D-Link AG DI-784 manual What is NAT?

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Frequently Asked Questions (continued)

What is NAT?

NAT stands for Network Address Translator. It is proposed and described in RFC- 1631 and is used for solving the IP Address depletion problem. Each NAT box has a table consisting of pairs of local IP Addresses and globally unique addresses, by which the box can “translate” the local IP Addresses to global address and vice versa. Simply put, it is a method of connecting multiple computers to the Internet (or any other IP network) using one IP Address.

D-Link´s broadband routers support NAT. With proper configuration, multiple users can access the Internet using a single account via the NAT device.

For more information on RFC-1631: The IP Network Address Translator (NAT), visit http://www.faqs.org/rfcs/rfc1631.html

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Contents Manual Contents Package Contents Introduction Adapter PowerLAN ports WAN port is Features LEDs Front Panel of Unit Wireless Basics Wireless Basics Getting Started Setting up a Wireless Infrastructure2 NetworkHome Wizard Using the Configuration MenuHome Wireless Open or Shared Wireless Settings Using the Configuration MenuKeys Home Wireless Open or Shared Channel AuthenticationWEP Encryption Key TypeRadius Server Home Wireless WPA AuthenticationLifetime Home Wireless WPA-PSK Primary/Secondary DNS Home WAN Dynamic IP Address Host Name MAC Address CloneGateway Address Primary/ Secondary DNS Home WAN Static IP Address Subnet MaskPPPoE PasswordService Name Home WAN PPPoEHome LAN MaximumIdle Time Auto-reconnectDynamic Host Control Protocol. Home DhcpAdvanced Virtual Server Example #1 Example #2 Public Type Advanced ApplicationsName Trigger Port Trigger Type Public Port Protocol Types Advanced Filters IP FiltersIP Filters PortFilters URL Blocking- Keywords Advanced Filters URL BlockingFilters MAC Filters Name MAC Address Dhcp Client Advanced Filters MAC FiltersPermitted Domains Advanced Filters Domain BlockingFilters Domain BlockingSource Advanced FirewallFirewall Rules ActionDMZ Advanced DMZData Rate Advanced Performance 802.11a WirelessTransmit Power Beacon interval RTS Threshold Fragmentation TX Rates Advanced Performance 802.11a Super a ModeTransmit Power Beacon interval PerformanceDtim interval Ssid Broadcast Super G ModeAdvanced Performance 802.11g RTS Threshold Admin Password Advanced Performance 802.11g CTS ModeTools Admin Administrator Login Name User Login NameTools Time Tools AdminDefault Restore to Factory Tools System System Settings Save Settings toLoad Settings from Browse Tools Firmware UpgradeDiscard Ping Tools MiscPing Test Restart DeviceTools Cable Test Status Log View Log Log SettingsStatus Device Info Log Type Status Log Log Settings Smtp Server IP AddressEmail Address Status Stats Status Wireless Connected Client ListHelp Microsoft Windows XP Networking BasicsNetworking Basics Workgroup name Enter a Computer description and a Computer name optionalNetworking Basics Format the disk if you wish, and click Next Networking Basics Network Setup Wizard Right-click on My Computer Naming your ComputerComputer name Checking the IP Address in Windows XPControl Panel Support tabProperties Network ConnectionsAssigning a Static IP Address Windows XP/2000 Assigning a Static IP Address with Macintosh OSX Selecting a Dynamic IP Address with Macintosh OSX Checking the Wireless Connection by Pinging in Windows Me Troubleshooting Troubleshooting Manager Select Hardware TabAdapters Why does my wireless connection keep dropping? Why can’t I get a wireless connection?Resetting the DI-784 to Factory Default Settings Advanced Firewall Features Technical SpecificationsTechnical Specifications Wireless Transmit Power Why can´t I access the web based configuration? Frequently Asked QuestionsFrequently Asked Questions LAN Settings button How can I find my IP Address in Windows 95, 98, or ME? How can I find my IP Address in Windows 2000/XP? Places and select Properties How can I assign a Static IP Address in Windows XP?Network Neigborhood icon Win ME My YesClick Specify an IP Address Click on the DNS Configuration tabDynamic Cable connection Static Cable Connection Frequently Asked Questions To set up your router How do I open ports on my router? Demilitarized Zone What is DMZ?How do I configure the DMZ Host? DI-784 Frequently Asked Questions What are virtual servers? How do I use PC Anywhere with my router?Click Continue ClickFirewall How can I use eDonkey behind my D-Link router?How do I set up my router for Socom on my Playstation 2? Private Port Public Port How can I use Gamespy behind my D-Link router?How do I configure my router for KaZaA and Grokster? For the DI-604, DI-614+. DI-624, DI-754, DI-764, or DI-784 How do I configure my router to play Warcraft 3?Configure the Game Port information on each computer How do I use NetMeeting with my D-Link router? How do I set up my router to use iChat? -for Macintosh usersStep Choose Apple menu System Preferences Choose View Sharing Then Virtual ServerFrequently Asked Questions What is NAT? Technical Support USA only Warranty and RegistrationPage Important Note