I'll try this message one more time. I have a question regarding the use of ospf with OpenBSD 6.8.
> I have a network that consists of 23 OpenBSD 6.8 based routers (created, > within a virtualbox environment on a GNU/Linux server, to match the physical > network I manage - the only different being that the physical network > consists of FreeBSD based routers rather than OpenBSD ones). I set this up > after have replaced a FreeBSD based router with an OpenBSD based one in the > real network and immediately experiencing an issue accessing parts of the > network. > > Within my setup there is one router (router22) that is six hops away from the > designated default gateway (which I'll call the firewall) and there are two > paths (going different ways around the network) to get to it. I am able to > run a traceroute to router22, but am not able to ping it or ssh onto it. If I > ssh to the router connected to the firewall then I can ping and ssh to > router22 (at that point it's only 5 hops away). If I reboot any router that > lies within the path to router22 then I am subsequently able to ping and ssh > router22 from the firewall. > > I have also subsequently duplicated the entire network again using FreeBSD > 12.2 and the problem does not occur, so as far as I can see it's just an > OpenBSD ospf issue. > > I first set this up after replacing a FreeBSD based router with an OpenBSD > based one and experiencing another strange issue. In this instance the > shortest path from my server network (accessible from router01) to router08, > router11 and router12 was router01 <-> router13 <-> router21 <-> router08 <-> > router11 <-> router12, when I put the OpenBSD router in as router13 I could > no longer ping router08, router11 or router12 (though I could still ping > router21). If I connected to a router in a different part of the network I > was able to ping each of the inaccessible ones, so it was only when the > OpenBSD based router was along the shortest path the issue manifested itself. > > Is anyone aware of incompatibilities between the OSPF implementation within > OpenBSD and that provided by quagga on FreeBSD? Or of any limitations of OSPF > on OpenBSD? > > In each setup I have the same hello and dead interval and have md5 crypt > authentication in place on each link between routers. Each router is in area > 0.0.0.0. > > regards, > Mark
