diff --git a/isisd/isis_events.h b/isisd/isis_events.h
new file mode 100644
index 0000000..75dd92e
--- /dev/null
+++ b/isisd/isis_events.h
@@ -0,0 +1,54 @@
+/*
+ * IS-IS Rout(e)ing protocol - isis_events.h   
+ *
+ * Copyright (C) 2001,2002   Sampo Saaristo
+ *                           Tampere University of Technology      
+ *                           Institute of Communications Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU General Public Licenseas published by the Free 
+ * Software Foundation; either version 2 of the License, or (at your option) 
+ * any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc., 
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifndef _ZEBRA_ISIS_EVENTS_H
+#define _ZEBRA_ISIS_EVENTS_H
+
+/*
+ * Events related to area
+ */
+void isis_event_system_type_change (struct isis_area *area, int newtype);
+void isis_event_area_addr_change (struct isis_area *area);
+
+/*
+ * Events related to circuit
+ */
+void isis_event_circuit_state_change (struct isis_circuit *circuit, int state);
+void isis_event_circuit_type_change (struct isis_circuit *circuit, 
+                                     int newtype);
+/*
+ * Events related to adjacencies
+ */
+void isis_event_adjacency_state_change(struct isis_adjacency *adj, 
+                                       int newstate);
+
+int isis_event_dis_status_change (struct thread *thread);
+
+/*
+ * Error events
+ */
+#define AUTH_ERROR_TYPE_LSP   3
+#define AUTH_ERROR_TYPE_SNP   2
+#define AUTH_ERROR_TYPE_HELLO 1
+void isis_event_auth_failure (char *area_tag, char *error_string, char *sysid);
+
+#endif /* _ZEBRA_ISIS_EVENTS_H */
+