3com OCG VOICE EXPANSION - Manuale utente

http://www.3com.com/

OfficeConnect

®

Gateway

Users Guide

Release 1.0

Part No. 10042307 Rev AA

ii

3Com Corporation

5400 Bayfront Plaza

Santa Clara, California

95052-8145

reproduced in any form or by any means or used to make any derivative work (such as translation,

transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from

time to time without obligation on the part of 3Com Corporation to provide notification of such revision or

change.

3Com Corporation provides this documentation without warranty of any kind, either implied or expressed,

including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

3Com may make improvements or changes in the product(s) and/or the program(s) described in this

documentation at any time.

UNITED STATES GOVERNMENT LEGENDS:

If you are a United States government agency, then this documentation and the software described herein

are provided to you subject to the following:

United States Government Legend: All technical data and computer software is commercial in nature

and developed solely at private expense. Software is delivered as Commercial Computer Software as defined

in DFARS 252.227-7014 (June 1995) or as a commercial item as defined in FAR 2.101(a) and as such is

provided with only such rights as are provided in 3Com’s standard commercial license for the Software.

Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or

FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any

legend provided on any licensed program or documentation contained in, or delivered to you in conjunction

with, this Guide.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may

not be registered in other countries.

3Com and the 3Com logo are registered trademarks of 3Com Corporation.

Microsoft is a registered trademark of Microsoft Corporation.

Other brand and product names may be registered trademarks or trademarks of their respective holders.

1

Table of Contents

ABOUT THIS GUIDE

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

How to Use This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

CHAPTER 1 — INTRODUCING THE OFFICECONNECT

®

GATEWAY

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

Introducing the OfficeConnect Gateway Product Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

OfficeConnect Gateway Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

OfficeConnect Gateway Data

and Voice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

OfficeConnect Gateway Voice Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

What Can the OfficeConnect Gateway do? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Virtual Private Networks (VPNs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Voice over DSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Small-business VoDSL solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 7

OfficeConnect Gateway Integration with an NBX system or traditional PBX/Key system . . . 1-8

Key Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Minimum System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

CHAPTER 2 — GETTING STARTED IN A STATIC IP ENVIRONMENT

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Using the Gateway in a Static IP Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Setup Steps for a Static Workstation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

For Windows 95 and 98 Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

For Windows 2000 Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

CHAPTER 3 — USING THE OFFICECONNECT GATEWAY

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

Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Accessing the OfficeConnect Gateway web page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

OfficeConnect Gateway Menu Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

OfficeConnect Gateway Web page Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

2

Configuring the OfficeConnect Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5

Monitoring OfficeConnect Gateway Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

View OfficeConnect Gateway Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Access Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

LogOff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

SaveAll . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

CHAPTER 4 — ADMINISTRATION

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

Accessing the Administration Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Login Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Types of User Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Creating User Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Modify a User Account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Delete a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Web Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Creating Web Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Modifying a Web Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Deleting a Web Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Launching a Web Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

CHAPTER 5 — LAN CONFIGURATION

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

Accessing the LAN Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Normal LAN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Advanced LAN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

CHAPTER 6 — WAN CONFIGURATION

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Supported WAN Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

ATM (Asynchronous Transfer Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

PPP (Point-to-Point Protocol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2

Accessing the WAN Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3

3

Configuring RFC 1483 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

RFC 1483 Dynamic Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

RFC 1483 Static Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Configuring RFC 1483-MER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

RFC 1483-MER Static Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Forwarding Mode: Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Forwarding Mode: Bridging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

Configuring PPP-based WANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12

PPP Configuration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13

Modifying Your WAN Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

Deleting Your WAN Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16

CHAPTER 7 — VOICE CONFIGURATION

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Accessing the Voice Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

CHAPTER 8 — ADVANCED CONFIGURATION FEATURES

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Accessing the Advanced Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

DNS Server Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

NAT/PAT Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Using NetMeeting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

To Create a NAT Static or Dynamic Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

To Create a PAT Static Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

To Create a PAT Dynamic Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8

To Modify a NAT/PAT Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8

To Delete a NAT/PAT Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

Firewall Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

Firewall Level: None . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

Firewall Level: Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

Firewall Level: Custom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13

Modifying a Custom Packet Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17

Deleting a Custom Packet Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18

VPN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19

To Create a VPN Configuration using PPTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20

Terminator Tunnel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21

4

Initiator Tunnel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21

To Create a VPN Configuration using IPSec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22

Configuring Your IPSec Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24

To Create a VPN Configuration using L2TP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-26

