1 files changed, 5 insertions, 0 deletions
diff --git a/zebra/rtadv.h b/zebra/rtadv.h
index d692ef2417..f9bd2b1d39 100644
--- a/zebra/rtadv.h
+++ b/zebra/rtadv.h
@@ -59,6 +59,11 @@ struct rtadv_prefix {
 #endif
 };
 
+/* RFC4861 minimum delay between RAs  */
+#ifndef MIN_DELAY_BETWEEN_RAS
+#define MIN_DELAY_BETWEEN_RAS        3000
+#endif
+
 /* RFC4584 Extension to Sockets API for Mobile IPv6 */
 
 #ifndef ND_OPT_ADV_INTERVAL