MikroTik Site to Site EoIP Tunnel with IPsec - System Zone
Site-to-Site IKEv2 IPSec VPN using Pre-Shared Key Authentication - simple configuration example for two Cisco routers - NIL - Network Information Library
Mikrotik is behind the NAT for IPSec Site-to-Site VPN to FortiGate at HQ - YouTube
Create An IPsec Tunnel Between 2 Mikrotik Routers and Dynamic Public IPs | PDF | Ip Address | Router (Computing)