................................................... 13-15

Chapter 14 — Security ...........................................................14-1

Suggested security measures....................................... 14-1

User accounts............................................................. 14-2

Dial-in Console Access................................................. 14-3

Enable SmartStart/SmartView/Web Server................... 14-4

Telnet access.............................................................. 14-4

About ﬁlters and ﬁlter sets ........................................... 14-4

What’s a ﬁlter and what’s a ﬁlter set?.................. 14-4

How ﬁlter sets work............................................ 14-5

How individual ﬁlters work................................... 14-7

Design guidelines............................................. 14-11

Working with IP ﬁlters and ﬁlter sets............................ 14-12

Adding a ﬁlter set............................................. 14-13

Viewing ﬁlter sets............................................. 14-17

Modifying ﬁlter sets.......................................... 14-18

Deleting a ﬁlter set........................................... 14-18

A sample IP ﬁlter set........................................ 14-18

IPX ﬁlters .................................................................. 14-22

vi User’s Reference Guide

IPX packet ﬁlters.............................................. 14-23

IPX packet ﬁlter sets ........................................ 14-24

IPX SAP ﬁlters.................................................. 14-26

IPX SAP ﬁlter sets ............................................ 14-28

Firewall tutorial.......................................................... 14-30

General Firewall Terms ..................................... 14-30

Basic IP Packet Components............................. 14-30

Basic Protocol Types ........................................ 14-30

Firewall design rules......................................... 14-31

Filter Basics..................................................... 14-33

Example Filters ................................................ 14-34

Token Security Authentication..................................... 14-37

Securing network environments......................... 14-37

Using the SecurID token card............................ 14-37

Security authentication components.................. 14-38

Conﬁguring for security authentication ............... 14-38

Connecting using security authentication ........... 14-39

Chapter 15 — Utilities and Diagnostics...................................15-1

Ping............................................................................ 15-2

Trace Route................................................................. 15-4

Telnet client................................................................. 15-5

Secure Authentication Monitor...................................... 15-6

Disconnect Telnet Console Session............................... 15-7

Factory defaults........................................................... 15-7

Transferring conﬁguration and ﬁrmware ﬁles with TFTP.... 15-7

Updating ﬁrmware.............................................. 15-8

Downloading conﬁguration ﬁles ........................... 15-9

Uploading conﬁguration ﬁles ............................. 15-10

Transferring conﬁguration and ﬁrmware ﬁles with

XMODEM................................................................... 15-10

Updating ﬁrmware............................................ 15-11

Downloading conﬁguration ﬁles ......................... 15-12

Contents vii

Uploading conﬁguration ﬁles ............................. 15-12

Restarting the system................................................ 15-13

Part III: Appendixes

Appendix A — Troubleshooting..................................................A-1

Conﬁguration problems .................................................. A-1

SmartStart Troubleshooting.................................. A-2

Console connection problems ............................... A-2

Network problems................................................ A-2

Power outages............................................................... A-3

Technical support .......................................................... A-3

How to reach us................................................... A-3

Appendix B — Setting Up Internet Services...............................B-1

Finding an Internet service provider................................. B-1

Unique requirements............................................ B-2

Pricing and support.............................................. B-2

ISP’s Point of presence ........................................ B-2

Endorsements ..................................................... B-2

Deciding on an ISP account............................................ B-2

Setting up a Netopia R2121 account..................... B-2

Obtaining an IP host address ................................ B-2

SmartIP™............................................................ B-3

Obtaining information from the ISP.................................. B-3

Local LAN IP address information to obtain

(NAT enabled) ...................................................... B-3

Local LAN IP address information to obtain

(NAT-disabled)...................................................... B-3

Appendix C — Understanding IP Addressing ..............................C-1

What is IP?.................................................................... C-1

About IP addressing....................................................... C-1

Subnets and subnet masks .................................. C-2

Example: Using subnets on a Class C IP internet.... C-3

viii User’s Reference Guide

Example: Working with a Class C subnet................ C-5

Distributing IP addresses ............................................... C-5

Technical note on subnet masking......................... C-6

Conﬁguration ....................................................... C-7

Manually distributing IP addresses ........................ C-8

Using address serving.......................................... C-8

Tips and rules for distributing IP addresses............ C-9

Nested IP subnets....................................................... C-11

Broadcasts.................................................................. C-13

Packet header types........................................... C-13

Appendix D — Understanding Netopia NAT Behavior...................D-1

Network Conﬁguration.................................................... D-1

Background................................................................... D-1

Exported services................................................ D-5

Important notes................................................... D-6

Conﬁguration................................................................. D-6

Summary...................................................................... D-8

Appendix E — Binary Conversion Table......................................E-1

Appendix F — Further Reading..................................................F-1

Appendix G — Technical Speciﬁcations and Safety Information ..G-1

Pinouts for Auxiliary Port Modem Cable........................... G-1

Description.................................................................... G-2

Power requirements ............................................. G-2

Environment ........................................................ G-2

Software and protocols......................................... G-3

Agency approvals........................................................... G-3

Regulatory notices ............................................... G-3

Important safety instructions................................ G-5

Appendix H — About 56K Line Access.......................................H-1

Glossary..................................................................................GL-1

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