On 2020-01-31, PJ <[email protected]> wrote: > I have a router-to-be with 4 NICs, on which ip-forwarding is not yet > enabled (and with OpenBSD 6.6). > > One IF has an IP on one network segment and the three other IFs are > bridged together, with one of the three having an IP on another network > segment. > > When I pinged the first IF, which should be alone on it's network > segment, from a machine connected to one of the three bridged together > IFs, I got a ping reply. I didn't expect it because forwarding is not > enabled. > > What's going on here? > > Am I missing something?
It isn't forwarding, it's answering locally. However this changed recently in -current: https://marc.info/?l=openbsd-cvs&m=157580332113635&w=2 https://en.wikipedia.org/wiki/Host_model
