isisd: add Google's changes to IS-IS

1 files changed, 1471 insertions, 468 deletions

diff --git a/isisd/isisd.c b/isisd/isisd.c
index 1e84a1ce..6cbb85b1 100644
--- a/isisd/isisd.c
+++ b/isisd/isisd.c
@@ -27,6 +27,7 @@
 #include "command.h"
 #include "log.h"
 #include "memory.h"
+#include "time.h"
 #include "linklist.h"
 #include "if.h"
 #include "hash.h"
@@ -38,8 +39,9 @@
 #include "isisd/include-netbsd/iso.h"
 #include "isisd/isis_constants.h"
 #include "isisd/isis_common.h"
-#include "isisd/isis_circuit.h"
 #include "isisd/isis_flags.h"
+#include "isisd/isis_circuit.h"
+#include "isisd/isis_csm.h"
 #include "isisd/isisd.h"
 #include "isisd/isis_dynhn.h"
 #include "isisd/isis_adjacency.h"
@@ -59,19 +61,17 @@ u_char DEFAULT_TOPOLOGY_BASEIS[6] = { 0xFE, 0xED, 0xFE, 0xED, 0x00, 0x00 };
 #endif /* TOPOLOGY_GENERATE */
 
 struct isis *isis = NULL;
-extern struct thread_master *master;
 
 /*
  * Prototypes.
  */
-void isis_new(unsigned long);
-struct isis_area *isis_area_create(void);
 int isis_area_get(struct vty *, const char *);
 int isis_area_destroy(struct vty *, const char *);
-int area_net_title(struct vty *, const u_char *);
-int area_clear_net_title(struct vty *, const u_char *);
-int show_clns_neigh(struct vty *, char);
-void print_debug(struct vty *, int, int);
+int area_net_title(struct vty *, const char *);
+int area_clear_net_title(struct vty *, const char *);
+int show_isis_interface_common(struct vty *, const char *ifname, char);
+int show_isis_neighbor_common(struct vty *, const char *id, char);
+int clear_isis_neighbor_common(struct vty *, const char *id);
 int isis_config_write(struct vty *);
 
 
@@ -84,8 +84,8 @@ isis_new (unsigned long process_id)
    * Default values
    */
   isis->max_area_addrs = 3;
-
   isis->process_id = process_id;
+  isis->router_id = 0;
   isis->area_list = list_new ();
   isis->init_circ_list = list_new ();
   isis->uptime = time (NULL);
@@ -93,6 +93,7 @@ isis_new (unsigned long process_id)
 #ifdef HAVE_IPV6
   isis->nexthops6 = list_new ();
 #endif /* HAVE_IPV6 */
+  dyn_cache_init ();
   /*
    * uncomment the next line for full debugs
    */
@@ -100,7 +101,7 @@ isis_new (unsigned long process_id)
 }
 
 struct isis_area *
-isis_area_create ()
+isis_area_create (const char *area_tag)
 {
   struct isis_area *area;
 
