LAN-to-LAN VPN using
PPTP Settings for Branch office 1. Setup interfaces, System->Interfaces: WAN IP: 194.0.2.10 LAN IP: 192.168.4.1, Subnet mask: 255.255.255.0 2. Setup
PPTP client, Firewall->VPN: Under
PPTP/L2TP
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80 2. Setup
PPTP server, Firewall->VPN: Under L2TP /
PPTP Server click Add new
PPTP server Name the server pptpServer Leave Outer IP and Inner IP blank Set
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for Branch office 1. Setup interfaces, System->Interfaces: WAN IP: 194.0.2.10 LAN IP: 192.168.4.1, Subnet mask: 255.255.255.0 2. Setup L2TP client, Firewall->VPN: Under L2TP /
PPTP client click Add new L2TP client Name the server toMainOffice
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for Main office 1. Setup interfaces, System->Interfaces: WAN IP: 194.0.2.20 LAN IP: 192.168.1.1, Subnet mask: 255.255.255.0 2. Setup L2TP server, Firewall->VPN: Under L2TP /
PPTP Server click Add new L2TP server Name the server l2tpServer Leave Outer IP and Inner IP blank Set client IP pool to 192.168.1.100
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13. Select the Networking tab and change Type of VPN to
PPTP VPN. Click OK. All settings needed for the XP client are now complete. Once we have configured the server on the firewall you should
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104 Windows XP client and L2TP server The Windows XP client to L2TP server setup is quite similar to the
PPTP setup above. Settings for the Windows XP client To setup a L2TP connection from Windows XP to the Main office firewall, please follow the
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39 Adding TCP, UDP or TCP/UDP Service...39 Adding IP Protocol ...40 Grouping Services ...40 Protocol-independent settings ...41 VPN... 42 Introduction to IPSec...42 Introduction to
PPTP...42 Introduction to L2TP...43 Point-to-Point Protocol ...43 Authentication Protocols ...44 MPPE, Microsoft Point-To-Point Encryption...44 L2TP/
PPTP Clients ...45 L2TP/
PPTP Servers...46 IPSec VPN between two networks ...47
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