Traffic going through IKEv2 can not be fasttracked so that was your problem.
MTU see: http://forum.mikrotik.com/t/mtu-troubles-using-ikev2-providers-like-nordvpn-work-around/135154/1
Traffic going through IKEv2 can not be fasttracked so that was your problem.
MTU see: http://forum.mikrotik.com/t/mtu-troubles-using-ikev2-providers-like-nordvpn-work-around/135154/1