@@ -114,36 +115,48 @@ isis_area_create ()
     area->is_type = IS_LEVEL_1;
   else
     area->is_type = IS_LEVEL_1_AND_2;
+
   /*
    * intialize the databases
    */
-  area->lspdb[0] = lsp_db_init ();
-  area->lspdb[1] = lsp_db_init ();
-
-  spftree_area_init (area);
-  area->route_table[0] = route_table_init ();
-  area->route_table[1] = route_table_init ();
+  if (area->is_type & IS_LEVEL_1)
+    {
+      area->lspdb[0] = lsp_db_init ();
+      area->route_table[0] = route_table_init ();
+#ifdef HAVE_IPV6
+      area->route_table6[0] = route_table_init ();
+#endif /* HAVE_IPV6 */
+    }
+  if (area->is_type & IS_LEVEL_2)
+    {
+      area->lspdb[1] = lsp_db_init ();
+      area->route_table[1] = route_table_init ();
 #ifdef HAVE_IPV6
-  area->route_table6[0] = route_table_init ();
-  area->route_table6[1] = route_table_init ();
+      area->route_table6[1] = route_table_init ();
 #endif /* HAVE_IPV6 */
+    }
+
+  spftree_area_init (area);
+
   area->circuit_list = list_new ();
   area->area_addrs = list_new ();
   THREAD_TIMER_ON (master, area->t_tick, lsp_tick, area, 1);
   flags_initialize (&area->flags);
+
   /*
    * Default values
    */
-  area->max_lsp_lifetime[0] = MAX_AGE;	/* 1200 */
-  area->max_lsp_lifetime[1] = MAX_AGE;	/* 1200 */
-  area->lsp_gen_interval[0] = LSP_GEN_INTERVAL_DEFAULT;
-  area->lsp_gen_interval[1] = LSP_GEN_INTERVAL_DEFAULT;
-  area->lsp_refresh[0] = MAX_LSP_GEN_INTERVAL;	/* 900 */
-  area->lsp_refresh[1] = MAX_LSP_GEN_INTERVAL;	/* 900 */
+  area->max_lsp_lifetime[0] = DEFAULT_LSP_LIFETIME;	/* 1200 */
+  area->max_lsp_lifetime[1] = DEFAULT_LSP_LIFETIME;	/* 1200 */
+  area->lsp_refresh[0] = DEFAULT_MAX_LSP_GEN_INTERVAL;	/* 900 */
+  area->lsp_refresh[1] = DEFAULT_MAX_LSP_GEN_INTERVAL;	/* 900 */
+  area->lsp_gen_interval[0] = DEFAULT_MIN_LSP_GEN_INTERVAL;
+  area->lsp_gen_interval[1] = DEFAULT_MIN_LSP_GEN_INTERVAL;
   area->min_spf_interval[0] = MINIMUM_SPF_INTERVAL;
   area->min_spf_interval[1] = MINIMUM_SPF_INTERVAL;
   area->dynhostname = 1;
-  area->oldmetric = 1;
+  area->oldmetric = 0;
+  area->newmetric = 1;
   area->lsp_frag_threshold = 90;
 #ifdef TOPOLOGY_GENERATE
   memcpy (area->topology_baseis, DEFAULT_TOPOLOGY_BASEIS, ISIS_SYS_ID_LEN);
@@ -152,6 +165,10 @@ isis_area_create ()
   /* FIXME: Think of a better way... */
   area->min_bcast_mtu = 1497;
 
+  area->area_tag = strdup (area_tag);
+  listnode_add (isis->area_list, area);
+  area->isis = isis;
+
   return area;
 }
 
@@ -184,9 +201,7 @@ isis_area_get (struct vty *vty, const char *area_tag)
       return CMD_SUCCESS;
     }
 
-  area = isis_area_create ();
-  area->area_tag = strdup (area_tag);
-  listnode_add (isis->area_list, area);
+  area = isis_area_create (area_tag);
 
   if (isis->debugs & DEBUG_EVENTS)
     zlog_debug ("New IS-IS area instance %s", area->area_tag);
@@ -203,40 +218,100 @@ isis_area_destroy (struct vty *vty, const char *area_tag)
   struct isis_area *area;
   struct listnode *node, *nnode;
   struct isis_circuit *circuit;
+  struct area_addr *addr;
 
   area = isis_area_lookup (area_tag);
 
   if (area == NULL)
     {
       vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_NO_MATCH;
     }
 
