IPSEC site to site invalid

[erkexzcx]

These might help:

• http://forum.mikrotik.com/t/mikrotik-behind-nat-to-mikrotik-ipsec-ike2-with-certs-tunnel-eoip/144952/1
• http://forum.mikrotik.com/t/ipsec-ike2-with-certificates-vpn-server-guide-for-remote-access/149434/1
• http://forum.mikrotik.com/t/nordvpn-ipsec-ikev2-killswitch-for-ros6/144817/1