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16-8 CHAPTER 16: CONFIGURING YOUR WAN P ROTOCOL S ETTINGSDeleting a NAT Policy To delete a NAT policy, perform the following step from the CLI:OCG-Adsl>>delete nat policy interface The private range may be larger than the public range of IP Addresses.Modifying the Interface OptionTo modify the interface option, perform the following step from the CLI:OCG-Adsl>>set nat interface option /PAT/SUPERNAT>Configuring VPNs The following procedures describe how to configure VPNs from the CLI.If you are using Windows 2000 Server or Windows 2000 Pro, you need to makethe following changes to the system registry in order for IPSec and L2TP tunnels towork properly.1 Start the Registry Editor (Regedt32.exe).2 Locate the following key in the registry:\HKEY_LOCAL_MACHINES\System\CurrentControlSet\Services\Rasman\Parameters3 On the Edit menu, click Add Value and then add the following registry value:Value Name: ProhibitIpSecData Type: REG_DWORDValue: 14 Quit the Registry Editor.5 Reboot your PC for the changes you made to the Registry Settings to take effect.Configuring a PPTPTunnelA Point-to-Point Tunneling Protocol (PPTP) Virtual Private Network (VPN) tunnelcan be configured from the Command Line Interface (CLI) of the OfficeConnectGateway.To configure a PPTP VPN tunnel from the CLI, perform the following steps:PPTP InitiationTo initiate a PPTP tunnel, you must enter a series of PPTP Initiation commands.The following example shows the CLI commands that are used to perform PPTPInitiation.OCG-Adsl>>set system transmit_authentication_name OCG-Adsl>>add tunnel type pptp server_endpoint <210.3.3.107>secret OCG-Adsl>>disable tunnel OCG-Adsl>>set tunnel idle 90
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