   if (area->circuit_list)
     {
       for (ALL_LIST_ELEMENTS (area->circuit_list, node, nnode, circuit))
-	{
-	  /* The fact that it's in circuit_list means that it was configured */
-	  isis_circuit_deconfigure (circuit, area);
-	  isis_circuit_del (circuit);
-	}
-      
+        {
+          circuit->ip_router = 0;
+#ifdef HAVE_IPV6
+          circuit->ipv6_router = 0;
+#endif
+          isis_csm_state_change (ISIS_DISABLE, circuit, area);
+        }
       list_delete (area->circuit_list);
+      area->circuit_list = NULL;
     }
-  listnode_delete (isis->area_list, area);
+
+  if (area->lspdb[0] != NULL)
+    {
+      lsp_db_destroy (area->lspdb[0]);
+      area->lspdb[0] = NULL;
+    }
+  if (area->lspdb[1] != NULL)
+    {
+      lsp_db_destroy (area->lspdb[1]);
+      area->lspdb[1] = NULL;
+    }
+
+  spftree_area_del (area);
+
+  /* invalidate and validate would delete all routes from zebra */
+  isis_route_invalidate (area);
+  isis_route_validate (area);
+
+  if (area->route_table[0])
+    {
+      route_table_finish (area->route_table[0]);
+      area->route_table[0] = NULL;
+    }
+  if (area->route_table[1])
+    {
+      route_table_finish (area->route_table[1]);
+      area->route_table[1] = NULL;
+    }
+#ifdef HAVE_IPV6
+  if (area->route_table6[0])
+    {
+      route_table_finish (area->route_table6[0]);
+      area->route_table6[0] = NULL;
+    }
+  if (area->route_table6[1])
+    {
+      route_table_finish (area->route_table6[1]);
+      area->route_table6[1] = NULL;
+    }
+#endif /* HAVE_IPV6 */
+
+  for (ALL_LIST_ELEMENTS (area->area_addrs, node, nnode, addr))
+    {
+      list_delete_node (area->area_addrs, node);
+      XFREE (MTYPE_ISIS_AREA_ADDR, addr);
+    }
+  area->area_addrs = NULL;
+
   THREAD_TIMER_OFF (area->t_tick);
-  if (area->t_remove_aged)
-    thread_cancel (area->t_remove_aged);
   THREAD_TIMER_OFF (area->t_lsp_refresh[0]);
   THREAD_TIMER_OFF (area->t_lsp_refresh[1]);
 
+  thread_cancel_event (master, area);
+
+  listnode_delete (isis->area_list, area);
+
+  free (area->area_tag);
+
   XFREE (MTYPE_ISIS_AREA, area);
 
+  if (listcount (isis->area_list) == 0)
+    {
+      memset (isis->sysid, 0, ISIS_SYS_ID_LEN);
+      isis->sysid_set = 0;
+    }
+
   return CMD_SUCCESS;
 }
 
 int
-area_net_title (struct vty *vty, const u_char *net_title)
+area_net_title (struct vty *vty, const char *net_title)
 {
   struct isis_area *area;
   struct area_addr *addr;
@@ -249,7 +324,7 @@ area_net_title (struct vty *vty, const u_char *net_title)
   if (!area)
     {
       vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_NO_MATCH;
     }
 
   /* We check that we are not over the maximal number of addresses */
@@ -257,7 +332,7 @@ area_net_title (struct vty *vty, const u_char *net_title)
     {
       vty_out (vty, "Maximum of area addresses (%d) already reached %s",
 	       isis->max_area_addrs, VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_NOTHING_TODO;
     }
 
   addr = XMALLOC (MTYPE_ISIS_AREA_ADDR, sizeof (struct area_addr));
@@ -269,10 +344,18 @@ area_net_title (struct vty *vty, const u_char *net_title)
 #endif /* EXTREME_DEBUG */
   if (addr->addr_len < 8 || addr->addr_len > 20)
     {
-      zlog_warn ("area address must be at least 8..20 octets long (%d)",
-		 addr->addr_len);
+      vty_out (vty, "area address must be at least 8..20 octets long (%d)%s",
+               addr->addr_len, VTY_NEWLINE);
+      XFREE (MTYPE_ISIS_AREA_ADDR, addr);
+      return CMD_ERR_AMBIGUOUS;
+    }
+
+  if (addr->area_addr[addr->addr_len-1] != 0)
+    {
+      vty_out (vty, "nsel byte (last byte) in area address must be 0%s",
+               VTY_NEWLINE);
       XFREE (MTYPE_ISIS_AREA_ADDR, addr);
-      return CMD_WARNING;
+      return CMD_ERR_AMBIGUOUS;
     }
 
