3com 3CR856-95 User Manuals

Table of Contents

• Contents

  3
• About This Guide

  7
  • Naming Convention

    7
  • Conventions

    7
• Introducing the OfficeConnect Cable/DSL Secure Gateway

  9
  • OfficeConnect Cable/DSL Secure Gateway

    9
  • Cable/DSL Secure Gateway Advantages

    10
  • Package Contents

    11
  • Minimum System and Component Requirements

    11
  • Front Panel

    12
  • Rear Panel

    13
• Installing the Gateway

  15
  • Introduction

    15
  • Positioning the Gateway

    15
    • Safety Information

      15
    • Using the Rubber Feet

      15
  • Before you Install your Gateway

    15
    • PPPoE

      16
    • DHCP

      16
    • Static

      16
  • Powering Up the Gateway

    16
  • Connecting the Cable/DSL Secure Gateway

    16
• Setting Up Your Computers

  19
  • Obtaining an IP Address Automatically

    19
    • Windows 2000, XP

      19
    • Windows 95, 98, ME

      20
    • Macintosh OS 8.5, 9.x

      20
  • Disabling PPPoE Client Software

    20
• Running the Setup Wizard

  23
  • Accessing the Wizard

    23
    • Setting the Password

      24
    • Setting the Time Zone

      25
    • Auto-Configuration Settings

      25
    • Internet Settings

      26
    • Choosing your LAN Settings

      29
    • Activating DHCP

      29
    • Viewing the Summary

      30
• Gateway Configuration

  33
  • Navigating Through the Gateway Configuration Pages

    33
    • Main Menu

      33
    • Option Tabs

      33
  • Welcome Screen

    34
    • Viewing the Notice Board

      34
    • Changing the Administration Password

      34
    • Setup Wizard

      35
  • LAN Settings

    35
    • LAN IP settings

      35
    • DHCP Clients List

      36
  • Internet Settings

    37
    • Connection to ISP

      37
    • Setting up NAT

      41
  • Configuring the Firewall

    43
    • The Virtual Servers Menu

      43
    • PC Privileges

      45
    • Special Applications

      47
    • Advanced

      49
  • Configuring VPN

    50
    • Setting the VPN Mode

      50
    • Configuring IPSec Connections

      51
    • Setting PPTP End Points

      54
    • Configuring PPTP Users

      55
  • Accessing the System Tools

    56
    • Restart

      56
    • Time Zone

      57
    • Loading and saving the Gateway Configuration

      58
    • Upgrading the firmware of your Gateway

      58
  • Viewing Status and Logs

    59
  • Obtaining Support for your Gateway

    60
• Troubleshooting

  61
  • Basic Connection Checks

    61
  • Browsing to the Gateway Configuration Screens

    61
  • Connecting to the Internet

    61
  • Forgotten Password

    62
  • Alert LED

    62
  • Recovering from Corrupted Software

    63
  • Frequently Asked Questions

    63
• Using Discovery

  65
  • Running the Discovery Application

    65
    • Windows Installation (95/98/2000/Me/NT)

      65
• IP Addressing

  67
  • The Internet Protocol Suite

    67
  • How does a Device Obtain an IP Address and Subnet Mask?

    68
    • DHCP Addressing

      68
    • Static Addressing

      68
    • Auto-IP Addressing

      68
  • Private IP Addresses

    69
• Technical Specifications

  71
  • Interfaces

    71
  • Operating Temperature

    71
  • Power

    71
  • Humidity

    71
  • Dimensions

    71
  • Weight

    71
  • Standards

    71
  • System Requirements

    72
    • Operating Systems

      72
  • Ethernet Performance

    72
  • Cable Specifications

    72
• Safety and Regulatory Statements

  73
  • Important Safety Information

    73
  • Wichtige Sicherheitshinweise

    73
  • Consignes importantes de sécurité

    74
• End User Software Licence Agreement

  77
  • 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT

    77
• ISP Information

  79
  • Information Regarding Popular ISPs

    79
• Glossary

  81
• Index

  87
• Regulatory Notices

  93