3Com 3CR856-95 manual Viewing VPN Connections, Pptp Configuration

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PPTP Configuration

To set up the Gateway for PPTP you must allocate IP addresses from the Gateway’s LAN for use with PPTP. The connections made by PPTP will appear to come from these addresses. The addresses must be in a continuous range.

In the Address Pool for PPTP and L2TP clients field enter:

The first LAN address you wish to reserve for PPTP clients in the First Remote IP Address field.

and

The last LAN address you wish to reserve for PPTP clients in the Last Remote IP Address field.

If L2TP mode is selected, then the Address Pool is the same for PPTP and L2TP over IPSec clients.

These addresses must be within the Gateway’s LAN subnet and must not form part of the DHCP pool.

Click Apply to save your changes.

Viewing VPN Connections

The VPN Connections Screen shows information about the IPSec, L2TP over IPSec, and PPTP connections made by the Gateway. It also allows you to add, delete, edit and temporarily disable these connections.

Figure 52 VPN Connections Screen

For each connection configured for the Gateway, a row is added to the table. Each row contains the following items:

Delete button — deletes the VPN connection on that row. This will prevent the device or user from establishing a secure connection with the Gateway in future.

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Contents Page United States Government Legend 3Com Corporation Bayfront Plaza Santa Clara, CaliforniaContents Using Discovery TroubleshootingIP Addressing Index Regulatory Notices Safety InformationEnd User Software Licence Agreement ISP InformationPage Icon Description About this GuideNaming Convention ConventionsFeedback about this User Guide Related DocumentationProduct Registration OfficeConnect Cable/DSL Secure Gateway Introducing the Officeconnect CABLE/DSL Secure GatewayCable/DSL Secure Gateway Advantages Example Network Using a Cable/DSL Secure GatewayMinimum System and Component Requirements Package ContentsFlashing slowly Two seconds on, two seconds off Power LED GreenFront Panel Alert LED OrangeEthernet Cable/DSL port Power Adapter socketRear Panel Cable/DSL Status LEDPage Positioning the Gateway Installing the GatewayBefore you Install your Gateway IntroductionStatic PPPoEConnecting the Cable/DSL Secure Gateway Powering Up the GatewayPage Obtaining an IP Address Automatically Setting UP Your ComputersWindows 2000, XP Windows 95, 98, ME Disabling PPPoE and Pptp Client SoftwareMacintosh OS 8.5 Internet Properties Disabling Web ProxyPage Accessing the Wizard Running the Setup WizardWelcome Screen Setting the PasswordTo set the Gateway to World Time UTC Setting the Time ZoneInternet Settings Auto-Configuration SettingsDynamic IP Address Mode Static IP ModeConnection, use the following procedure PPPoE ModePptp Screen Pptp ModeActivating Dhcp Choosing your LAN SettingsViewing the Summary Dhcp Server Setup ScreenPage Option Tabs Gateway ConfigurationNavigating Through the Gateway Configuration Pages Main MenuWelcome Screen Password ScreenChanging the LAN Settings LAN SettingsSetup Wizard LAN IP SettingsChanging the Dhcp Server Settings Dhcp Clients Screen Dhcp Clients ListStatic IP Address DSL or Cable Internet SettingsConnection to ISP Screen Connection to ISPStatic Address Setup Screen Configuring a Static IP AddressDynamic Address Setup Screen Configuring a Dynamic IP AddressPPPoE Setup Screen Configuring a PPPoE connectionConfiguring a Pptp connection Setting up NATOne-to-Many and One-to-One NAT Setting up One-to-Many NATSetting up One-to-One NAT Configuring the FirewallVirtual Servers Menu Creating a Virtual DMZ Creating a Virtual ServerPC Privileges Virtual Servers Settings ScreenTo assign different access rights for different computers To use access control for all computersSpecial Applications Screen Special ApplicationsCreating Custom Special Applications Adding and Editing Special ApplicationsCustom Special Applications Setup Screen Advanced Advanced Settings ScreenSetting the VPN Mode Configuring VPNsIPSec Configuration Address Pool for Pptp and L2TP clients field enter L2TP ConfigurationViewing VPN Connections Pptp ConfigurationAdding and Editing VPN Connections IPSec Connections using Gateway to Gateway IPSec Connections using Remote User AccessIPSec Connection Gateway to Gateway Connection Name field enter headsales L2TP over IPSec ConnectionsPptp Connections Editing IPSec RoutesRestart Accessing the System ToolsTime Zone Loading and Saving the Gateway ConfigurationUpgrading the Firmware of your Gateway Upgrade ScreenStatus Screen Viewing Status and LogsObtaining Support and Feedback for your Gateway Log Settings ScreenFeedback Screen Browsing to the Gateway Configuration Screens TroubleshootingBasic Connection Checks Forgotten Password Connecting to the InternetHttp//192.168.1.1 Alert LEDDoes the Gateway support virtual private networks VPNs? Frequently Asked QuestionsWindows Installation 95/98/2000/Me/NT Using DiscoveryRunning the Discovery Application Discovery Finish Screen Type One IP AddressingInternet Protocol Suite IP Addresses and Subnet MasksType Two How does a Device Obtain an IP Address and Subnet Mask?Dhcp Addressing Static AddressingAuto-IP Addressing Private IP AddressesPage Standards Technical SpecificationsOperating Systems Cable SpecificationsSystem Requirements Ethernet PerformanceImportant Safety Information Safety InformationWichtige Sicherheitshinweise Consignes importantes de sécurité Page Page 3Com Corporation END User Software Licence AgreementPage ISP Information Internet Characteristics Popular ISPs Connection TypesInformation Regarding Popular ISPs Page Glossary Fast Ethernet DSL modemEthernet Ethernet AddressMAC Address IP AddressIPSec L2TP over IPSecProtocol SwitchNetwork Network Interface Card NICWizard TrafficPage Numbers IndexIeee Ietf NAT Ping VPN Page FCC Statement Regulatory Notices100 Page DUA08569-5AAA02 Published November
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