   if (isis->sysid_set == 0)
@@ -280,7 +363,7 @@ area_net_title (struct vty *vty, const u_char *net_title)
       /*
        * First area address - get the SystemID for this router
        */
-      memcpy (isis->sysid, GETSYSID (addr, ISIS_SYS_ID_LEN), ISIS_SYS_ID_LEN);
+      memcpy (isis->sysid, GETSYSID (addr), ISIS_SYS_ID_LEN);
       isis->sysid_set = 1;
       if (isis->debugs & DEBUG_EVENTS)
 	zlog_debug ("Router has SystemID %s", sysid_print (isis->sysid));
@@ -290,20 +373,19 @@ area_net_title (struct vty *vty, const u_char *net_title)
       /*
        * Check that the SystemID portions match
        */
-      if (memcmp (isis->sysid, GETSYSID (addr, ISIS_SYS_ID_LEN),
-		  ISIS_SYS_ID_LEN))
+      if (memcmp (isis->sysid, GETSYSID (addr), ISIS_SYS_ID_LEN))
 	{
 	  vty_out (vty,
 		   "System ID must not change when defining additional area"
 		   " addresses%s", VTY_NEWLINE);
 	  XFREE (MTYPE_ISIS_AREA_ADDR, addr);
-	  return CMD_WARNING;
+	  return CMD_ERR_AMBIGUOUS;
 	}
 
       /* now we see that we don't already have this address */
       for (ALL_LIST_ELEMENTS_RO (area->area_addrs, node, addrp))
 	{
-	  if ((addrp->addr_len + ISIS_SYS_ID_LEN + 1) != (addr->addr_len))
+	  if ((addrp->addr_len + ISIS_SYS_ID_LEN + ISIS_NSEL_LEN) != (addr->addr_len))
 	    continue;
 	  if (!memcmp (addrp->area_addr, addr->area_addr, addr->addr_len))
 	    {
@@ -311,26 +393,28 @@ area_net_title (struct vty *vty, const u_char *net_title)
 	      return CMD_SUCCESS;	/* silent fail */
 	    }
 	}
-
     }
+
   /*
    * Forget the systemID part of the address
    */
-  addr->addr_len -= (ISIS_SYS_ID_LEN + 1);
+  addr->addr_len -= (ISIS_SYS_ID_LEN + ISIS_NSEL_LEN);
   listnode_add (area->area_addrs, addr);
 
   /* only now we can safely generate our LSPs for this area */
   if (listcount (area->area_addrs) > 0)
     {
-      lsp_l1_generate (area);
-      lsp_l2_generate (area);
+      if (area->is_type & IS_LEVEL_1)
+        lsp_generate (area, IS_LEVEL_1);
+      if (area->is_type & IS_LEVEL_2)
+        lsp_generate (area, IS_LEVEL_2);
     }
 
   return CMD_SUCCESS;
 }
 
 int
-area_clear_net_title (struct vty *vty, const u_char *net_title)
+area_clear_net_title (struct vty *vty, const char *net_title)
 {
   struct isis_area *area;
   struct area_addr addr, *addrp = NULL;
@@ -341,7 +425,7 @@ area_clear_net_title (struct vty *vty, const u_char *net_title)
   if (!area)
     {
       vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_NO_MATCH;
     }
 
   addr.addr_len = dotformat2buff (buff, net_title);
@@ -349,13 +433,13 @@ area_clear_net_title (struct vty *vty, const u_char *net_title)
     {
       vty_out (vty, "Unsupported area address length %d, should be 8...20 %s",
 	       addr.addr_len, VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_AMBIGUOUS;
     }
 
   memcpy (addr.area_addr, buff, (int) addr.addr_len);
 
   for (ALL_LIST_ELEMENTS_RO (area->area_addrs, node, addrp))
-    if (addrp->addr_len == addr.addr_len &&
+    if ((addrp->addr_len + ISIS_SYS_ID_LEN + 1) == addr.addr_len &&
 	!memcmp (addrp->area_addr, addr.area_addr, addr.addr_len))
     break;
 
