1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/l2/l2_bd.h b/src/vnet/l2/l2_bd.h
index e502d497e0b..93ed1a8532a 100644
--- a/src/vnet/l2/l2_bd.h
+++ b/src/vnet/l2/l2_bd.h
@@ -49,7 +49,6 @@ typedef struct
   u16 spare;
 } l2_flood_member_t;
 
-
 /* Per-bridge domain configuration */
 
 typedef struct
@@ -91,6 +90,9 @@ typedef struct
 
 } l2_bridge_domain_t;
 
+/* Limit Bridge Domain ID to 24 bits to match 24-bit VNI range */
+#define L2_BD_ID_MAX ((1<<24)-1)
+
 typedef struct
 {
   u32 bd_id;