3Com OfficeConnect 3CRWE53172 User Manual

Also see for OfficeConnect 3CRWE53172: Datasheet Installation guide

Contents

Internet Settings 57Internet Settings Before you can configure the Gateway, you need to know the IPinformation allocation method used by your ISP. There are four differentways that ISPs can allocate IP information, as described below:1 Static IP Address (DSL or Cable)The ISP provides the IP addressing information for you to enter manually.To configure the Gateway you will need to know the following:■ IP Address■ Subnet Mask■ ISP Gateway■ DNS address(es)2 Dynamic IP Address (DSL or Cable)Dynamic IP addressing (or DHCP) automatically assigns the Gateway IPinformation. This method is popular with Cable providers. This method isalso used if your modem has a built in DHCP server.3 PPPoE (DSL only)If the installation instructions that accompany your modem ask you toinstall a PPPoE client on your PC, then select this option. To configure theGateway you will need to know the following:■ Username■ Password■ Service Name (if required by your ISP)When you install the Gateway, you will not need to use the PPPoEsoftware on your PC.4 PPTP (DSL or Cable)PPTP is only used by some European providers. If the installationinstructions that accompany your modem ask you to setup a dialupconnection using a PPTP VPN tunnel then select this option. To configurethe Gateway you will need to know the following:■ Username■ Password■ VPN Server address (usually your modem)