Knowledge Base | LAN-to-LAN VPN

-  6in4 over PPTP between Vigor routers
-  Access Multiple Subnets Through the Same VPN Tunnel
-  Add a Failover VPN Connection
-  Add a Load Balance VPN Connection
-  Apply NAT inside IPsec VPN to match Remote Network's Firewall Policy
-  Assign a fixed IP address for the remote VPN peer router
-  Back up a leased line by VPN
-  Create multiple Phase 2 SA for IPsec tunnel to connect multiple subnets in one VPN profile
-  Difference between VPN in Route and NAT mode
-  GRE Tunnel between Cisco and DrayTek Router
-  GRE Tunnel between Teltonika RUT950 and DrayTek
-  How to send all the traffic to VPN tunnel on Vigor3900/2960
-  How to set up VPN tunnels between registered Vigor Routers by SD-WAN on ACS 3?
-  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?
-  IKEv2 EAP between NordVPN and Vigor Router
-  IKEv2 VPN between DrayTek Routers
-  IKEv2 VPN between Microsoft Azure and Vigor Router
-  IKEv2 VPN between pfSense and Vigor Router
-  IKEv2 VPN with ID between DrayTek Routers
-  IPsec Tunnel Aggresive Mode between DrayTek Routers
-  IPsec Tunnel between two DrayTek Routers using the same IP subnet
-  IPsec Tunnel Main Mode between DrayTek Routers (Client with Dynamic IP)
-  IPsec Tunnel Main Mode between DrayTek Routers (Client with Static IP)
-  IPsec VPN between a DrayOS router and a Vigor3900/Vigor2960
-  IPsec VPN between Amazon VPC and DrayTek Router
-  IPsec VPN between Cisco ASA and Vigor3900/2960
-  IPsec VPN between Cisco RV Series and DrayTek
-  IPsec VPN between Cyberoam and DrayTek
-  IPsec VPN between FortiGate and DrayTek
-  IPsec VPN between Google Cloud Platform and DrayTek
-  IPsec VPN between Mikrotik and Vigor Router
-  IPsec VPN between Mikrotik(RouterOS v6.47) and Vigor Router
-  IPsec VPN between Netgear and DrayTek Router 
-  IPsec VPN between SonicWALL and Vigor Router
-  IPsec VPN between Zyxel VMG and Vigor Router
-  L2TP over IPsec VPN between DrayTek Routers
-  OpenVPN between DrayTek Routers
-  OpenVPN between NordVPN and Vigor Router
-  OpenVPN between Vigor Router and OpenVPN Access Server
-  PPTP VPN between DrayOS Router and Vigor3900/2960
-  PPTP VPN between DrayTek Routers
-  Single-Arm VPN Configuration
-  SSL VPN between DrayOS Router and Vigor3900/2960
-  SSL VPN between two DrayTek Routers
-  Three-Sides Communication through VPN
-  What is VPN Matcher and how to use it
-  WireGuard VPN between Vigor Routers