3Com WL-540A, WL-540B, 3CRWE754G72-A, 3CRWE754G72-B manual Troubleshooting

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	Access Control			54
	URL Blocking			56
	Schedule Rule			57
	MAC Address Filtering					59
	DMZ	60
	Advanced		60
	SNMP	63
	SNMP Community				63
	SNMP Trap		64
	System Tools		65
	Restart Router			65
	Reset to Factory Default					65
	Backup/Restore Settings					66
	Upgrade		66
	Admin Password 67
	Time and Time Zone				68
	Status and Logs			69
	ADSL Status			69
	Logs	69

6 TROUBLESHOOTING
	Basic Connection Checks					71
	Browsing to the Router Configuration Screens 71
	Connecting to the Internet					72

Forgotten Password and Reset to Factory Defaults 72

Wireless Networking 73

Recovering from Corrupted Software 74

Frequently Asked Questions 75

AIP ADDRESSING

The Internet Protocol Suite 77

Managing the Router over the Network 77 IP Addresses and Subnet Masks 77

How does a Device Obtain an IP Address and Subnet Mask? 79

DHCP Addressing	79
Static Addressing	79
Auto-IP Addressing	79

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Contents OfficeConnect Adsl Wireless 11g Firewall Router User Guide 3Com Corporation Campus Drive Marlborough, MA USA Contents Running the Setup Wizard Troubleshooting Technical Specifications About this Guide Pddtechpubscomments@3com.com ConventionsDocument to 3Com at Configure your Router About this Guide Firewall Router Wireless11gOfficeConnect Adsl Example Network Without a Gateway Router Advantages Minimum System Component Requirements Power LED GreenFront Panel DSL Sync LED GreenWireless Antennae Wireless LAN Wlan Status LED GreenRear Panel Four LAN Status LEDsAdsl Port Reset ButtonPower Adapter Socket Positioning the Router Safety InformationIntroduction Router Powering UpConnecting Either Connecting the GatewayInstalling with a splitter Installing without a splitter Hardware Installation Obtaining an IP Address Automatically Setting UP Your ComputersLocal Area Properties Screen Restart your computerWindows 95/98/ME Windows XPFrom the Windows Start menu, select Control Panel Proxy SoftwareWizard AccessingRouter Login Screen Accessing the Wizard PPPoE Screen PPPoE ModeRFC1483 Routed Mode PPPoA ModeRFC1483 Routed Configuration Screen RFC1483 Bridged ModeRFC1483 Bridged Configuration Screen Running the Setup Wizard Navigating ConfigurationThrough the Router PagesLAN Setup LAN Setup Dhcp Clients List Dhcp Clients List Screen Wireless Settings Screen WirelessEncryption Encryption Screen WPA-PSK no server WPA-PSK no server Screen Bit WEP 128-bit WEP Screen WPA with Radius Server Screen ServerConnection Type Connection Type Screen Internet Settings PPPoA PPPoA Settings Screen Single PC Enter a value of 0 to disable this timeout Click ApplySupports the following routing functionality RoutingStatic Routing RIP Routing Information Protocol RIP allows the networkRouting Disabled RIP is not enabled for the WAN or LAN interface Select the Operation ModeRouting Table Screen FirewallSpecial Applications Special Applications Screen Virtual Servers Virtual Servers Screen Access Control Access Control Screen Add PC Screen Click OK to add the settingsURL Blocking URL Blocking Screen Click Add Rule Add Schedule Rule Screen MAC Address Filtering Screen FilteringDMZ DMZ Screen Universal Plug and Play Remote AdminNAT Enable WAN Ping Blocking Remote AdministrationSnmp Community Agent installedSnmp Simple Network Management Protocol allows remote Snmp Trap Snmp Trap Screen Default Perform certain administrative functionsSystem Tools Restart RouterSettings Admin Password Admin Password Screen Time and Time Zone Time and Time Zone screen This screen shows modem status and statistics Router Configuration Checks Browsing to the Router Configuration ScreensBasic Connection Forgotten Password Connecting toReset to Factory DefaultsNetworking Troubleshooting How do I reset the Router to Factory Defaults? Frequently Asked QuestionsHow many wireless clients does the Router support? How many computers on the LAN does the Router support?Does the Router support virtual private networks VPNs? Where can I download software updates for the Router?Managing the Router over the Network Protocol SuiteInternet protocol suite consists of a well-defined set TCP working together. TCP/IP is an internationally adoptedType Two Type OneHow does a Device Obtain an IP Address and Subnet Mask? Appendix a IP Addressing Wlan Interfaces OfficeConnect Adsl Wireless 11g Firewall RouterInterfaces Power Operating TemperatureDimensions WeightMaximum cable length of 100m 327.86 ft System Requirements Operating SystemsAppendix B Technical Specifications Important Safety Information Safety InformationWichtige Sicherheitshinweise Consignes Importantes de Sécurité Appendix C Safety Information 3Com Corporation AgreementAppendix D END User Software License Agreement Services Product to Gain Service BenefitsRegister Your PurchaseDownloads Access SoftwareContact Us Telephone TechnicalAustralia 800 678 Philippines Published 16th July Glossary Glossary Ethernet Address See MAC address Glossary Glossary Traffic The movement of data packets on a network Area Glossary Index Index FCC Statement ChannelsLocal regulatory agencies You are locatedModel Description 3CRWE754G72-A/B ConformityEurope CE StatementRF Exposure Compliance Statement U.S108 Page DUA0075-4AAA01 Rev