Netopia 4752 2A4NA Instruction Manual

Netopia
™
4752
SDSL Integrated Access Device
Administration Guide

Copyright
©2001 Netopia, Inc., v.051601
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 6161089-00-01.

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 — Setting Up Internet Services .................................2-1
Finding an Internet Service Provider ................................ 2-1
Unique requirements............................................ 2-1
Pricing and support.............................................. 2-2
Endorsements ..................................................... 2-2
Deciding on an ISP Account ............................................ 2-2
Setting up a Netopia 4752 account....................... 2-2
Obtaining an IP address ....................................... 2-2
Obtaining Information from the ISP.................................. 2-3
Local LAN IP address information to obtain............ 2-3
Chapter 3 — Making the Physical Connections..........................3-1
Find a Location .............................................................. 3-1
What You Need .............................................................. 3-2
Identify the Connectors and Attach the Cables ................. 3-3
Netopia 4752 Status Lights............................................ 3-4
Chapter 4 — Sharing the Connection.........................................4-1
Configuring TCP/IP on Windows-based Computers............ 4-2
Dynamic configuration (recommended) .................. 4-2
Static configuration (optional) ............................... 4-3
Configuring TCP/IP on Macintosh Computers ................... 4-5
Dynamic configuration (recommended) .................. 4-5
Static configuration (optional) ............................... 4-6
Chapter 5 — Connecting to Your Local Network.........................5-1
Readying Computers on Your Local Network..................... 5-2
Connecting to an IP and Telephone Network..................... 5-3
CC
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iv Administration Guide
Chapter 6 — Console-Based Management .................................6-1
Connecting through a Telnet Session............................... 6-2
Configuring Telnet software................................... 6-2
Connecting a Console Cable to Your Device ..................... 6-3
Navigating through the Console Screens.......................... 6-5
Chapter 7 — Easy Setup ...........................................................7-1
Easy Setup Console Screens .......................................... 7-1
Accessing the Easy Setup console screens............ 7-1
Quick Easy Setup Connection Path.................................. 7-3
SDSL Line Configuration ....................................... 7-5
Voice Easy Setup ................................................. 7-8
Easy Setup Profile................................................ 7-9
IP Easy Setup .................................................... 7-10
Easy Setup Security Configuration ....................... 7-11
Chapter 8 — Voice Configuration...............................................8-1
Introduction................................................................... 8-1
Explanation of terms ............................................ 8-1
Configuring the Voice Features........................................ 8-2
Part II: Advanced Configuration
Chapter 9 — WAN and System Configuration .............................9-1
WAN Configuration ......................................................... 9-2
Multiple ATM Permanent Virtual Circuit Support ............... 9-5
Multiple ATM PVC overview ................................... 9-5
Multiple ATM PVC configuration ............................. 9-6
Changing a circuit ................................................ 9-7
Adding a circuit.................................................... 9-9
Monitoring multiple virtual circuits....................... 9-10
Creating a New Connection Profile................................. 9-12
The WAN Default Profile................................................ 9-15
IP Parameters (Default Profile) screen ................. 9-16

Contents v
G
The ATMP/PPTP Default Profile ..................................... 9-17
System Configuration Screens ..................................... 9-17
Navigating through the System Configuration
screens............................................................. 9-17
System Configuration Features ..................................... 9-18
IP setup ............................................................ 9-19
Filter sets.......................................................... 9-19
IP address serving ............................................. 9-19
Date and time ................................................... 9-19
Console configuration......................................... 9-20
SNMP (Simple Network Management Protocol)..... 9-21
Security............................................................. 9-21
Upgrade feature set ........................................... 9-21
Logging ............................................................. 9-22
Installing the Syslog client .................................. 9-22
Chapter 10 — IP Setup ...........................................................10-1
IP Setup...................................................................... 10-2
IP subnets......................................................... 10-4
Static routes ..................................................... 10-6
IP Address Serving .................................................... 10-10
IP Address Pools.............................................. 10-13
DHCP NetBIOS Options .................................... 10-15
More Address Serving Options.................................... 10-17
Configuring the IP Address Server options ......... 10-18
DHCP Relay Agent...................................................... 10-23
Connection Profiles .................................................... 10-25
Chapter 11 — Multiple Network Address Translation ...............11-1
Overview ..................................................................... 11-1
Features ........................................................... 11-1
Supported traffic ............................................... 11-5
MultiNAT Configuration ................................................. 11-6
Easy Setup Profile configuration .......................... 11-6