@@ -363,26 +447,36 @@ area_clear_net_title (struct vty *vty, const u_char *net_title)
     {
       vty_out (vty, "No area address %s for area %s %s", net_title,
 	       area->area_tag, VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_NO_MATCH;
     }
 
   listnode_delete (area->area_addrs, addrp);
+  XFREE (MTYPE_ISIS_AREA_ADDR, addrp);
+
+  /*
+   * Last area address - reset the SystemID for this router
+   */
+  if (listcount (area->area_addrs) == 0)
+    {
+      memset (isis->sysid, 0, ISIS_SYS_ID_LEN);
+      isis->sysid_set = 0;
+      if (isis->debugs & DEBUG_EVENTS)
+        zlog_debug ("Router has no SystemID");
+    }
 
   return CMD_SUCCESS;
 }
 
 /*
- * 'show clns neighbors' command
+ * 'show isis interface' command
  */
 
 int
-show_clns_neigh (struct vty *vty, char detail)
+show_isis_interface_common (struct vty *vty, const char *ifname, char detail)
 {
   struct listnode *anode, *cnode;
   struct isis_area *area;
   struct isis_circuit *circuit;
-  struct list *db;
-  int i;
 
   if (!isis)
     {
@@ -395,92 +489,246 @@ show_clns_neigh (struct vty *vty, char detail)
       vty_out (vty, "Area %s:%s", area->area_tag, VTY_NEWLINE);
 
       if (detail == ISIS_UI_LEVEL_BRIEF)
-	vty_out (vty, "  System Id           Interface   L  State        "
-		 "Holdtime SNPA%s", VTY_NEWLINE);
+        vty_out (vty, "  Interface   CircId   State    Type     Level%s",
+                 VTY_NEWLINE);
 
       for (ALL_LIST_ELEMENTS_RO (area->circuit_list, cnode, circuit))
-	{
-	  if (circuit->circ_type == CIRCUIT_T_BROADCAST)
-	    {
-	      for (i = 0; i < 2; i++)
-		{
-		  db = circuit->u.bc.adjdb[i];
-		  if (db && db->count)
-		    {
-		      if (detail == ISIS_UI_LEVEL_BRIEF)
-			isis_adjdb_iterate (db,
-					    (void (*)
-					     (struct isis_adjacency *,
-					      void *)) isis_adj_print_vty,
-					    vty);
-		      if (detail == ISIS_UI_LEVEL_DETAIL)
-			isis_adjdb_iterate (db,
-					    (void (*)
-					     (struct isis_adjacency *,
-					      void *))
-					    isis_adj_print_vty_detail, vty);
-		      if (detail == ISIS_UI_LEVEL_EXTENSIVE)
-			isis_adjdb_iterate (db,
-					    (void (*)
-					     (struct isis_adjacency *,
-					      void *))
-					    isis_adj_print_vty_extensive,
-					    vty);
-		    }
-		}
-	    }
-	  else if (circuit->circ_type == CIRCUIT_T_P2P &&
-		   circuit->u.p2p.neighbor)
-	    {
-	      if (detail == ISIS_UI_LEVEL_BRIEF)
-		isis_adj_p2p_print_vty (circuit->u.p2p.neighbor, vty);
-	      if (detail == ISIS_UI_LEVEL_DETAIL)
-		isis_adj_p2p_print_vty_detail (circuit->u.p2p.neighbor, vty);
-	      if (detail == ISIS_UI_LEVEL_EXTENSIVE)
-		isis_adj_p2p_print_vty_extensive (circuit->u.p2p.neighbor,
-						  vty);
-	    }
-	}
+        if (!ifname)
+          isis_circuit_print_vty (circuit, vty, detail);
+        else if (strcmp(circuit->interface->name, ifname) == 0)
+          isis_circuit_print_vty (circuit, vty, detail);
     }
 
   return CMD_SUCCESS;
 }
 
-DEFUN (show_clns_neighbors,
-       show_clns_neighbors_cmd,
-       "show clns neighbors",
+DEFUN (show_isis_interface,
+       show_isis_interface_cmd,
+       "show isis interface",
        SHOW_STR
-       "clns network information\n"
-       "CLNS neighbor adjacencies\n")
+       "ISIS network information\n"
+       "ISIS interface\n")
 {
-  return show_clns_neigh (vty, ISIS_UI_LEVEL_BRIEF);
+  return show_isis_interface_common (vty, NULL, ISIS_UI_LEVEL_BRIEF);
 }
 
