3Com 3CRWE52196 manual Frequently Asked Questions, How do I reset the Gateway to Factory Defaults?

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80CHAPTER 6: TROUBLESHOOTING

1Remove power from the Gateway and disconnect the Cable/DSL modem and all your computers, except for the one computer with the software image.

2You will need to reconfigure this computer with the following static IP address information:

■IP address: 192.168.1.2

■Subnet mask: 255.255.255.0

■Default Gateway address: 192.168.1.1

3Restart the computer, and re-apply power to the Gateway.

4Using the Web browser on the computer, enter the following URL in the location bar:

http://192.168.1.1.

This will connect you to the Microcode Recovery utility in the Gateway.

5Follow the on-screen instructions. Enter the path and filename of the software image file.

6When the upload has completed, the Gateway will restart, run the self-test and, if successful, resume normal operation. The Alert LED will go out.

7Refer to the Installation Guide to reconnect your Gateway to the Cable/DSL modem and the computers in your network. Do not forget to reconfigure the computer you used for the software upload.

If the Gateway does not resume normal operation following the upload, it may be faulty. Contact your supplier for advice.

Frequently Asked Questions

How do I reset the Gateway to Factory Defaults?

See “Forgotten Password and Reset to Factory Defaults” on page 76.

How many computers on the LAN does the Gateway support?

A maximum of 253 computers on the LAN are supported.

How many wireless clients does the Wireless Cable/DSL Gateway support?

A maximum of 32 wireless clients are supported.

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Contents OfficeConnect 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Running the Setup Wizard Using Discovery Page About this Guide Conventions Pddtechpubscomments@3com.comConventions About this Guide Cable/DSL Gateway WirelessOfficeConnect Example Network Without a Gateway Gateway Advantages Alert LED Orange Minimum System Component RequirementsFront Panel Power LED Green Four LAN Status LEDsWireless LAN Wlan Status LED Wireless AntennaeRear Panel Cable/DSL Status LEDFour 10/100 LAN ports Power Adapter SocketEthernet Cable/DSL port Introducing the Gateway Positioning the Gateway Safety InformationIntroduction Wall Mounting 25 mm 1 in. clearancePptp User Name Pptp Password Pptp Server Address Powering Up Connecting the Gateway Hardware Installation Setting UP Your Computers Obtaining an IP Address AutomaticallyRestart your computer Windows XP Windows 95/98/MESoftware Disabling PPPoEPptp Client Accessing WizardGateway Login Screen Welcome Screen Click Next to display the Time Zone setup screen Figure WAN Settings Internet Settings Screen PPPoE Mode PPPoE ScreenDynamic IP Address Mode Hostname ScreenStatic IP Mode Static IP Mode ScreenPptp Mode Enter your Primary DNS Address and Secondary DNS addressLAN Settings LAN IP Address Screen Wireless Configuration Screen Summary Configuration Summary Screen Configuration NavigatingThrough GatewayGetting Help Changing the Administration Password LAN Settings Unit ConfigurationLAN Settings Enable Wireless Networking Channel SelectionService Area Name/SSID Disable Broadcast SsidWireless Encryption Type Encryption Keys Gateway Configuration Authorised Wireless PCs Connection Control Detail ScreenModifying a MAC Address Deleting a MAC AddressClient List Client List ScreenProfile Name Service Area Name/SSID of the GatewayEncryption settings from the Gateway Static IP Address DSL or Cable Dynamic IP Address DSL or CablePPPoE DSL only Pptp DSL or CableGateway Configuration Static IP Address Connection Parameters Screen Static IPDynamic IP Address Connection Parameters Screen Dynamic IPPPPoE Setup Screen PPP over EthernetPptp Firewall Virtual DMZVirtual Servers Settings Screen Virtual ServerSpecial Applications Special Applications Screen Click Add to save your settings Click PCs access authorized services only Gateway Configuration Security Screen Enabling Remote Administration System Tools RestartBackup Configuration Restore Configuration DataReset to Factory Default Status and Logs Status and Logs ScreenSupport Support Screen Gateway Configuration Checks Browsing to the Gateway Configuration ScreensBasic Connection Connecting to Forgotten PasswordReset to Factory DefaultsWireless Networking Troubleshooting Recovering from Alert LEDHow many computers on the LAN does the Gateway support? Frequently Asked QuestionsHow do I reset the Gateway to Factory Defaults? What other online resources are there? Where can I download software upgrades for the Gateway?Does the Gateway support virtual private networks VPNs? Troubleshooting Windows Installation 95/98/2000/Me/NT RunningDiscovery ApplicationDiscovered Gateway Screen Protocol Suite Managing the Gateway over the NetworkType One Type TwoHow does a Device Obtain an IP Address and Subnet Mask? Appendix B IP Addressing Cable/DSL Gateway Interfaces EMC System Requirements Operating SystemsWireless Cable/DSL Interfaces Gateway Wlan InterfaceFCC Part 15 Class B Maximum cable length of 100m 327.86 ft Appendix C Technical Specifications Safety Information Important Safety InformationWichtige Sicherheitshinweise Consignes importantes de Appendix D Safety Information Agreement 3Com CorporationAppendix E END User Software Licence Agreement ISP Information Information Regarding Popular ISPsDrizzle, DSL Extreme, Earthlink Glossary Glossary Ethernet Address See MAC address Glossary Glossary Traffic The movement of data packets on a network Area Glossary Index Ping FCC Statement FCC DeclarationConformity Model DescriptionCE Statement EuropeCSA Statement Bsmi Statement Vcci StatementRegulatory Notices for Wireless CABLE/DSL Gateway ChannelsHow to Identify and Resolve Radio-TV Interference Problems Model Description 3CRWE52196Bsmi Statement RF Exposure Compliance Page All specifications are subject to change without notice