On Thu, 2021-05-06 at 20:30 +0200, Joakim Tjernlund wrote: > On Thu, 2021-05-06 at 17:09 +0000, Senthil Kumar Nagappan wrote: > > Hi, > > > > I did sent this message a week back but I could not see it in the mailing, > > moreover just now subscribed to this mailing list, so sending this again. > > > > I’m seeing some issues with ospf adj over ptp numbered/unnumbered > > interface. > > > > 1. For p2p connections, ospf should be sending only multicast packets to > > allospfrouters, but I see its sending to unicast address. > > (From RFC “On physical point-to-point networks, the IP destination is > > always set to the address AllSPFRouters”) > > Agreed, I recall fixing the same for Quagga long time ago. > > > 2. For ptp over unnumbered interface, bird requires peer address > > configuration which is not required from the ospf perspective. Because bird > > is using peer address and sending > > unicast packets, bird cannot form multiple ospf adj over ptp unnumbered > > interface between 2 endpoints using same peer address. > > Made some quick changes and have attached the patch that addresses the > > issues. Relaxed the source ip address validation for ptp link in packet.c > > for now. More validation can be > > added to make it complete. > > I don't quite understand what you are saying here, can you elaborate? >
One thing I recall, BIRD OSPF seems to always require dest IP address for its routes. For a PtoP I/F this is optional/not needed so I guess this is a bug in BIRD. Possibly because of bug 1) Jocke