-ALIAS (show_clns_neighbors,
-       show_isis_neighbors_cmd,
-       "show isis neighbors",
+DEFUN (show_isis_interface_detail,
+       show_isis_interface_detail_cmd,
+       "show isis interface detail",
        SHOW_STR
-       "IS-IS network information\n"
-       "IS-IS neighbor adjacencies\n")
+       "ISIS network information\n"
+       "ISIS interface\n"
+       "show detailed information\n")
+{
+  return show_isis_interface_common (vty, NULL, ISIS_UI_LEVEL_DETAIL);
+}
 
-DEFUN (show_clns_neighbors_detail,
-       show_clns_neighbors_detail_cmd,
-       "show clns neighbors detail",
+DEFUN (show_isis_interface_arg,
+       show_isis_interface_arg_cmd,
+       "show isis interface WORD",
        SHOW_STR
-       "clns network information\n"
-       "CLNS neighbor adjacencies\n"
-       "show detailed information\n")
+       "ISIS network information\n"
+       "ISIS interface\n"
+       "ISIS interface name\n")
+{
+  return show_isis_interface_common (vty, argv[0], ISIS_UI_LEVEL_DETAIL);
+}
+
+/*
+ * 'show isis neighbor' command
+ */
+
+int
+show_isis_neighbor_common (struct vty *vty, const char *id, char detail)
+{
+  struct listnode *anode, *cnode, *node;
+  struct isis_area *area;
+  struct isis_circuit *circuit;
+  struct list *adjdb;
+  struct isis_adjacency *adj;
+  struct isis_dynhn *dynhn;
+  u_char sysid[ISIS_SYS_ID_LEN];
+  int i;
+
+  if (!isis)
+    {
+      vty_out (vty, "IS-IS Routing Process not enabled%s", VTY_NEWLINE);
+      return CMD_SUCCESS;
+    }
+
+  memset (sysid, 0, ISIS_SYS_ID_LEN);
+  if (id)
+    {
+      if (sysid2buff (sysid, id) == 0)
+        {
+          dynhn = dynhn_find_by_name (id);
+          if (dynhn == NULL)
+            {
+              vty_out (vty, "Invalid system id %s%s", id, VTY_NEWLINE);
+              return CMD_SUCCESS;
+            }
+          memcpy (sysid, dynhn->id, ISIS_SYS_ID_LEN);
+        }
+    }
+
+  for (ALL_LIST_ELEMENTS_RO (isis->area_list, anode, area))
+    {
+      vty_out (vty, "Area %s:%s", area->area_tag, VTY_NEWLINE);
+
+      if (detail == ISIS_UI_LEVEL_BRIEF)
+        vty_out (vty, "  System Id           Interface   L  State"
+                      "        Holdtime SNPA%s", VTY_NEWLINE);
+
+      for (ALL_LIST_ELEMENTS_RO (area->circuit_list, cnode, circuit))
+        {
+          if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+            {
+              for (i = 0; i < 2; i++)
+                {
+                  adjdb = circuit->u.bc.adjdb[i];
+                  if (adjdb && adjdb->count)
+                    {
+                      for (ALL_LIST_ELEMENTS_RO (adjdb, node, adj))
+                        if (!id || !memcmp (adj->sysid, sysid,
+                                            ISIS_SYS_ID_LEN))
+                          isis_adj_print_vty (adj, vty, detail);
