Knowledge Base | VPN

KB 11570  What to do when an Undesired route is added after VPN is up
KB 11300  IKEv2 VPN from Android to Vigor Router
KB 11207  OpenVPN from Android Smart VPN Client to Vigor Router
KB 10955  IKEv2 VPN with ID between DrayTek Routers
KB 10950  IKEv2 VPN between pfSense and Vigor Router
KB 10842  OpenVPN between pfSense and Vigor Router
KB 10782  Set up VPN with Two Factor Authentication(TOTP) on Smart VPN Client
KB 10730  Overview of Two Factor Authentication (2FA) on Vigor VPN solutions
KB 10769  Ways to fix the VPN No PPP Control Protocols Configured Error
KB 10694  WireGuard VPN from macOS to Vigor Router
KB 10692  6in4 over PPTP between Vigor routers
KB 10691  WireGuard VPN between Vigor Routers
KB 7689  Dial VPN with TOTP Authentication
KB 7726  Generate Multiple WireGuard VPN profiles at once by Vigor3910/2962
KB 7661  WireGuard VPN from Windows to Vigor Router
KB 10648  How to approach zero trust network with Vigor routers
KB 7606  Restrict Remote VPN Connection from a Specific Domain name
KB 7605  Limit a VPN account be connected by one remote user only.
KB 7578  OpenVPN between Vigor Router and OpenVPN Access Server
KB 7569  Allow VPN Remote Dial-In connections only during Working Hours
KB 5729  Solve the Can't find VPPP adapter Error of Smart VPN Client
KB 5272  IKEv2 VPN with EAP authentication from iOS to Vigor Router
KB 7531  OpenVPN between NordVPN and Vigor Router
KB 5175  Prioritize VPN Traffic by QoS
KB 7498  OpenVPN between DrayTek Routers
KB 4300  Apply NAT inside IPsec VPN to match Remote Network's Firewall Policy
KB 5966  Port Redirection over VPN to a host on the remote network
KB 7472  IPsec VPN between Mikrotik(RouterOS v6.47) and Vigor Router
KB 7462  OpenVPN to Vigor Router by using the self-generated certificate
KB 5371  IKEv2 EAP between NordVPN and Vigor Router
KB 7428  String Object allows administrators to enter more characters to VPN Server Host Name in LAN to LAN dial-out field
KB 7409  L2TP over IPsec from Smart VPN to Vigor Router
KB 7391  How to Allow Routing Subnet to Access VPN
KB 6125  How to establish Host to LAN VPN with VPN matcher
KB 6124  What is VPN Matcher and how to use it
KB 6111  How to use Digital Signature (X.509) to authenticate a LAN-to-LAN IPsec VPN between Vigor routers
KB 6106  How to use Digital Signature (X.509) to authenticate IPsec VPN between a Vigor3900/2960 and Vigor Router?
KB 6077  How to fix the SSL VPN connection error after upgrading to iOS 13 and macOS 10.15
KB 6060  IKEv2 VPN with EAP Authentication from Windows to Vigor3900/2960 by using the self-signed certificate
KB 5994  How to send all the traffic to VPN tunnel on Vigor3900/2960
KB 5986  L2TP over IPsec from Android to Vigor Router
KB 5984  SSL VPN between DrayOS Router and Vigor3900/2960
KB 5983  SSL VPN between two DrayTek Routers
KB 5975  IPsec VPN from Windows to Vigor Router using Aggressive mode
KB 5972  IPsec XAuth from Windows to Vigor Router
KB 5970  Export the Smart VPN profile to other computers
KB 5762  IPsec VPN between Amazon VPC and DrayTek Router
KB 5701  IKEv2 VPN with EAP Authentication from macOS to Vigor Router using Let's Encrypt
KB 5699  IKEv2 VPN with EAP Authentication from iOS to Vigor Router using Let's Encrypt
KB 5702  IKEv2 VPN with EAP Authentication from Windows to Vigor Router using Let's Encrypt
KB 5761  IPsec VPN from Windows to Vigor Router by Smart VPN Client
KB 5440  Assign a fixed IP address for the remote VPN peer router
KB 5328  IKEv2 VPN between Microsoft Azure and Vigor Router
KB 5392  OpenVPN Setup on Vigor Router with XCA
KB 5325  IPsec VPN between Google Cloud Platform and DrayTek
KB 5269  L2TP over IPsec VPN from Ubuntu to Vigor Router
KB 5270  Choose the Best VPN Protocol
KB 5276  IPsec XAuth from Android to Vigor Router
KB 5275  IPsec XAuth from macOS to Vigor Router
KB 5274  IPsec XAuth from iOS to Vigor Router
KB 5271  IKEv2 VPN with EAP Authentication from macOS to Vigor Router
KB 5321  Set up Vigor3900/2960 as an OpenVPN server using local user database
KB 4795  IPsec VPN between Zyxel VMG and Vigor Router
KB 5287  DHCP Relay over VPN
KB 5369  IKEv2 VPN from iOS to Vigor Router
KB 5217  IKEv2 VPN from macOS to Vigor Router
KB 5409  PPTP VPN between DrayTek Routers
KB 4665  IPsec VPN between Netgear and DrayTek Router 
KB 5200  GRE Tunnel between Teltonika RUT950 and DrayTek
KB 5196  IKEv2 VPN between DrayTek Routers
KB 5195  IPsec VPN between Cisco RV Series and DrayTek
KB 4371  PPTP VPN between DrayOS Router and Vigor3900/2960
KB 5467  IPsec VPN between a DrayOS router and a Vigor3900/Vigor2960
KB 3779  Three-Sides Communication through VPN
KB 5391  PPTP VPN from Ubuntu to Vigor Router
KB 5745  Single-Arm VPN Configuration
KB 5452  Difference between VPN in Route and NAT mode
KB 5228  Enable Server Authentication for SSL VPN
KB 5218  SSL VPN from iOS to Vigor Router
KB 4919  Add a Load Balance VPN Connection
KB 6078  Dial VPN with mOTP authentication using iOS Smart VPN Client
KB 5332  SSL VPN from macOS to Vigor Router
KB 4678  Lower VPN MSS to access the peer router's Web UI through VPN
KB 5322  L2TP over IPsec VPN from macOS to Vigor Router
KB 5201  IPsec VPN between Cyberoam and DrayTek
KB 5349  IPsec VPN between SonicWALL and Vigor Router
KB 4812  Assign a Fixed IP Address to Remote Dial-in VPN Clients
KB 4470  Make specific host use VPN tunnel as the default gateway 
KB 5202  IPsec Tunnel between two DrayTek Routers using the same IP subnet
KB 5025  Dial VPN with mOTP using a token device
KB 5426  Dial VPN with mOTP authentication using Windows Smart VPN Client
KB 5018  L2TP over IPsec VPN between DrayTek Routers
KB 5223  SSL VPN from Android Phones to Vigor Router
KB 5154  IPsec Tunnel Main Mode between DrayTek Routers (Client with Dynamic IP)
KB 5219  IPsec Tunnel Main Mode between DrayTek Routers (Client with Static IP)
KB 5348  IPsec Tunnel Aggresive Mode between DrayTek Routers
KB 5722  Troubleshoot VPN is up but no traffic
KB 5428  Create multiple Phase 2 SA for IPsec tunnel to connect multiple subnets in one VPN profile
KB 4921  Troubleshoot Unstable VPN
KB 4052  Connect VPN on Demand with iOS Smart VPN app