Merge pull request #11611 from fdumontet6WIND/FMJA/desc_mess

[mirror_frr.git] / bgpd / bgp_bfd.c

diff --git a/bgpd/bgp_bfd.c b/bgpd/bgp_bfd.c
index ed54f42b0aa3a24a4a18f90951734d767974df0c..d66b916b95240188292359cd9529bb5fa4625dce 100644 (file)
--- a/bgpd/bgp_bfd.c
+++ b/bgpd/bgp_bfd.c
@@ -40,6 +40,7 @@
 #include "bgpd/bgp_bfd.h"
 #include "bgpd/bgp_debug.h"
 #include "bgpd/bgp_vty.h"
+#include "bgpd/bgp_packet.h"
 
 DEFINE_MTYPE_STATIC(BGPD, BFD_CONFIG, "BFD configuration data");
 
@@ -62,12 +63,18 @@ static void bfd_session_status_update(struct bfd_session_params *bsp,
                if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_MODE)
                    && bfd_sess_cbit(bsp) && !bss->remote_cbit) {
                        if (BGP_DEBUG(bfd, BFD_LIB))
-                               zlog_info(
+                               zlog_debug(
                                        "%s BFD DOWN message ignored in the process of graceful restart when C bit is cleared",
                                        peer->host);
                        return;
                }
                peer->last_reset = PEER_DOWN_BFD_DOWN;
+
+               /* draft-ietf-idr-bfd-subcode */
+               if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status))
+                       bgp_notify_send(peer, BGP_NOTIFY_CEASE,
+                                       BGP_NOTIFY_CEASE_BFD_DOWN);
+
                BGP_EVENT_ADD(peer, BGP_Stop);
        }