Billion Electric Company user manual LAN Setup, LAN Overview, LANs, WANs and the Bipac 5100S

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Chapter 4

LAN Setup

This chapter describes how to configure LAN settings.

4.1 LAN Overview

A Local Area Network (LAN) is a shared communication system to which many computers are attached. A LAN is a computer network limited to the immediate area, usually the same building or floor of a building.

The LAN screens can help you configure a LAN DHCP server and manage IP addresses.

4.1.1 LANs, WANs and the BIPAC 5100S

The actual physical connection determines whether the BIPAC 5100S ports are LAN or WAN ports. There are two separate IP networks, one inside, the LAN network; the other outside: the WAN network as shown next:

4.2 DNS Server Address

DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice versa, for example, the IP address of www.billion.com is 204.217.0.2. The DNS server is extremely important because without it, you must know the IP address of a machine before you can access it. The DNS server addresses that you enter in the DHCP setup are

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Contents Bipac 5100S Table of Contents LAN TCP/IP Appendix Features of the Bipac 5100S Getting to Know the Bipac 5100SIntroducing the Bipac 5100S Multiple PVC Permanent Virtual Circuits Support Multiplexing Applications for the Bipac 5100S Introducing the Web Configurator Web Configurator OverviewAccessing the Bipac 5100S Web Configurator Navigating the Bipac 5100S Web Configurator Configuring Password Resetting the Bipac 5100SUsing The Reset Button Wizard Setup Wizard Setup IntroductionEncapsulation PPP over EthernetWizard Setup Configuration First Screen 4 RFCMultiplexing VC-based MultiplexingIP Address and Subnet Mask Or PPPoEIP Address Assignment IP Assignment with PPPoA or PPPoE EncapsulationIP Assignment with RFC 1483 Encapsulation IP Assignment with Enet Encap EncapsulationWizard Setup Configuration Second Screen Private IP AddressesNailed-Up Connection PPP NATPPPoE 10.2 RFC Enet Encap Exactly as given Dhcp Setup IP Pool SetupWizard Setup Configuration Third Screen Dhcp Wizard Setup Configuration Connection Tests Test Your Internet ConnectionLAN Setup LAN OverviewLANs, WANs and the Bipac 5100S DNS Server AddressFactory LAN Defaults DNS Server Address AssignmentRIP Setup MulticastConfiguring LAN TCP/IP WAN Setup WAN OverviewPPPoE Encapsulation Pptp EncapsulationConfiguring WAN Setup Traffic ShapingWhen to use Half Bridge mode PPP Half BridgeFollowing table describes the labels in this screen PPPoE Encap in the Encapsulation field Network Address Translation NAT NAT OverviewNAT Definitions What NAT DoesHow NAT Works NAT ApplicationNAT Mapping Types Type IP MappingPort Forwarding Services and Port Numbers SUA Single User Account Versus NATSUA Server Configuring Servers Behind SUA Example Services Port NumberSelecting the NAT Mode Configuring SUA ServerConfiguring Address Mapping Many-to-One and Server mapping types Editing an Address Mapping Rule NAT Address Mapping Rules screen Dynamic DNS Setup Dyndns Wildcard Configuring Dynamic DNSDynamic DNS Following table describes the labels in this screen Time and Date Setup Configuring Time ZonePage Remote Management Configuration System TimeoutRemote Management Overview Remote Management LimitationsConfiguring Remote Management TelnetFTP WebLabel Description How do I know if Im using UPnP? Universal Plug-and-Play UPnPUniversal Plug and Play Overview NAT TraversalConfiguring UPnP Installing UPnP in Windows ExampleInstalling UPnP in Windows Me Installing UPnP in Windows XP Page Using UPnP in Windows XP Example Auto-discover Your UPnP-enabled Network DeviceWeb Configurator Easy Access Page Maintenance Maintenance OverviewSystem Status Screen Following table describes the labels in this screen System Statistics Dhcp Table Screen Diagnostic Screens Diagnostic General ScreenDiagnostic DSL Line Screen Reset Adsl Line Firmware Screen Page Troubleshooting Using LEDs to Diagnose ProblemsPower LED Web Configurator Cannot telnet into the Bipac 5100SLogin Username and Password LAN InterfaceWAN Interface Internet Access Remote ManagementRemote Node Connection Cannot connect to a remote node or ISP