+                    }
+                }
+            }
+          else if (circuit->circ_type == CIRCUIT_T_P2P &&
+                   circuit->u.p2p.neighbor)
+            {
+              adj = circuit->u.p2p.neighbor;
+              if (!id || !memcmp (adj->sysid, sysid, ISIS_SYS_ID_LEN))
+                isis_adj_print_vty (adj, vty, detail);
+            }
+        }
+    }
+
+  return CMD_SUCCESS;
+}
+
+/*
+ * 'clear isis neighbor' command
+ */
+int
+clear_isis_neighbor_common (struct vty *vty, const char *id)
+{
+  struct listnode *anode, *cnode, *cnextnode, *node, *nnode;
+  struct isis_area *area;
+  struct isis_circuit *circuit;
+  struct list *adjdb;
+  struct isis_adjacency *adj;
+  struct isis_dynhn *dynhn;
+  u_char sysid[ISIS_SYS_ID_LEN];
+  int i;
+
+  if (!isis)
+    {
+      vty_out (vty, "IS-IS Routing Process not enabled%s", VTY_NEWLINE);
+      return CMD_SUCCESS;
+    }
+
+  memset (sysid, 0, ISIS_SYS_ID_LEN);
+  if (id)
+    {
+      if (sysid2buff (sysid, id) == 0)
+        {
+          dynhn = dynhn_find_by_name (id);
+          if (dynhn == NULL)
+            {
+              vty_out (vty, "Invalid system id %s%s", id, VTY_NEWLINE);
+              return CMD_SUCCESS;
+            }
+          memcpy (sysid, dynhn->id, ISIS_SYS_ID_LEN);
+        }
+    }
+
+  for (ALL_LIST_ELEMENTS_RO (isis->area_list, anode, area))
+    {
+      for (ALL_LIST_ELEMENTS (area->circuit_list, cnode, cnextnode, circuit))
+        {
+          if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+            {
+              for (i = 0; i < 2; i++)
+                {
+                  adjdb = circuit->u.bc.adjdb[i];
+                  if (adjdb && adjdb->count)
+                    {
+                      for (ALL_LIST_ELEMENTS (adjdb, node, nnode, adj))
+                        if (!id || !memcmp (adj->sysid, sysid, ISIS_SYS_ID_LEN))
+                          isis_adj_state_change (adj, ISIS_ADJ_DOWN,
+                                                 "clear user request");
+                    }
+                }
+            }
+          else if (circuit->circ_type == CIRCUIT_T_P2P &&
+                   circuit->u.p2p.neighbor)
+            {
+              adj = circuit->u.p2p.neighbor;
+              if (!id || !memcmp (adj->sysid, sysid, ISIS_SYS_ID_LEN))
+                isis_adj_state_change (adj, ISIS_ADJ_DOWN,
+                                       "clear user request");
+            }
+        }
+    }
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (show_isis_neighbor,
+       show_isis_neighbor_cmd,
+       "show isis neighbor",
+       SHOW_STR
+       "ISIS network information\n"
+       "ISIS neighbor adjacencies\n")
 {
-  return show_clns_neigh (vty, ISIS_UI_LEVEL_DETAIL);
+  return show_isis_neighbor_common (vty, NULL, ISIS_UI_LEVEL_BRIEF);
 }
 
