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-rw-r--r--proto/ospf/rt.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 8332ffa..944d0e5 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -340,7 +340,12 @@ ospf_rt_spfa_rtlinks(struct ospf_area *oa, struct top_hash_entry *act, struct to
{
#ifdef OSPFv2
case LSART_STUB:
- /* This violates RFC 2328! But it is mostly harmless. */
+ /*
+ * RFC 2328 in 16.1. (2a) says to handle stub networks in an
+ * second phase after the SPF for an area is calculated. We get
+ * the same result by handing them here because add_network()
+ * will keep the best (not the first) found route.
+ */
add_network(oa, ipa_from_u32(rtl->id),
ipa_mklen(ipa_from_u32(rtl->data)),
act->dist + rtl->metric, act);