SSL VPN between DrayOS Router and Vigor3900/2960 | DrayTek
Draytek VPN | Knowledgebase
IPsec VPN between Zyxel VMG and Vigor Router | DrayTek
DrayTek Corp. al Twitter: "Are you still searching for a VPN solution for your company? Don't want to change the existing network of the office? Why not using the "Single-Arm VPN" solution.