Terminator Tunnel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26

Initiator Tunnel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-28

To Modify a VPN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-30

To Delete a VPN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31

VPN Route Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31

To Create a VPN Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32

To Modify a VPN Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-33

To Delete a VPN Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-33

IP Pool Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-33

To Create an IP Address Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-34

To Modify an IP Address Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-35

To Delete an IP Address Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-36

CHAPTER 9 — MANAGEMENT FEATURES

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

Backup and Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

Command Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4

To Create a Command Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

To Modify a Command Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

To Delete a Command Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

Console Telnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

Reboot System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7

Restore Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8

Software Upload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9

CHAPTER 10 — STATISTICS

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

LAN Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

Display Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

Incremental Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

Accumulative Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

5

DSL Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

ADSL Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

Display Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

Incremental Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

Accumulative Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

DSL Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

CHAPTER 11 — VIEW SETTINGS

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

Accessing the View Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

View System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

View Administration Settings (Web Links) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3

View Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4

IP Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4

IP Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4

IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5

View Advanced Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

Data PVCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7

NAT Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7

NAT Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8

VPN Tunnels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9

Tunnel SAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9

CHAPTER 12 — TROUBLESHOOTING

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

Checking the Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2

Using the OfficeConnect Gateway web pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2

Monitoring the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3

LAN Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5

OfficeConnect Gateway Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-6

WAN Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7

Voice Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7

General Network Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-8

IP Network Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-9

Application Software Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-10

6

Contacting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-11

APPENDIX A — SAFETY INFORMATION

Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A- 2

Wichtige Sicherheitsinformationen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

Important notice de securite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-4

Medidas de seguridad importantes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6

Informazioni importanti per la sicurezza . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7

APPENDIX B — SPECIFICATIONS

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

General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

APPENDIX C — TECHNICAL SUPPORT

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

Support from Your Network Supplier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

Support from 3Com . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2

Returning Products for Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2

ABOUT THIS GUIDE

Introduction The OfficeConnect Gateway User’s Guide describes how to use the 3Com

OfficeConnect

®

Gateway ADSL (Asynchronous Digital Subscriber Line)

family of Integrated Access Devices (IADs).

The 3Com OfficeConnect Gateway family of IADs offers a complete

integrated voice and data solution ideally suited for small businesses. The

family provides high-speed Internet and corporate LAN (Local Area

Network) access and uses voice over DSL (VoDSL) to support multiple

toll-quality telephone lines.

The 3Com OfficeConnect Gateway ADSL product family described in this

guide consists of the following hardware platforms:

■ OfficeConnect Gateway Data (base unit)

■ OfficeConnect Gateway Data and Voice (base unit)

■ OfficeConnect Gateway Voice Expansion (expansion unit)

How to Use This

Guide

This table shows where to find specific information in this guide.

If you are looking for: Turn to:

An overview of the OfficeConnect Gateway

product family.

Chapter 1

Instructions on how to set up the OfficeConnect

Gateway for use in a Static IP environment.

Chapter 2

An overview of how to use the OfficeConnect

Gateway.

Chapter 3

Administration-related Information Chapter 4

LAN Configuration Information Chapter 5

WAN Configuration Information Chapter 6

ii ABOUT THIS GUIDE

This user guide and additional documentation for the OfficeConnect

Gateway product family are available in Adobe Acrobat Reader Portable

Document Format (PDF) on the 3Com World Wide Web site:

http://www.3com.com/

Voice Configuration Information Chapter 7

Information on how to configure the advanced

features of the OfficeConnect Gateway

Chapter 8

Information on managing the features of the

OfficeConnect Gateway

Chapter 9

LAN and DSL Statistics Chapter 10

System and Network Status Related Information Chapter 11

Troubleshooting Information Chapter 12

Product Safety Information Appendix A

Product Specifications Appendix B

Technical Support Appendix C

Warranty Information 3Com Limited Warranty

FCC Class A Information FCC Class A Statement

Conventions iii

Conventions Tabl e 1 and Table 2 list conventions used throughout this guide.

Table 2 Text Conventions

Table 1 Notice Icons

Icon Notice Type Description

Information Note Information that describes important features or

instructions

Caution Information that alerts you to potential loss of data or

potential damage to an application, system, or device

Warning Information that alerts you to potential personal injury

Convention Description

Screen displays This typeface represents information as it appears on the

screen.

Syntax The word “syntax” means that you must evaluate the syntax

provided and then supply the appropriate values for the

placeholders that appear in angle brackets. Example:

To add a login user, use the following syntax:

Add user <name> password <password>

In this example, you must supply a user name for <name>

and a password for <password>.

Commands The word “command” means that you must enter the

command exactly as shown and then press Return or Enter.

Commands appear in bold. Example:

To view the current login users, use the command:

list users

The words “enter”

and “type”

When you see the word “enter” in this guide, you must type

something, and then press Return or Enter. Do not press

Return or Enter when an instruction simply says “type.”

Keyboard key names If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+). Example:

Press Ctrl+Alt+Del

iv ABOUT THIS GUIDE

Words in italics Italics are used to:

■ Emphasize a point.

