> Can someone point out an example of this gif+ipsec setup somewhere ? > > I failed at finding any GIF ref when looking IPSEC+OPENBSD, also man > ipsec does not list gif, only enc.
This is dated obviously and for full disclosure I didn't try it, so look at it as such. https://undeadly.org/cgi?action=article&sid=20131105075303 There is more then what you asked, however the idea is the same I suppose. It may be what you need or not.