Netopia 4741 2A4NA Instruction Manual

Netopia
™
4741
ADSL Integrated Access Device
Administration Guide

Copyright
©2001 Netopia, Inc., v.080101
All rights reserved. Printed in the U.S.A.
This manual and any associated artwork, software, and product designs are copyrighted with
all rights reserved. Under the copyright laws such materials may not be copied, in whole or
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.
Part Number
For additional copies of this electronic manual, order Netopia part number 6161095-PF-01.

Contents iii
G
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.............................................................. 2-2
Important Safety instructions ......................................... 2-3
Identify the Connectors and Attach the Cables................. 2-4
Netopia 4741 Status Lights............................................ 2-5
Chapter 3 — Sharing the Connection.........................................3-1
Configuring TCP/IP on Windows-based Computers............ 3-2
Dynamic configuration (recommended) .................. 3-2
Static configuration (optional) ............................... 3-3
Configuring TCP/IP on Macintosh Computers ................... 3-5
Dynamic configuration (recommended) .................. 3-5
Static configuration (optional) ............................... 3-6
Chapter 4 — Connecting to Your Local Network.........................4-1
Readying Computers on Your Local Network..................... 4-2
Connecting to an IP and Telephone Network..................... 4-3
Chapter 5 — Console-Based Management.................................5-1
Connecting through a Telnet Session............................... 5-2
Configuring Telnet software................................... 5-2
Connecting a Console Cable to Your Device ..................... 5-3
Navigating through the Console Screens.......................... 5-5
Chapter 6 — Easy Setup...........................................................6-1
Easy Setup Console Screens.......................................... 6-1
Accessing the Easy Setup console screens............ 6-1
Quick Easy Setup Connection Path.................................. 6-3
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iv Administration Guide
DSL Line Configuration......................................... 6-5
Voice Easy Setup................................................. 6-6
Easy Setup Profile................................................ 6-7
IP Easy Setup...................................................... 6-8
Easy Setup Security Configuration......................... 6-9
Chapter 7 — Voice Configuration...............................................7-1
Introduction................................................................... 7-1
Configuring the Voice Features........................................ 7-2
Part II: Advanced Configuration
Chapter 8 — WAN and System Configuration.............................8-1
WAN Configuration ......................................................... 8-2
Multiple ATM Permanent Virtual Circuit Support............... 8-3
Multiple ATM PVC overview................................... 8-3
Multiple ATM PVC configuration............................. 8-4
Changing a circuit................................................ 8-5
Adding a circuit.................................................... 8-7
Monitoring multiple virtual circuits......................... 8-8
Creating a New Connection Profile................................. 8-10
The WAN Default Profile................................................ 8-14
IP Parameters (Default Profile) screen ................. 8-15
The ATMP/PPTP Default Profile ..................................... 8-15
Scheduled Connections................................................ 8-15
Viewing scheduled connections........................... 8-16
Adding a scheduled connection........................... 8-17
Set Weekly Schedule.......................................... 8-18
Set Once-Only Schedule ..................................... 8-19
Modifying a scheduled connection....................... 8-20
Deleting a scheduled connection......................... 8-20
System Configuration Screens ..................................... 8-21
Navigating through the System Configuration
screens............................................................. 8-21

Contents v
G
System Configuration Features ..................................... 8-22
IP setup............................................................ 8-23
Filter sets.......................................................... 8-23
IP address serving............................................. 8-23
Date and time (Network Time Protocol)................ 8-23
Console configuration......................................... 8-24
SNMP (Simple Network Management Protocol)..... 8-25
Security............................................................. 8-25
Upgrade feature set........................................... 8-25
Logging............................................................. 8-25
Installing the Syslog client.................................. 8-26
Chapter 9 — IP Setup...............................................................9-1
IP Setup........................................................................ 9-2
IP subnets........................................................... 9-4
Static routes ....................................................... 9-6
IP Address Serving ...................................................... 9-10
IP Address Pools................................................ 9-13
DHCP NetBIOS Options ...................................... 9-15
More Address Serving Options...................................... 9-17
Configuring the IP Address Server options ........... 9-18
DHCP Relay Agent........................................................ 9-23
Connection Profiles...................................................... 9-25
Chapter 10 — Multiple Network Address Translation ...............10-1
Overview..................................................................... 10-1
Features ........................................................... 10-1
Supported traffic ............................................... 10-5
MultiNAT Configuration................................................. 10-6
Easy Setup Profile configuration.......................... 10-6
Server Lists and Dynamic NAT configuration......... 10-6
IP setup............................................................ 10-7
Modifying map lists.......................................... 10-13
Moving maps................................................... 10-15