vi Administration Guide
Server Lists and Dynamic NAT configuration......... 11-6
IP setup ............................................................ 11-7
Modifying map lists.......................................... 11-12
Moving maps................................................... 11-14
Adding Server Lists.................................................... 11-16
Modifying server lists ....................................... 11-19
Deleting a server ............................................. 11-21
Binding Map Lists and Server Lists ............................. 11-22
IP profile parameters........................................ 11-22
IP Parameters (WAN Default Profile) .................. 11-24
NAT Associations ....................................................... 11-26
MultiNAT Configuration Example.................................. 11-28
Chapter 12 — Virtual Private Networks (VPNs)........................12-1
Overview ..................................................................... 12-1
About PPTP Tunnels ..................................................... 12-3
PPTP configuration ............................................. 12-4
About IPsec Tunnels..................................................... 12-7
Configuration ..................................................... 12-7
IP Profile Parameters........................................ 12-10
Advanced IP Profile Options .............................. 12-11
Interoperation with other features ..................... 12-12
Encryption Support .......................................... 12-12
ATMP/PPTP Default Answer Profile .............................. 12-13
VPN QuickView .......................................................... 12-14
Dial-Up Networking for VPN ......................................... 12-15
Installing Dial-Up Networking............................. 12-15
Creating a new Dial-Up Networking profile .......... 12-16
Configuring a Dial-Up Networking profile............. 12-17
Installing the VPN Client ............................................. 12-18
Windows 95 VPN installation ............................ 12-18
Windows 98 VPN installation ............................ 12-19
Connecting using Dial-Up Networking................. 12-20

Contents vii
G
About ATMP Tunnels................................................... 12-20
ATMP configuration .......................................... 12-20
Allowing VPNs through a Firewall ................................. 12-23
PPTP example.................................................. 12-24
ATMP example ................................................. 12-27
Chapter 13 — Security ...........................................................13-1
Suggested Security Measures....................................... 13-1
User Accounts ............................................................. 13-1
Telnet Access .............................................................. 13-3
About Filters and Filter Sets.......................................... 13-4
What’s a filter and what’s a filter set? ................. 13-4
How filter sets work ........................................... 13-4
How individual filters work .................................. 13-6
Design guidelines ............................................ 13-10
Working with IP Filters and Filter Sets .......................... 13-11
Adding a filter set............................................. 13-12
Viewing filter sets ............................................ 13-15
Modifying filter sets.......................................... 13-16
Deleting a filter set .......................................... 13-16
A sample IP filter set........................................ 13-16
Firewall Tutorial ......................................................... 13-19
General firewall terms ...................................... 13-19
Basic IP packet components............................. 13-20
Basic protocol types......................................... 13-20
Firewall design rules ........................................ 13-21
Filter basics..................................................... 13-23
Example filters................................................. 13-24
LAN IP Filtersets .............................................. 13-27
RADIUS Client Support............................................... 13-30
RADIUS client configuration .............................. 13-30
Warning alerts ................................................. 13-32

viii Administration Guide
Chapter 14 — Monitoring Tools ...............................................14-1
Quick View Status Overview.......................................... 14-1
General status................................................... 14-2
Current status ................................................... 14-3
Status lights...................................................... 14-3
Statistics & Logs ......................................................... 14-4
Event Histories ............................................................ 14-4
WAN Event History ............................................. 14-5
Device Event History .......................................... 14-6
Voice Logs................................................................... 14-7
Voice Log .......................................................... 14-7
Voice Accounting Log.......................................... 14-7
IP Routing Table........................................................... 14-9
Served IP Addresses.................................................. 14-10
General Statistics ...................................................... 14-11
System Information.................................................... 14-13
SNMP ....................................................................... 14-13
The SNMP Setup screen................................... 14-14
SNMP traps..................................................... 14-15
Chapter 15 — Utilities and Diagnostics ...................................15-1
Ping ............................................................................ 15-2
Trace Route................................................................. 15-4
Telnet Client ................................................................ 15-5
Disconnect Telnet Console Session............................... 15-6
Factory Defaults .......................................................... 15-6
Transferring Configuration and Firmware Files with TFTP.. 15-7
Updating firmware.............................................. 15-7
Downloading configuration files ........................... 15-8
Uploading configuration files ............................... 15-9
Transferring Configuration and Firmware Files with
XMODEM................................................................... 15-10
Updating firmware............................................ 15-10

Contents ix
G
Downloading configuration files ......................... 15-11
Uploading configuration files ............................. 15-12
Restarting the System ............................................... 15-12
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 4752 to Factory Defaults......... A-3
Power Outages .............................................................. A-3
Technical Support .......................................................... A-4
How to reach us .................................................. A-4
Appendix B — About SDSL ........................................................B-1
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
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 — Binary Conversion Table......................................D-1
Appendix E — Further Reading.................................................. E-1

x Administration Guide
Appendix F — Technical Specifications and Safety Information... F-1
Description.................................................................... F-1
Power requirements ............................................. F-1
Environment ........................................................ F-1
Software and protocols ........................................ F-1
Agency Approvals........................................................... F-2
Regulatory notices ............................................... F-2
Important Safety instructions ............................... F-4
Netopia 4752 Specifications .......................................... F-5
Physical interface ................................................ F-5
Data features ...................................................... F-5
Hardware specifications ....................................... F-7
Voice features ..................................................... F-7
Glossary
Index
Limited Warranty and Limitation of Remedies