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-rw-r--r--proto/bgp/bgp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c
index 8dedde9f..56401a08 100644
--- a/proto/bgp/bgp.c
+++ b/proto/bgp/bgp.c
@@ -491,6 +491,7 @@ bgp_conn_enter_openconfirm_state(struct bgp_conn *conn)
}
static const struct bgp_af_caps dummy_af_caps = { };
+static const struct bgp_af_caps basic_af_caps = { .ready = 1 };
void
bgp_conn_enter_established_state(struct bgp_conn *conn)
@@ -541,6 +542,13 @@ bgp_conn_enter_established_state(struct bgp_conn *conn)
const struct bgp_af_caps *loc = bgp_find_af_caps(local, c->afi);
const struct bgp_af_caps *rem = bgp_find_af_caps(peer, c->afi);
+ /* Use default if capabilities were not announced */
+ if (!local->length && (c->afi == BGP_AF_IPV4))
+ loc = &basic_af_caps;
+
+ if (!peer->length && (c->afi == BGP_AF_IPV4))
+ rem = &basic_af_caps;
+
/* Ignore AFIs that were not announced in multiprotocol capability */
if (!loc || !loc->ready)
loc = &dummy_af_caps;