diff options
| -rw-r--r-- | nest/neighbor.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/nest/neighbor.c b/nest/neighbor.c index 506d9bde..9dce8119 100644 --- a/nest/neighbor.c +++ b/nest/neighbor.c @@ -114,7 +114,7 @@ neighbor * neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags) { neighbor *n; - int class, scope = -1; ; + int class, scope = -1; unsigned int h = neigh_hash(p, a); struct iface *i; @@ -240,7 +240,21 @@ neigh_down(neighbor *n) n->proto->neigh_notify(n); rem_node(&n->n); if (n->flags & NEF_STICKY) - add_tail(&sticky_neigh_list, &n->n); + { + add_tail(&sticky_neigh_list, &n->n); + + /* Respawn neighbor if there is another matching prefix */ + struct iface *i; + int scope; + + if (!n->iface) + WALK_LIST(i, iface_list) + if ((scope = if_connected(&n->addr, i)) >= 0) + { + neigh_up(n, i, scope); + return; + } + } else sl_free(neigh_slab, n); } |