3Com WL-540A, 3CRWE754G72-A, WL-540B manual Remote Admin, NAT Enable, Universal Plug and Play

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Firewall 61

■Remote Admin

Figure 49 Advanced Screen

NAT Enable

Before you enable this function, make sure you have changed the administrator password. Network Address Translation (NAT) is the method by which the router shares the single IP address assigned by your ISP with the computers on your network. This function should only be used by advanced users, and if your ISP assigns you multiple IP addresses or you need NAT disabled for an advanced system configuration. If you have a single IP address and you turn NAT off, the computers on your network will not be able to access the Internet. Other problems may also occur.

Universal Plug and Play

Universal Plug and Play is a technology that offers seamless operation of voice messaging, video messaging, games, and other applications that are Universal Plug and Play compliant. Some applications require the Router's firewall to be configured in a specific way to operate properly. This usually requires opening TCP and UDP ports and in some instances setting trigger ports. An application that is Universal Plug and Play compliant has the ability to communicate with the Router, basically "telling" the Router which way it needs the firewall configured. The

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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 Document to 3Com at ConventionsPddtechpubscomments@3com.com Configure your Router About this Guide OfficeConnect Adsl Wireless11gFirewall Router 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 LEDsPower Adapter Socket Reset ButtonAdsl Port Introduction Safety InformationPositioning the Router Connecting Powering UpRouter 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 computerFrom the Windows Start menu, select Control Panel Windows XPWindows 95/98/ME 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 NAT Enable Remote AdminUniversal Plug and Play WAN Ping Blocking Remote AdministrationSnmp Simple Network Management Protocol allows remote Agent installedSnmp Community 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 Basic Connection Browsing to the Router Configuration ScreensChecks 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 Interfaces OfficeConnect Adsl Wireless 11g Firewall RouterWlan Interfaces 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