■ Denote a new term at the place where it is defined in the

text.

■ Identify menu names, menu commands, and software

button names. Examples:

From the Help menu, select Contents.

Click OK.

Convention Description

1

INTRODUCING THE

OFFICECONNECT

®

GATEWAY

Overview Welcome to the 3Com OfficeConnect

®

Gateway, a family of Integrated

Access Devices (IADs), that supports the convergence of voice and data

over existing single-pair copper wiring. The OfficeConnect Gateway

family provides high-speed Internet and corporate LAN (Local Area

Network) access and uses voice over DSL (VoDSL) to support multiple

toll-quality telephone lines.

This chapter provides an overview of the OfficeConnect Gateway product

family. The information in this chapter is organized as follows:

■ Introducing the OfficeConnect Gateway Product Family

■ What Can the OfficeConnect Gateway Do?

■ Key Benefits

■ Minimum System Requirements

■ Specifications

Introducing the

OfficeConnect

Gateway Product

Family

The 3Com OfficeConnect Gateway family of IADs offers a complete

integrated voice and data solution ideally suited for small businesses. Two

types of base units and a voice expansion unit combine to provide a

scalable solution of up to 12 derived voice lines. (Note: The actual

number of voice lines supported by the OfficeConnect Gateway is

dependent on the actual DSL line rate.)

The OfficeConnect Gateway product family consists of the following

hardware platforms:

■ OfficeConnect Gateway Data (base unit)

■ OfficeConnect Gateway Data and Voice (base unit)

■ OfficeConnect Gateway Voice Expansion (expansion unit)

1 - 2 CHAPTER 1: INTRODUCING THE OFFICECONNECT

®

GATEWAY

OfficeConnect

Gateway Data

The OfficeConnect Gateway Data base unit provides users with

integrated high-speed Internet and corporate LAN (Local Area Network)

data services access over an ADSL telephone line. The unit’s Expansion

Port provides users with voice capability when configured with the

optional OfficeConnect Gateway Voice Expansion unit.

When the base unit is configured with the Voice Expansion unit, up to

eight voice lines can be supported. The Expansion unit connects directly

into the Expansion Port on the rear side of the Data base unit.

Front and rear views of the OfficeConnect Gateway Data base unit are

shown in the following illustrations.

Front view of OfficeConnect Gateway Data base unit

Rear view of OfficeConnect Gateway Data base unit

Introducing the OfficeConnect Gateway Product Family 1 - 3

OfficeConnect

Gateway Data

and Voice

The OfficeConnect Gateway Data and Voice base unit provides users with

integrated high-speed Internet and corporate LAN (Local Area Network)

data and voice services access over an ADSL telephone line. The base unit

supports up to four voice lines.

The unit’s Expansion Port provides users with additional voice capability

when used with the optional OfficeConnect Gateway Voice Expansion

unit. The Expansion unit connects directly into the Expansion Port on the

rear side of the Data and Voice base unit. The combination of the Data

and Voice base unit and the Voice Expansion unit provides support for up

to 12 voice lines.

Front and rear views of the OfficeConnect Gateway Data and Voice base

unit are shown in the following illustrations.

Front view of OfficeConnect Gateway Data and Voice base unit

Rear view of OfficeConnect Gateway Data and Voice base unit

1 - 4 CHAPTER 1: INTRODUCING THE OFFICECONNECT

®

GATEWAY

OfficeConnect

Gateway Voice

Expansion

The OfficeConnect Gateway Voice Expansion unit provides small

businesses with the flexibility required to meet expanding VoDSL needs.

When configured with the OfficeConnect Gateway Data base unit, the

Expansion unit provides VoDSL capability for up to eight voice lines.

When configured with the OfficeConnect Gateway Data and Voice base

unit, the Expansion unit provides added flexibility to meet expanding

VoDSL business needs for up to 12 voice lines.

Front and rear views of the OfficeConnect Gateway Voice Expansion unit

ares shown in the following illustrations.

Front view of OfficeConnect Gateway Voice Expansion unit

Rear view of OfficeConnect Gateway Voice Expansion unit

What Can the OfficeConnect Gateway do? 1 - 5

What Can the

OfficeConnect

Gateway do?

The 3Com OfficeConnect Gateway family of IADs offers a complete

integrated voice and data solution ideally suited for small businesses. The

product family lets small and midsize businesses maximize the economy

of their DSL broadband Internet connections by transmitting voice and

data across wide area networks (WANs). These products function as

integrated access devices (IADs) that sit at the edge of the business

network.

