OK, so now what exactly do you mean by "point to point connection"
It may be anything from a plain Ethernet cable between two Ethernet ports of the boxes through PPP L3 tunnels of various kinds to L2 tunnels, ciphered or plaintext. So to choose the right variant, please describe the intended application of the "point to point connection" which cannot be fulfilled by the normal routing between the two.
Instead of writing novels, post /export hide-sensitive. Use find&replace in your favourite text editor to systematically replace all occurrences of each public IP address potentially identifying you by a distinctive pattern such as my.public.ip.1.