Ignore routes with next-hop 127.0.0.1 on BSD.

diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 9c8b71f78aa3056f5976de71c0b68b2b74663824..4817df393e4db6b463428a6ed1fdc0a06fcbc09e 100644 (file)
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -381,6 +381,11 @@ krt_read_rt(struct ks_msg *msg, struct krt_proto *p, int scan)
     ng = neigh_find2(&p->p, &a.gw, a.iface, 0);
     if (!ng || (ng->scope == SCOPE_HOST))
       {
+       /* Ignore routes with next-hop 127.0.0.1, host routes with such
+          next-hop appear on OpenBSD for address aliases. */
+        if (ipa_classify(a.gw) == (IADDR_HOST | SCOPE_HOST))
+          return;
+
        log(L_ERR "KRT: Received route %I/%d with strange next-hop %I",
            net->n.prefix, net->n.pxlen, a.gw);
        return;