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-rw-r--r--src/vnet/bfd/bfd_main.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/vnet/bfd/bfd_main.c b/src/vnet/bfd/bfd_main.c
index 0cc7d72c600..ef6ada8823f 100644
--- a/src/vnet/bfd/bfd_main.c
+++ b/src/vnet/bfd/bfd_main.c
@@ -1054,6 +1054,19 @@ bfd_check_rx_timeout (bfd_main_t * bm, bfd_session_t * bs, u64 now,
now + bm->wheel_inaccuracy)
{
BFD_DBG ("Rx timeout, session goes down");
+ /*
+ * RFC 5880 6.8.1. State Variables
+
+ * bfd.RemoteDiscr
+
+ * The remote discriminator for this BFD session. This is the
+ * discriminator chosen by the remote system, and is totally opaque
+ * to the local system. This MUST be initialized to zero. If a
+ * period of a Detection Time passes without the receipt of a valid,
+ * authenticated BFD packet from the remote system, this variable
+ * MUST be set to zero.
+ */
+ bs->remote_discr = 0;
bfd_set_diag (bs, BFD_DIAG_CODE_det_time_exp);
bfd_set_state (bm, bs, BFD_STATE_down, handling_wakeup);
/*