The OfficeConnect Gateway combines signals from business phone

systems with data from PCs and other computers, and merges them for

transmission to the Internet and to the public switched telephone

network (PSTN). The OfficeConnect Gateway supports voice features

such as call forwarding, caller ID, and three-way calling, plus

data-networking features such as VPN initiation and termination, as well

as encryption and advanced fire wall filtering. In addition, you can add

the 3Com OfficeConnect Gateway Voice Expansion unit to either of the

OfficeConnect Gateway base units so that you can scale to 4,8 or 12

simultaneous voice lines by combining different units.

■ By integrating voice and data over DSL broadband, the OfficeConnect

Gateway family greatly reduces the costs associated with leasing

multiple telephone lines

■ The OfficeConnect Gateway Data-only base unit contains a built-in

voice expansion interface so users can choose to add voice capability

whenever their application needs change.

■ The OfficeConnect Gateway family employs voice-over DSL (VoDSL)

technology, plus ATM QoS (Quality of Service) support with dynamic

bandwidth allocation, to optimize high voice quality.

■ Easy-to-use Web-based interface and HTML/SNMP/Telnet access

simplify local management and facilitate remote configuration and

management.

■ Robust VPN support includes tunnel initiation/termination for up to 16

tunnels, plus hardware-supported IPSec processing to speed VPN data

encryption.

■ Continuous high-speed Internet and remote LAN access are delivered

via the DSL interface and autosensing 10/100 BASE-T-LAN port.

■ The OfficeConnect Gateway supports full-featured TCP/IP routing,

advanced address translation, and multiple transport protocols,

1 - 6 CHAPTER 1: INTRODUCING THE OFFICECONNECT

®

GATEWAY

including PPP over Ethernet (PPPoE), PPP over ATM (PPPoA), and

multi-protocol encapsulation over ATM.

Virtual Private

Networks (VPNs)

The full-featured virtual private networking (VPN) functionality of the

OfficeConnect Gateway gives remote offices and telecommuters secure

access to corporate LANs. VPN support is provided through the initiation

and termination of IPSec, PPTP, and L2TP tunnels. The OfficeConnect

Gateway supports up to 16 simultaneous VPN tunnels. Dedicated

hardware acceleration provides high-performance IPSec tunnels.

VPN technology is based on a tunneling strategy. Tunneling involves

encapsulating packets constructed in a base protocol format within some

other protocol. For VPNs that are run over the Internet, packets in one of

several VPN protocol formats are encapsulated within IP packets.

Voice over DSL VoDSL combines asynchronous transfer mode (ATM) with DSL service to

deliver voice and data services over a single copper line. The different

attributes of DSL technology and ATM functionality work well together.

DSL links are ideally suited for voice and data integration. ATM can

simultaneously carry voice and data traffic.

VoDSL is usually provisioned as an overlay to a DSL broadband access

network. A VoDSL implementation requires several additional

components. A voice gateway resides at the service provider’s central

office near a PSTN (Public Switched Telephone Network) telephone switch

(Class 5 Switch) and serves as the bridge between the circuit-based voice

switch and the packet-based DSL network. An IAD, located at each

customer premises, is connected to the DSL circuit. The device manages

voice services via analog POTS ports and Internet service through an

Ethernet port. Existing telephone and LAN equipment interconnect with

the IAD.

The IAD converts LAN and voice data to ATM cells and transmits the data

over the DSL link to the service provider’s network. The DSLAM

aggregates traffic coming from individual lines; encapsulated voice traffic

is sent to the voice gateway and the data traffic is carried as packet or cell

to its final destination, an ISP or corporate network. The voice gateway

converts the voice traffic to conventional voice signals and sends it to a

Class 5 voice switch.

An example of a typical VoDSL implementation is shown in the following

illustration.

What Can the OfficeConnect Gateway do? 1 - 7

Typical VoDSL Implementation

Small-business VoDSL solution

The 3Com OfficeConnect Gateway delivers multiple toll-quality voice

lines, high-speed Internet, and corporate LAN access cost-effectively to

small businesses. Plus, it’s easy to add other popular OfficeConnect

solutions to the network, including switches, hubs, firewalls, network

storage servers, wireless access points, and Internet servers. The following

illustration shows an example of a small-business VoDSL implementation.

1 - 8 CHAPTER 1: INTRODUCING THE OFFICECONNECT

®

GATEWAY

OfficeConnect Gateway Integration with an NBX system or

traditional PBX/Key system

The OfficeConnect Gateway can easily be integrated with a 3Com NBX

25 Communications system or traditional PBX/Key system. The 3Com

NBX 25 communications system’s analog ports are plugged into the four

FXS ports of the OfficeConnect Gateway base unit. By combining these

systems, users have access to toll-quality voice services as well as the

feature-rich call processing function of the NBX system. The

OfficeConnect Gateway works similarly with either a PBX or Key system.

The following illustration shows an implementation to support an NBX

system.

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