diff --git a/ospf6d/ospf6_area.h b/ospf6d/ospf6_area.h
index 14d3eb9..c15960c 100644
--- a/ospf6d/ospf6_area.h
+++ b/ospf6d/ospf6_area.h
@@ -41,6 +41,12 @@
   /* OSPF Option */
   u_char options[3];
 
+  /* TransitCapability */
+  int transit_capability;
+
+  /* Summary routes to be originated (includes Configured Address Ranges) */
+  struct ospf6_route_table *summary_table;
+
   /* OSPF interface list */
   list if_list;