Draytek 5500 Series 用户手册

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页码 250
 
VigorPro5500 Series User’s Guide 
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A Virtual Private Network (VPN) is the extension of a private network that encompasses 
links across shared or public networks like the Internet. In short, by VPN technology, you 
can send data between two computers across a shared or public network in a manner that 
emulates the properties of a point-to-point private link. 
Below shows the menu items for VPN and Remote Access. 
 
Note: This feature can be applied for ISDN remote dial-in or ISDN LAN-to-LAN 
connection in i series models. 
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Enable the necessary VPN service as you need. If you intend to run a VPN server inside your 
LAN, you should disable the VPN service of Vigor Router to allow VPN tunnel pass through, 
as well as the appropriate NAT settings, such as DMZ or open port.   
 
The Vigor router will not accept the ISDN dial-in connection if the box of Enable ISDN 
Dial-in
 is not checked.