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

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

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 Green Wireless Antennae Wireless LAN Wlan Status LED GreenRear Panel Four LAN Status LEDs Adsl Port Reset ButtonPower Adapter Socket Positioning the Router Safety InformationIntroduction Router Powering UpConnecting Either Connecting the Gateway Installing with a splitter Installing without a splitter Hardware Installation Obtaining an IP Address Automatically Setting UP Your Computers Local Area Properties Screen Restart your computer Windows 95/98/ME Windows XPFrom the Windows Start menu, select Control Panel Proxy Software Wizard Accessing Router Login Screen Accessing the Wizard PPPoE Screen PPPoE Mode RFC1483 Routed Mode PPPoA Mode RFC1483 Routed Configuration Screen RFC1483 Bridged Mode RFC1483 Bridged Configuration Screen Running the Setup Wizard Navigating ConfigurationThrough the Router Pages LAN Setup LAN Setup Dhcp Clients List Dhcp Clients List Screen Wireless Settings Screen Wireless Encryption Encryption Screen WPA-PSK no server WPA-PSK no server Screen Bit WEP 128-bit WEP Screen WPA with Radius Server Screen Server Connection Type Connection Type Screen Internet Settings PPPoA PPPoA Settings Screen Single PC Enter a value of 0 to disable this timeout Click Apply Supports the following routing functionality RoutingStatic Routing RIP Routing Information Protocol RIP allows the network Routing Disabled RIP is not enabled for the WAN or LAN interface Select the Operation Mode Routing Table Screen Firewall Special Applications Special Applications Screen Virtual Servers Virtual Servers Screen Access Control Access Control Screen Add PC Screen Click OK to add the settings URL Blocking URL Blocking Screen Click Add Rule Add Schedule Rule Screen MAC Address Filtering Screen Filtering DMZ DMZ Screen Universal Plug and Play Remote AdminNAT Enable WAN Ping Blocking Remote Administration Snmp Community Agent installedSnmp Simple Network Management Protocol allows remote Snmp Trap Snmp Trap Screen Default Perform certain administrative functionsSystem Tools Restart Router Settings 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 Defaults Networking 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 adopted Type Two Type One How 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 Weight Maximum cable length of 100m 327.86 ft System Requirements Operating Systems Appendix B Technical Specifications Important Safety Information Safety Information Wichtige Sicherheitshinweise Consignes Importantes de Sécurité Appendix C Safety Information 3Com Corporation Agreement Appendix D END User Software License Agreement Services Product to Gain Service BenefitsRegister Your Purchase Downloads Access SoftwareContact Us Telephone Technical Australia 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 located Model Description 3CRWE754G72-A/B Conformity Europe CE StatementRF Exposure Compliance Statement U.S 108 Page DUA0075-4AAA01 Rev