Netopia Firmware 4000-Series Guide de démarrage rapide

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belonging to Netopia, Inc., registered U.S. Patent and Trademark Ofﬁce. Broadband Without

Boundaries and 3-D Reach are trademarks belonging to Netopia, Inc. All other trademarks

Netopia, Inc.

6001 Shellmound Street

Emeryville, CA 94608

U.S.A.

Part Number

Netopia part number 6161184-00-01

Contents iii

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

What’s New in Netopia Firmware Version 5.4 ................... 1-1

Console-based Management........................................... 1-2

Netopia Console Menus ................................................. 1-2

Netopia Models ............................................................. 1-3

Screen differences .............................................. 1-3

Connecting through a Telnet Session............................... 1-4

Conﬁguring Telnet software................................... 1-4

Connecting a Console Cable to your Equipment................ 1-5

Navigating through the Console Screens.......................... 1-7

Chapter 2 — WAN and System Conﬁguration .............................2-1

WAN Conﬁguration ......................................................... 2-1

ADSL Line Conﬁguration screen ............................ 2-2

SDSL/IDSL Conﬁguration screen........................... 2-3

G.SHDSL Line Conﬁguration screen....................... 2-6

T1 Line Conﬁguration screen ................................ 2-7

Frame Relay Conﬁguration .............................................. 2-9

Frame Relay DLCI conﬁguration........................... 2-11

Multiple ATM Permanent Virtual Circuits ........................ 2-16

Multiple ATM PVC overview ................................. 2-16

Multiple ATM PVC conﬁguration ........................... 2-16

Editing circuits................................................... 2-20

Changing a circuit .............................................. 2-21

Monitoring multiple virtual circuits....................... 2-22

Creating a New Connection Proﬁle................................. 2-24

The Default Proﬁle ....................................................... 2-28

IP parameters (default proﬁle) screen.................. 2-29

Scheduled Connections................................................ 2-29

Viewing scheduled connections........................... 2-30

Adding a scheduled connection........................... 2-31

Set Weekly Schedule.......................................... 2-32

Set Once-Only Schedule ..................................... 2-33

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Firmware User Guide

Modifying a scheduled connection....................... 2-34

Deleting a scheduled connection......................... 2-34

System Conﬁguration Screens ...................................... 2-35

System conﬁguration features............................. 2-35

IP Setup............................................................ 2-36

Filter Sets ......................................................... 2-36

IP Address Serving............................................. 2-36

Network Address Translation (NAT) ...................... 2-36

Stateful Inspection ﬁrewall ................................. 2-37

Date and time ................................................... 2-42

Console Conﬁguration ........................................ 2-43

SNMP (Simple Network Management Protocol)..... 2-43

Security............................................................. 2-43

Upgrade Feature Set .......................................... 2-43

RFC-1483 Transparent Bridging........................... 2-44

Logging ............................................................. 2-46

Chapter 3 — Multiple Network Address Translation ...................3-1

Overview ....................................................................... 3-1

Features ............................................................. 3-2

Supported trafﬁc ................................................. 3-5

Support for Microsoft Network (MSN) Messenger ... 3-5

Support for AOL Instant Messenger (AIM)

File Transfer ........................................................ 3-5

MultiNAT Conﬁguration ................................................... 3-6

Easy Setup Proﬁle conﬁguration ............................ 3-6

Server Lists and Dynamic NAT conﬁguration........... 3-7

IP setup .............................................................. 3-7

Modifying map lists............................................ 3-13

Adding Server Lists...................................................... 3-15

Modifying server lists ......................................... 3-18

Deleting a server ............................................... 3-20

Binding Map Lists and Server Lists ............................... 3-21

Contents v

IP proﬁle parameters.......................................... 3-21

IP Parameters (WAN Default Proﬁle) .................... 3-23

NAT Associations ......................................................... 3-25

IP Passthrough ............................................................ 3-27

MultiNAT Conﬁguration Example .................................... 3-31

Chapter 4 — Virtual Private Networks (VPNs)............................4-1

Overview ....................................................................... 4-1

About PPTP Tunnels ....................................................... 4-4

PPTP conﬁguration ............................................... 4-4

About IPsec Tunnels....................................................... 4-7

About ATMP Tunnels....................................................... 4-8

ATMP conﬁguration .............................................. 4-8

Encryption Support ...................................................... 4-10

MS-CHAP V2 and 128-bit strong encryption ......... 4-11

ATMP/PPTP Default Proﬁle............................................ 4-11

VPN QuickView ............................................................ 4-13

Dial-Up Networking for VPN ........................................... 4-14

Installing Dial-Up Networking............................... 4-14

Creating a new Dial-Up Networking proﬁle ............ 4-15

Conﬁguring a Dial-Up Networking proﬁle ............... 4-16

Installing the VPN Client ............................................... 4-17

Windows 95 VPN installation .............................. 4-17

Windows 98 VPN installation .............................. 4-18

Connecting using Dial-Up Networking................... 4-19

Allowing VPNs through a Firewall................................... 4-19

PPTP example.................................................... 4-20

ATMP example ................................................... 4-22

Windows Networking Broadcasts................................... 4-25

Chapter 5 — Internet Key Exchange (IKE) IPsec

Key Management for VPNs ...................................5-1

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

Internet Key Exchange (IKE) Conﬁguration........................ 5-2

Firmware User Guide

Adding an IKE Phase 1 Proﬁle ............................... 5-4

Changing an IKE Phase 1 Proﬁle ........................... 5-8

Key Management........................................................... 5-9

IPsec WAN Conﬁguration Screens ................................. 5-18

IPsec Manual Key Entry................................................ 5-19

VPN Quickview................................................... 5-20

WAN Event History Error Reporting...................... 5-21

Chapter 6 — IP Setup ...............................................................6-1

