3.6.3.5.1 PPTP ....................................................................................................................................................

48

3.6.3.5.1.1 PPTP for Remote Access..............................................................................................................

48

3.6.3.5.1.2 PPTP for LAN to LAN....................................................................................................................

49

3.6.3.5.1.3 An Example of Configuring a Remote Access PPTP VPN Dial-in Connection ..............................

50

3.6.3.5.1.4 An Example of Configuring a Remote Access PPTP VPN Dial-out Connection ............................

54

3.6.3.5.1.5 An Example of Configuring a LAN-to-LAN PPTP VPN Connection...............................................

56

3.6.3.5.2 IPSec ....................................................................................................................................................

58

3.6.3.5.2.1 IPSec configuration .......................................................................................................................

58

3.6.3.5.2.2 An Example of Configuring a LAN-to-LAN IPSec VPN Connection...............................................

61

3.6.3.6 Virtual Server..............................................................................................................................................

63

3.6.3.6.1 An Example of Configuring a Web Server on the Local Network ..........................................................

65

3.6.3.6.2 An example of configuring the Web Server & the Router to be accessible remotely.............................

66

3.6.3.7 Advanced....................................................................................................................................................

68

3.6.3.7.1 Routing Table ........................................................................................................................................

68

3.6.3.7.2 Dynamic DNS .......................................................................................................................................

69

3.6.3.7.2.1 Example of Configuring DDNS......................................................................................................

69

3.6.3.7.3 Checking Emails ...................................................................................................................................

70

3.6.3.7.4 Device Management .............................................................................................................................

71

3.6.3.7.4.1 Embedded Web Server .................................................................................................................

71

3.6.3.7.4.2 Universal Plug and Play (UPnP) ...................................................................................................

72

3.6.3.7.4.3 SNMP Access Control...................................................................................................................

72

3.6.4 Save Configuration to Flash..............................................................................................................

72

3.6.5 Logout ...............................................................................................................................................

73

CHAPTER 4. TROUBLESHOOTING...................................................................................................................

74

APPENDIX A. SPECIFICATION...........................................................................................................................

75

APPENDIX B. PRODUCT SUPPORT..................................................................................................................

76

iv