3Com 3CR856-95 USING DISCOVERY

USING DISCOVERY

Running the Discovery Application

3Com provides a user-friendly Discovery application for detecting

the OfficeConnect Cable/DSL Secure Gateway on the network.

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

1Insert the Gateway CD-ROM in the CD-ROM drive on your

computer. A menu will appear; select Gateway Discovery.

Discovery will find the Gateway even if it is unconfigured or

misconfigured.

Figure 67 Discovery Welcome Screen

2When the Welcome screen is displayed click on Next and wait

until the application discovers the Gateways connected to your

LAN.

Figure 68 Discovered Gateway

In Figure 68 the serial number of the unit has been replaced with

xxxxxx.

dua08569-5aaa02.boo k Pag e 71 Thursday , Novem ber 7, 2002 3:09 PM

Contents

Main 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 C 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)