3 files changed, 9 insertions, 0 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index 10706088..18d2985c 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -371,6 +371,13 @@ bgp_init_aigp_metric(rte *e, u64 *metric, const struct adata **ad)
   return *metric < IGP_METRIC_UNKNOWN;
 }
 
+u32
+bgp_rte_igp_metric(struct rte *rt)
+{
+  u64 metric = bgp_total_aigp_metric(rt);
+  return (u32) MIN(metric, (u64) IGP_METRIC_UNKNOWN);
+}
+
 
 /*
  *	Attribute hooks
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c
index e4d754b1..5c78bfa1 100644
--- a/proto/bgp/bgp.c
+++ b/proto/bgp/bgp.c
@@ -1694,6 +1694,7 @@ bgp_init(struct proto_config *CF)
   P->rte_mergable = bgp_rte_mergable;
   P->rte_recalculate = cf->deterministic_med ? bgp_rte_recalculate : NULL;
   P->rte_modify = bgp_rte_modify_stale;
+  P->rte_igp_metric = bgp_rte_igp_metric;
 
   p->cf = cf;
   p->is_internal = (cf->local_as == cf->remote_as);
diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h
index 20944fe6..c440c7af 100644
--- a/proto/bgp/bgp.h
+++ b/proto/bgp/bgp.h
@@ -582,6 +582,7 @@ int bgp_rte_better(struct rte *, struct rte *);
 int bgp_rte_mergable(rte *pri, rte *sec);
 int bgp_rte_recalculate(rtable *table, net *net, rte *new, rte *old, rte *old_best);
 struct rte *bgp_rte_modify_stale(struct rte *r, struct linpool *pool);
+u32 bgp_rte_igp_metric(struct rte *);
 void bgp_rt_notify(struct proto *P, struct channel *C, net *n, rte *new, rte *old);
 int bgp_preexport(struct proto *, struct rte *);
 int bgp_get_attr(const struct eattr *e, byte *buf, int buflen);