IP Setup........................................................................ 6-2

IP subnets........................................................... 6-4

Static routes ....................................................... 6-6

RIP-2 MD5 Authentication............................................. 6-10

Overview ........................................................... 6-10

Authentication conﬁguration................................ 6-10

Connection Proﬁles and Default Proﬁle ................ 6-16

IP Address Serving ...................................................... 6-17

IP Address Pools................................................ 6-20

DHCP NetBIOS Options ...................................... 6-22

More Address Serving Options...................................... 6-24

Conﬁguring the IP Address Server options ........... 6-25

DHCP Relay Agent........................................................ 6-30

Connection Proﬁles ...................................................... 6-32

Multicast Forwarding.................................................... 6-34

Chapter 7 — Line Backup .........................................................7-1

External Dial Backup Support ......................................... 7-2

Conﬁguring External Dial Backup..................................... 7-2

WAN Conﬁguration ......................................................... 7-2

Backup Conﬁguration screen ................................ 7-5

Connection Proﬁles ........................................................ 7-7

Using Scheduled Connections with Backup ...................... 7-8

Management/Statistics................................................ 7-10

QuickView ................................................................... 7-12

Contents vii

Event Logs .................................................................. 7-12

SNMP Support ............................................................ 7-13

Backup Default Gateway............................................... 7-13

Backup Conﬁguration screen .............................. 7-13

IP Setup screen ................................................. 7-15

Backup Management/Statistics .......................... 7-16

QuickView ......................................................... 7-17

Chapter 8 — Voice Conﬁguration...............................................8-1

Introduction................................................................... 8-1

Explanation of terms ............................................ 8-1

Conﬁguring the Voice Features........................................ 8-2

Chapter 9 — Monitoring Tools ...................................................9-1

Quick View Status Overview............................................ 9-1

General status..................................................... 9-2

Current status ..................................................... 9-3

Status lights........................................................ 9-3

Statistics & Logs ........................................................... 9-4

Event Histories .............................................................. 9-4

IP Routing Table............................................................. 9-7

General Statistics .......................................................... 9-7

System Information........................................................ 9-9

Simple Network Management Protocol (SNMP) - V2c ...... 9-10

Enterprise-speciﬁc SNMP Changes ...................... 9-10

The SNMP Setup screen..................................... 9-11

SNMP traps....................................................... 9-12

Chapter 10 — Security ...........................................................10-1

Suggested Security Measures....................................... 10-1

Console Tiered Access – Two Password Levels .............. 10-2

UPnP Support.................................................... 10-2

Superuser conﬁguration ..................................... 10-3

Limited user conﬁguration .................................. 10-4

viii

Firmware User Guide

Advanced Security Options ................................. 10-5

User access password ....................................... 10-7

User menu differences....................................... 10-8

User Accounts ........................................................... 10-15

Telnet Access ............................................................ 10-17

About Filters and Filter Sets........................................ 10-18

What’s a ﬁlter and what’s a ﬁlter set? ............... 10-18

How ﬁlter sets work ......................................... 10-18

How individual ﬁlters work ................................ 10-20

Design guidelines ............................................ 10-25

Working with IP Filters and Filter Sets .......................... 10-26

Adding a ﬁlter set............................................. 10-27

Deleting a ﬁlter set .......................................... 10-31

A sample ﬁlter set............................................ 10-31

Policy-based Routing using Filtersets........................... 10-34

TOS ﬁeld matching........................................... 10-35

Firewall Tutorial ......................................................... 10-37

General ﬁrewall terms ...................................... 10-37

Basic IP packet components............................. 10-37

Basic protocol types......................................... 10-37

Firewall design rules ........................................ 10-38

Filter basics..................................................... 10-40

Example ﬁlters................................................. 10-41

Conﬁguration Management ......................................... 10-44

TFTP and X-Modem........................................... 10-47

Call Filtering .............................................................. 10-48

Chapter 11 — Utilities and Diagnostics ...................................11-1

Ping ............................................................................ 11-2

Trace Route................................................................. 11-4

Telnet Client ................................................................ 11-5

Factory Defaults .......................................................... 11-6

Transferring Conﬁguration and Firmware Files with TFTP.. 11-6

Contents ix

Updating ﬁrmware.............................................. 11-7

Downloading conﬁguration ﬁles ........................... 11-8

Uploading conﬁguration ﬁles ............................... 11-9

Transferring Conﬁguration and Firmware Files

with XMODEM.............................................................. 11-9

Updating ﬁrmware............................................ 11-10

Downloading conﬁguration ﬁles ......................... 11-11

Uploading conﬁguration ﬁles ............................. 11-11

Restarting the System ............................................... 11-12

T1 Line Statistics and Diagnostics .............................. 11-12

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

Conﬁguration Problems .................................................. A-1

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

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

How to Reset the Router to Factory Defaults.................... A-3

Power Outages .............................................................. A-3

Technical Support .......................................................... A-4

How to reach us .................................................. A-4

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

What is IP?.................................................................... B-1

About IP Addressing ....................................................... B-1

Subnets and subnet masks .................................. B-2

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

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

Distributing IP Addresses ............................................... B-5

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

Conﬁguration ....................................................... B-7

Manually distributing IP addresses ........................ B-8

Using address serving.......................................... B-8

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

Nested IP Subnets....................................................... B-11

Broadcasts.................................................................. B-14

Firmware User Guide

Packet header types .......................................... B-14

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

Index

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