LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN Chapter 4: Setting up Internet access43EN4 Setting up Internet accessAll computers in the LAN can take advantage of the central Internet access ofthe LANCOM. The connection to the Internet provider can be established viaany WAN connection. Internet access via ISDN can be used as a backup con-nection for DSL, for example.Does the setup wizard know your Internet provider?A convenient wizard is available to help you set up Internet access. The wizardknows the access information of major Internet providers and will offer you alist of providers to choose from. If you find your Internet service provider onthis list, you normally will not have to enter any further transfer parameters toconfigure your Internet access. Only the authentication data that are suppliedby your provider are required.Additional information for unknown Internet providersIf the setup wizard does not know your Internet provider, it will prompt youfor all of the required information step by step. Your provider will supply thisinformation. ADSL Protocol: PPP (PPPoA), PPPoE, Plain IP (IPoA) or Plain Ethernet ATM parameter: VPI (Virtual Path Identifier) and VCI (Virtual CircuitIdentifier), VC or LLC-based Multiplexing Additionally for plain IP (IPoA) and Plain Ethernet: a dedicated publicIP address with netmask (not to be confused with the private LAN IPDSL or ISDNconnectionLANCOM router in the LAN ofthe Internet providerInternet