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-rw-r--r--nest/route.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/nest/route.h b/nest/route.h
index 1e0a14bc..c16b2643 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -258,6 +258,7 @@ static inline int rte_is_filtered(rte *r) { return !!(r->flags & REF_FILTERED);
/* Types of route announcement, also used as flags */
+#define RA_UNDEF 0 /* Undefined RA type */
#define RA_OPTIMAL 1 /* Announcement of optimal route change */
#define RA_ACCEPTED 2 /* Announcement of first accepted route */
#define RA_ANY 3 /* Announcement of any route change */