--- ./bgpd/session.h.dist	Wed Jan 10 09:22:24 2007
+++ ./bgpd/session.h	Wed Jan 10 09:19:08 2007
@@ -16,6 +16,9 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+/* +4-Byte AS:   modifications for 4 Byte AS Number Support - 
+                 Geoff Huston, January 2007 */
+
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <time.h>
@@ -102,7 +105,14 @@
 enum capa_codes {
 	CAPA_NONE,
 	CAPA_MP,
-	CAPA_REFRESH
+	CAPA_REFRESH,
+        /* +4-Byte AS:   additional capability codes */
+        CAPA_RF,
+        CAPA_MR,
+        CAPA_GR = 64,
+        CAPA_4AS,
+        CAPA_DC
+
 };
 
 struct msg_header {