vi Administration Guide
Adding Server Lists.................................................... 10-17
Modifying server lists....................................... 10-20
Deleting a server............................................. 10-22
Binding Map Lists and Server Lists............................. 10-23
IP profile parameters........................................ 10-23
IP Parameters (WAN Default Profile) .................. 10-25
NAT Associations....................................................... 10-27
MultiNAT Configuration Example.................................. 10-29
Chapter 11 — Virtual Private Networks (VPNs)........................11-1
Overview..................................................................... 11-1
About PPTP Tunnels ..................................................... 11-3
PPTP configuration............................................. 11-4
About IPsec Tunnels..................................................... 11-7
Configuration..................................................... 11-7
IP Profile Parameters........................................ 11-10
Advanced IP Profile Options .............................. 11-11
Interoperation with other features ..................... 11-12
Encryption Support.......................................... 11-12
ATMP/PPTP Default Answer Profile.............................. 11-13
VPN QuickView .......................................................... 11-14
Dial-Up Networking for VPN......................................... 11-15
Installing PPTP and Configuring Dial-up Networking on a
PPTP Client...................................................... 11-15
About ATMP Tunnels................................................... 11-19
ATMP configuration .......................................... 11-19
Allowing VPNs through a Firewall................................. 11-21
PPTP example.................................................. 11-23
ATMP example................................................. 11-26
Chapter 12 — Security ...........................................................12-1
Suggested Security Measures....................................... 12-1
User Accounts............................................................. 12-1
Telnet Access.............................................................. 12-3

Contents vii
G
About Filters and Filter Sets.......................................... 12-4
What’s a filter and what’s a filter set?................. 12-4
How filter sets work ........................................... 12-4
How individual filters work .................................. 12-6
Design guidelines ............................................ 12-10
Working with IP Filters and Filter Sets.......................... 12-11
Adding a filter set............................................. 12-12
Viewing filter sets ............................................ 12-15
Modifying filter sets.......................................... 12-16
Deleting a filter set .......................................... 12-16
A sample IP filter set........................................ 12-16
Firewall Tutorial ......................................................... 12-19
General firewall terms...................................... 12-19
Basic IP packet components............................. 12-20
Basic protocol types......................................... 12-20
Firewall design rules ........................................ 12-21
Filter basics..................................................... 12-23
Example filters................................................. 12-24
LAN IP Filtersets.............................................. 12-27
RADIUS Client Support............................................... 12-30
RADIUS client configuration .............................. 12-30
Warning alerts................................................. 12-32
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
Event Histories............................................................ 13-4
WAN Event History............................................. 13-5
Device Event History.......................................... 13-5
Voice Logs................................................................... 13-7

viii Administration Guide
Voice Log .......................................................... 13-7
Voice Accounting Log.......................................... 13-8
IP Routing Table........................................................... 13-9
Served IP Addresses.................................................. 13-10
General Statistics...................................................... 13-11
System Information.................................................... 13-13
SNMP....................................................................... 13-13
The SNMP Setup screen................................... 13-14
SNMP traps..................................................... 13-15
Chapter 14 — Utilities and Diagnostics...................................14-1
Ping............................................................................ 14-2
Trace Route................................................................. 14-4
Telnet Client................................................................ 14-5
Disconnect Telnet Console Session............................... 14-6
Factory Defaults .......................................................... 14-6
Transferring Configuration and Firmware Files with TFTP.. 14-7
Updating firmware.............................................. 14-7
Downloading configuration files........................... 14-8
Uploading configuration files............................... 14-9
Transferring Configuration and Firmware Files with
XMODEM................................................................... 14-10
Updating firmware............................................ 14-10
Downloading configuration files......................... 14-11
Uploading configuration files............................. 14-12
Restarting the System ............................................... 14-12
Part III: Appendixes
Appendix A — Troubleshooting..................................................A-1
Configuration Problems .................................................. A-1
Console connection problems............................... A-2
Network problems................................................ A-2
How to Reset the Netopia 4741 to Factory Defaults......... A-3

Contents ix
G
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-13
Packet header types .......................................... B-13
Appendix C — Binary Conversion Table......................................C-1
Appendix D — Further Reading .................................................D-1
Appendix E — Technical Specifications and Safety Information...E-1
Description.................................................................... E-1
Power requirements............................................. E-1
Environment........................................................ E-1
Software and protocols ........................................ E-1
Agency Approvals........................................................... E-2
Regulatory notices............................................... E-2
Important Safety instructions ............................... E-5
Netopia 4741 Specifications .......................................... E-6
Physical interface ................................................ E-6
Data features...................................................... E-6

x Administration Guide
Hardware specifications ....................................... E-8
Voice features ..................................................... E-8
Glossary
Index
Limited Warranty and Limitation of Remedies