On 2017/10/01 19:18, Tom Smyth wrote: > so the point to point addressing scheme is for saving ips sometimes > it can be referred to incorrectly in my opinion as /31 addressing
It's totally different to /31. > (well it is more like 2x /32 addresses) but it can be a What you're suggesting is more commonly known as "ip unnumbered", the gateway uses an address shared between multiple downstreams. It was originally common for PPP links but low-budget VPS providers started doing this on ethernet too. > it is described on the following rfc > https://tools.ietf.org/html/rfc3021 No, that describes standard /31 use.
