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Contents
Main
3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145
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Page
Page
Page
ABOUT THIS GUIDE
Naming Convention
Conventions
Icon Notice Type Description
Convention Description
Feedback about this User Guide
Convention Description
Related Documentation
Product Registration
INTRODUCING THE OFFICECONNECT CABLE/DSL SECURE GATEWAY
OfficeConnect Cable/DSL Secure Gateway
Cable/DSL Secure Gateway Advantages
Package Contents
Minimum System and Component Requirements
Front Panel
1 Alert LED (Orange)
Off Flashing quickly
Flashing slowly (Two seconds on, two seconds off)
On for 2 seconds, and then off
Rear Panel
5 Power Adapter socket
6 Ethernet Cable/DSL port
7 Four 10/100 LAN ports
Page
INSTALLING THE GATEWAY
Introduction
Positioning the Gateway
Safety Information
Using the Rubber Feet
PPPoE
PPTP
DHCP
Static
Powering Up the Gateway
Connecting the Cable/DSL Secure Gateway
Page
SETTING UP YOUR COMPUTERS
Obtaining an IP Address Automatically
Windows 2000, XP
Windows 95, 98, ME
Macintosh OS 8.5, 9.x
Disabling PPPoE and PPTP Client Software
Disabling Web Proxy
Page
RUNNING THE SETUP WIZARD
Accessing the Wizard
Setting the Password
Setting the Time Zone
Auto-Configuration Settings
Internet Settings
Static IP Mode
Dynamic IP Address Mode
PPPoE Mode
PPTP Mode
Choosing your LAN Settings
Activating DHCP
Viewing the Summary
Page
GATEWAY CONFIGURATION
Navigating Through the Gateway Configuration Pages
Main Menu
Option Tabs
Getting Help
Welcome Screen
Viewing the Notice Board
Changing the Administration Password
Setup Wizard
LAN Settings
LAN IP Settings
Changing the LAN Settings
Changing the DHCP Server Settings
DHCP Clients List
Internet Settings
Connection to ISP
Configuring a Static IP Address
Configuring a Dynamic IP Address
Configuring a PPPoE connection
Configuring a PPTP connection
Setting up NAT
Page
Setting up One-to-One NAT
Configuring the Firewall
The Virtual Servers Menu
Creating a Virtual DMZ
Creating a Virtual Server
PC Privileges
To use access control for all computers:
To assign different access rights for different computers:
Example:
Special Applications
Adding and Editing Special Applications
Creating Custom Special Applications
Page
Advanced
Configuring VPNs
Setting the VPN Mode
IPSec Configuration
L2TP Configuration
PPTP Configuration
Viewing VPN Connections
Adding and Editing VPN Connections
I
IPSec Connections using Gateway to Gateway
Example:
L2TP over IPSec Connections
PPTP Connections
Editing IPSec Routes
Accessing the System Tools
Restart
Time Zone
Loading and Saving the Gateway Configuration
Upgrading the Firmware of your Gateway
Viewing Status and Logs
Page
Page
T
Basic Connection Checks
Browsing to the Gateway Configuration Screens
Connecting to the Internet
Forgotten Password
Alert LED
Recovering from Corrupted Software
Frequently Asked Questions
USING DISCOVERY
Running the Discovery Application
Windows Installation (95/98/2000/Me/NT)
Page
IP A
The Internet Protocol Suite
IP Addresses and Subnet Masks
Type One
Device IP Address Subnet Mask
How does a Device Obtain an IP Address and Subnet Mask?
DHCP Addressing
Static Addressing
Device IP Address Subnet Mask
Auto-IP Addressing
Private IP Addresses
Page
T
Interfaces
Operating Temperature
Power
Humidity
System Requirements
Operating Systems
Ethernet Performance
Cable Specifications
SAFETY INFORMATION
Important Safety Information
Wichtige Sicherheitshinweise
Consignes importantes de scurit
Page
Page
END USER SOFTWARE LICENCE AGREEMENT
3Com Corporation END USER SOFTWARE LICENSE AGREEMENT
Page
ISP I
Information Regarding Popular ISPs
Internet Connection Typ es
Characteristics Popular ISPs
Internet Connection Typ es
Page
G
10BASE-T
100BASE-TX
3DES
Auto-negotiation
Page
IETF
IP
IP Address
IPSec
ISP
Page
Page
Page
I
Numbers
A
B
C
E
F
G
H
I
L
M
N
O
P
R
S
T
U
V
W
Page
REGULATORY NOTICES
FCC Statement
VCCI Statement
Information to the User
CE Statement (Europe)