Knowledge Base | VPN

-  Two Factor Authentication (2FA) with AD/LDAP Server
-  VPN User Isolation on Vigor3912
-  VPN from LAN
-  What to do when an Undesired route is added after VPN is up
-  IKEv2 VPN from Android to Vigor Router
-  OpenVPN from Android Smart VPN Client to Vigor Router
-  IKEv2 VPN with ID between DrayTek Routers
-  IKEv2 VPN between pfSense and Vigor Router
-  OpenVPN between pfSense and Vigor Router
-  Set up VPN with Two Factor Authentication(TOTP) on Smart VPN Client
-  Overview of Two Factor Authentication (2FA) on Vigor VPN solutions
-  Ways to fix the VPN No PPP Control Protocols Configured Error
-  WireGuard VPN from macOS to Vigor Router
-  6in4 over PPTP between Vigor routers
-  WireGuard VPN between Vigor Routers
-  Dial VPN with TOTP Authentication
-  Generate Multiple WireGuard VPN profiles at once by Vigor3910/2962
-  WireGuard VPN from Windows to Vigor Router
-  How to approach zero trust network with Vigor routers
-  Restrict Remote VPN Connection from a Specific Domain name
-  Limit a VPN account be connected by one remote user only.
-  OpenVPN between Vigor Router and OpenVPN Access Server
-  Allow VPN Remote Dial-In connections only during Working Hours
-  Solve the Can't find VPPP adapter Error of Smart VPN Client
-  IKEv2 VPN with EAP authentication from iOS to Vigor Router
-  OpenVPN between NordVPN and Vigor Router
-  Prioritize VPN Traffic by QoS
-  OpenVPN between DrayTek Routers
-  Apply NAT inside IPsec VPN to match Remote Network's Firewall Policy
-  Port Redirection over VPN to a host on the remote network
-  IPsec VPN between Mikrotik(RouterOS v6.47) and Vigor Router
-  OpenVPN to Vigor Router by using the self-generated certificate
-  IKEv2 EAP between NordVPN and Vigor Router
-  String Object allows administrators to enter more characters to VPN Server Host Name in LAN to LAN dial-out field
-  L2TP over IPsec from Smart VPN to Vigor Router
-  How to Allow Routing Subnet to Access VPN
-  How to establish Host to LAN VPN with VPN matcher
-  What is VPN Matcher and how to use it
-  How to use Digital Signature (X.509) to authenticate a LAN-to-LAN IPsec VPN between Vigor routers
-  How to use Digital Signature (X.509) to authenticate IPsec VPN between a Vigor3900/2960 and Vigor Router?
-  How to fix the SSL VPN connection error after upgrading to iOS 13 and macOS 10.15
-  IKEv2 VPN with EAP Authentication from Windows to Vigor3900/2960 by using the self-signed certificate
-  How to send all the traffic to VPN tunnel on Vigor3900/2960
-  L2TP over IPsec from Android to Vigor Router
-  SSL VPN between DrayOS Router and Vigor3900/2960
-  SSL VPN between two DrayTek Routers
-  IPsec VPN from Windows to Vigor Router using Aggressive mode
-  IPsec XAuth from Windows to Vigor Router
-  Export the Smart VPN profile to other computers
-  IPsec VPN between Amazon VPC and DrayTek Router
-  IKEv2 VPN with EAP Authentication from macOS to Vigor Router using Let's Encrypt
-  IKEv2 VPN with EAP Authentication from iOS to Vigor Router using Let's Encrypt
-  IKEv2 VPN with EAP Authentication from Windows to Vigor Router using Let's Encrypt
-  IPsec VPN from Windows to Vigor Router by Smart VPN Client
-  Assign a fixed IP address for the remote VPN peer router
-  IKEv2 VPN between Microsoft Azure and Vigor Router
-  OpenVPN Setup on Vigor Router with XCA
-  IPsec VPN between Google Cloud Platform and DrayTek
-  L2TP over IPsec VPN from Ubuntu to Vigor Router
-  Choose the Best VPN Protocol
-  IPsec XAuth from Android to Vigor Router
-  IPsec XAuth from macOS to Vigor Router
-  IPsec XAuth from iOS to Vigor Router
-  IKEv2 VPN with EAP Authentication from macOS to Vigor Router
-  Set up Vigor3900/2960 as an OpenVPN server using local user database
-  IPsec VPN between Zyxel VMG and Vigor Router
-  DHCP Relay over VPN
-  IKEv2 VPN from iOS to Vigor Router
-  IKEv2 VPN from macOS to Vigor Router
-  PPTP VPN between DrayTek Routers
-  IPsec VPN between Netgear and DrayTek Router 
-  GRE Tunnel between Teltonika RUT950 and DrayTek
-  IKEv2 VPN between DrayTek Routers
-  IPsec VPN between Cisco RV Series and DrayTek
-  PPTP VPN between DrayOS Router and Vigor3900/2960
-  IPsec VPN between a DrayOS router and a Vigor3900/Vigor2960
-  Three-Sides Communication through VPN
-  PPTP VPN from Ubuntu to Vigor Router
-  Single-Arm VPN Configuration
-  Difference between VPN in Route and NAT mode
-  Enable Server Authentication for SSL VPN
-  SSL VPN from iOS to Vigor Router
-  Add a Load Balance VPN Connection
-  Dial VPN with mOTP authentication using iOS Smart VPN Client
-  SSL VPN from macOS to Vigor Router
-  Lower VPN MSS to access the peer router's Web UI through VPN
-  L2TP over IPsec VPN from macOS to Vigor Router
-  IPsec VPN between Cyberoam and DrayTek
-  IPsec VPN between SonicWALL and Vigor Router
-  Assign a Fixed IP Address to Remote Dial-in VPN Clients
-  Make specific host use VPN tunnel as the default gateway 
-  IPsec Tunnel between two DrayTek Routers using the same IP subnet
-  Dial VPN with mOTP using a token device
-  Dial VPN with mOTP authentication using Windows Smart VPN Client
-  L2TP over IPsec VPN between DrayTek Routers
-  SSL VPN from Android Phones to Vigor Router
-  IPsec Tunnel Main Mode between DrayTek Routers (Client with Dynamic IP)
-  IPsec Tunnel Main Mode between DrayTek Routers (Client with Static IP)
-  IPsec Tunnel Aggresive Mode between DrayTek Routers
-  Troubleshoot VPN is up but no traffic