3Com OfficeConnect 3CR414492 Getting Started Manual

Contents

3Com OfficeConnect 3CR414492 Getting Started Manual Manual pdf 14 page image

1-6 C HAPTER 1: G ETTING S TARTEDsupported. No additional configuration of the OCR 812is required to support GRE.Encryption ProtocolsMicrosoft Point-to-Point Encryption (MPPE) encrypts data inPPTP VPN connections. MPPE provides privacy to a tunnel.When you use MPPE and PPTP together, a VPN is created.You can set the MPPE protocol on the Tunnel Modify webpage using the Encryption Algorithm field. From the CLI,you set MPPE by specifying MSCHAPv1. See the CLI UserGuide for more information.SIP Phone SupportSession Initiation Protocol (SIP) is an IP protocol thatsupports a networked telephone that converges voice anddata on a single network. This instrument is a smart devicethat performs many of the functions that are traditionallyhandled by the phone company’s central office equipment.When you connect SIP and the OCR 812, the SIP phone isregistered with the proxy server supplied by your ISP. If youwant to use SIP and NAT, you must select the PAT option ofNAT. For more information, see the Remote 812 ADSLRouter Online User’s Guide.OCR 812 Boot Mode OptionsTo simplify the installation process, the OCR 812 can beinitialized with pre-configured parameters using the DIPswitches located on the back of the unit. These are theBoot Mode options: DHCP Smart Mode Bridge Mode Unconfigured Mode (the default) ANSI Mode MultiModeN OTE: These boot modes only take effect if the unit has notbeen previously configured. To erase the existingconfiguration and reset your unit, see Resetting theConfiguration of Your Router in Chapter 2.