Josh Grosse kindly sent me a message off list to confirm the question. So let me just add a little more clarity so as to not waste anyones time.
This is purely an OSPFD thing and not a general networking question about point-to-point links ;) I am simply trying to tell OSPFD that only one other device is on this interface, and so OSPFD can skip the DR/BDR election process and jump straight to sharing LSA's etc. This way the devices can converge their control planes _much_ quicker.. GRE interfaces do this automatically, and thus converge faster (even over the internet) than the local ethernet p2p link. This causes local traffic to briefly traverse another remote router via the GRE's for a moment, whilst waiting for the local adjacency via the ethernet cable to finish their election etc. Thanks, Andy. On Mon, Aug 8, 2016 at 5:12 PM, Andy Lemin <a...@brandwatch.com> wrote: > Hi, > > Does anyone know if it is possible to set an ethernet crossover cable > between two OpenBSD firewalls running OpenOSPFD as point-to-point? > > OpenOSPFD recognises GRE's as point-to-point so the logic is there for > handling a point-to-point adjacency, but cannot see how to set this on the > ethernet port? > > Thanks, Andy.