diff --git a/bgpd/bgp_nexthop.h b/bgpd/bgp_nexthop.h
new file mode 100644
index 0000000..5f4255d
--- /dev/null
+++ b/bgpd/bgp_nexthop.h
@@ -0,0 +1,52 @@
+/* BGP nexthop scan
+   Copyright (C) 2000 Kunihiro Ishiguro
+
+This file is part of GNU Zebra.
+
+GNU Zebra is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+GNU Zebra is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Zebra; see the file COPYING.  If not, write to the Free
+Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
+
+#define BGP_SCAN_INTERVAL_DEFAULT   60
+#define BGP_IMPORT_INTERVAL_DEFAULT 15
+
+/* BGP nexthop cache value structure. */
+struct bgp_nexthop_cache
+{
+  /* This nexthop exists in IGP. */
+  u_char valid;
+
+  /* Nexthop is changed. */
+  u_char changed;
+
+  /* Nexthop is changed. */
+  u_char metricchanged;
+
+  /* IGP route's metric. */
+  u_int32_t metric;
+
+  /* Nexthop number and nexthop linked list.*/
+  u_char nexthop_num;
+  struct nexthop *nexthop;
+};
+
+void bgp_scan_init ();
+int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *,
+			int *, int *);
+void bgp_connected_add (struct connected *c);
+void bgp_connected_delete (struct connected *c);
+int bgp_multiaccess_check_v4 (struct in_addr, char *);
+int bgp_config_write_scan_time (struct vty *);
+int bgp_nexthop_check_ebgp (afi_t, struct attr *);
+int bgp_nexthop_self (afi_t, struct attr *);