HP 100 -G Router manual Alert LED, Recovering from, Corrupted Software

Page 99

Alert LED 97

Alert LED

The Alert LED will flash when the Router unit is first powered up while

 

the system software checks the hardware for proper operation. Once

 

the Router has started normal operation, the Alert LED will go out.

 

If the Alert LED does not go out following start up, but illuminates

 

continuously, this indicates that the software has detected a possible

 

fault with the hardware. Remove power from the Router, wait 10

 

seconds and then re-apply power. If the Alert LED comes on

 

continuously again, then a fault has been detected. Locate the copy of

 

the Router software on the accompanying CD-ROM or 3Com web site

 

(http://www.3com.com) and upload it to the Router to see if this

 

clears the fault (refer to “Recovering from Corrupted Software” below).

 

If this does not fix the problem, contact your supplier for further advice.

 

During normal operation, you may notice the Alert LED lighting

 

briefly from time to time. This indicates that the Router has detected a

 

hacker attack from the Internet and has prevented it from harming your

 

network. You need take no specific action on this, unless you decide

 

that these attacks are happening frequently in which case you may

 

wish to discuss this with your ISP. The Router logs such attacks, and

 

this information is available through the Status and Logs screens.

 

 

Recovering from

If the Alert LED remains permanently on following power-up, it is

Corrupted Software

possible that the system software has become corrupted. In this

 

condition, the Router will enter a “recovery” state; DHCP is disabled,

 

and the LAN IP address is set to 192.168.1.1. Follow the instructions

 

below to upload a new copy of the system software to a Router unit in

 

this state.

 

Ensure that one of your computers has a copy of the new software

 

image file stored on its hard disk or available on CD-ROM.

 

The latest software is available on 3Com’s Web site at:

 

www.3com.com.

1Remove power from the Router 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:

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Contents OfficeConnect 3Com Corporation Campus Drive Marlborough, MA USA Contents Running the Setup Wizard RIP DNS Ddns DSL Using the 3COM Discovery Tool Page Page Convention NamingGuide ConventionsPddtechpubscomments@3com.com About this Guide Firewall Router Adsl WirelessOfficeConnect 108Mbps 11gExample Network Without a Firewall Router Advantages Package ContentsIntroducing the Router Requirements Front PanelAlert LED Orange Power LED Green Wireless LAN Wlan Status LED YellowFour LAN Status LEDs Adsl port Wireless AntennaePower Adapter Socket Cable/DSL Status LEDPower Adapter OK LED Green Reset ButtonFour 10/100 LAN ports Router Safety InformationIntroduction PositioningWall Mounting Before you Install your Router Powering Up Order to be able to access the Internet. See Figure ConnectingHardware Installation Wizard AccessingWhen you have selected a country either Accessing the Wizard Wizard Screen Password Change Administration Password Screen ATM PVC Quality of ServiceATM Configuration screen PPPoE Screen PPPoE/PPPoA ModeEnable 802.1q MER screen MER ModeEnter your Primary DNS Address and Secondary DNS address IPoA ModeBridging Mode Screen Bridging ModeDhcp Wireless Settings Wireless Configuration Screen Summary Configuration Summary Screen Accessing the Wizard Running the Setup Wizard Obtaining an IP AddressAutomatically Restart your computer Select Internet Protocol TCP/IP and click on Properties Proxy SoftwarePages ConfigurationNavigating Through the RouterGetting Help Password Password Screen Changing the Administration Password Unit Configuration LAN Setup Screen LAN SettingsDhcp Lease Table Dhcp Lease Table Screen Enable Wireless Networking Wireless ModeChannel Selection Enable Broadcast Ssid Service Area Name/SSIDEncryption Encryption Screen Encryption Enter the Radius Server IP address Using the Radius ServerEncryption Keys Using Pre-Shared PassphraseTo set up WEP encryption WMM Screen Connection Control Connection Control Screen Settings Internet Settings Firewall Content FilterSpecial Applications Special Applications Screen To configure special applications Virtual DMZ Screen SPI Screen Policy Internet Access Policy ScreenRouter Configuration You can filter up to 4 keywords and URLs Restart System ToolsSystem Tools Backup Configuration Restore Configuration DataReset to Factory Default Advanced Routing The Routing-Default Gateway screen Static Route screen RIP screen Setting Up RIPDNS The DNS Screen DynDNS.org TZO.comAdvanced Router Configuration ALG The ALG Screen Router ManagementSnmp The Snmp Screen Trusted Station The Trusted Station Screen Diagnostics Screen DiagnosticsSummary Device InfoStatistics Statistics Screen ARP ARP Screen Support Support Screen Router Configuration Basic Connection ChecksBrowsing to Internet Connecting toForgotten Networking WirelessPower LED or Power Adapter OK LED Not Lit Troubleshooting Recovering from Alert LEDCorrupted Software Frequently Asked Questions How do I reset the Router to Factory Defaults?How many computers on the LAN does the Router support? Where can I download software updates for the Router? Does the Router support virtual private networks VPNs?What other online resources are there? Troubleshooting Router on the network RunningDiscovery ApplicationDiscovered Router Screen Network Protocol SuiteManaging Router overType Two Type OneDhcp Addressing How does a DeviceObtain an IP Subnet Mask?Appendix B IP Addressing Important Safety Information Safety InformationWichtige Sicherheitshinweise Consignes importantes de Appendix C Safety Information END User Software License Appendix D END User Software License Agreement Information Regarding Popular ISPs ISP InformationAppendix E ISP Information Glossary Glossary Ethernet Address See MAC address Glossary Glossary Glossary Glossary Area Glossary Glossary Agencies ChannelsExposure to Radio Frequency Radiation 127 128 129 UL Standard CAN/CSA C22.2 No IEC EU Compliance Brazil RF Compliance EU Restrictions for Use in the 2.4GHz band133 134 Index Vlan
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100 -G Router specifications

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