Hi, I am trying to use OSPF over an openvpn link. tcpdump tells me that both ends send their HELLO packet but bird does not want to recognize them. When looking at ospf_rc_hook() in proto/ospf/packet.c the HELLO packet arrives in bird, but is discarded because of "strange address combinations": src_local is 0: sk->faddr = 10.25.0.26 ifa->addr->prefix = 10.25.0.2 ifa->addr->pxlen = 32 dst_mcast is 1: sk->laddr = 224.0.0.5 ifa->all_routers = 224.0.0.5 ifa->des_routers = 224.0.0.6 dst_mcast = 1 || 0
From my point of view these values do not look that bad (the tun interface on this server has an address of 10.25.0.1 and on the client it is 10.25.0.26). But of course (dst_mcast && !src_local) is 1 and the HELLO packet is ignored.
Does anybody have any idea what went wrong here? Best regards Thorsten The OSPF configuration on the server: protocol ospf { debug all; import all; export none; area 10.10.10.0 { interface "tun1" { type ptp; cost 2000; neighbors { 10.25.0.1; }; }; }; }