-ALIAS (show_clns_neighbors_detail,
-       show_isis_neighbors_detail_cmd,
-       "show isis neighbors detail",
+DEFUN (show_isis_neighbor_detail,
+       show_isis_neighbor_detail_cmd,
+       "show isis neighbor detail",
        SHOW_STR
-       "IS-IS network information\n"
-       "IS-IS neighbor adjacencies\n"
+       "ISIS network information\n"
+       "ISIS neighbor adjacencies\n"
        "show detailed information\n")
+{
+  return show_isis_neighbor_common (vty, NULL, ISIS_UI_LEVEL_DETAIL);
+}
+
+DEFUN (show_isis_neighbor_arg,
+       show_isis_neighbor_arg_cmd,
+       "show isis neighbor WORD",
+       SHOW_STR
+       "ISIS network information\n"
+       "ISIS neighbor adjacencies\n"
+       "System id\n")
+{
+  return show_isis_neighbor_common (vty, argv[0], ISIS_UI_LEVEL_DETAIL);
+}
+
+DEFUN (clear_isis_neighbor,
+       clear_isis_neighbor_cmd,
+       "clear isis neighbor",
+       CLEAR_STR
+       "Reset ISIS network information\n"
+       "Reset ISIS neighbor adjacencies\n")
+{
+  return clear_isis_neighbor_common (vty, NULL);
+}
+
+DEFUN (clear_isis_neighbor_arg,
+       clear_isis_neighbor_arg_cmd,
+       "claer isis neighbor WORD",
+       CLEAR_STR
+       "ISIS network information\n"
+       "ISIS neighbor adjacencies\n"
+       "System id\n")
+{
+  return clear_isis_neighbor_common (vty, argv[0]);
+}
+
 /*
  * 'isis debug', 'show debugging'
  */
@@ -524,7 +772,8 @@ print_debug (struct vty *vty, int flags, int onoff)
 	     VTY_NEWLINE);
   if (flags & DEBUG_EVENTS)
     vty_out (vty, "IS-IS Event debugging is %s%s", onoffs, VTY_NEWLINE);
-
+  if (flags & DEBUG_PACKET_DUMP)
+    vty_out (vty, "IS-IS Packet dump debugging is %s%s", onoffs, VTY_NEWLINE);
 }
 
 DEFUN (show_debugging,
@@ -606,6 +855,11 @@ config_write_debug (struct vty *vty)
       vty_out (vty, "debug isis events%s", VTY_NEWLINE);
       write++;
     }
+  if (flags & DEBUG_PACKET_DUMP)
+    {
+      vty_out (vty, "debug isis packet-dump%s", VTY_NEWLINE);
+      write++;
+    }
 
   return write;
 }
@@ -792,7 +1046,6 @@ DEFUN (no_debug_isis_spfevents,
   return CMD_SUCCESS;
 }
 
-
 DEFUN (debug_isis_spfstats,
        debug_isis_spfstats_cmd,
        "debug isis spf-statistics ",
@@ -897,6 +1150,32 @@ DEFUN (no_debug_isis_events,
   return CMD_SUCCESS;
 }
 
+DEFUN (debug_isis_packet_dump,
+       debug_isis_packet_dump_cmd,
+       "debug isis packet-dump",
+       DEBUG_STR
+       "IS-IS information\n"
+       "IS-IS packet dump\n")
+{
+  isis->debugs |= DEBUG_PACKET_DUMP;
+  print_debug (vty, DEBUG_PACKET_DUMP, 1);
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (no_debug_isis_packet_dump,
+       no_debug_isis_packet_dump_cmd,
+       "no debug isis packet-dump",
+       UNDEBUG_STR
+       "IS-IS information\n"
+       "IS-IS packet dump\n")
+{
+  isis->debugs &= ~DEBUG_PACKET_DUMP;
+  print_debug (vty, DEBUG_PACKET_DUMP, 0);
+
+  return CMD_SUCCESS;
+}
+
 DEFUN (show_hostname,
        show_hostname_cmd,
        "show isis hostname",
@@ -909,80 +1188,312 @@ DEFUN (show_hostname,
   return CMD_SUCCESS;
 }
 
-DEFUN (show_database,
-       show_database_cmd,
-       "show isis database",
-       SHOW_STR "IS-IS information\n" "IS-IS link state database\n")
+static void
+vty_out_timestr(struct vty *vty, time_t uptime)
 {
-  struct listnode *node;
+  struct tm *tm;
+  time_t difftime = time (NULL);
+  difftime -= uptime;
+  tm = gmtime (&difftime);
+
+#define ONE_DAY_SECOND 60*60*24
+#define ONE_WEEK_SECOND 60*60*24*7
+  if (difftime < ONE_DAY_SECOND)
+    vty_out (vty,  "%02d:%02d:%02d", 
+        tm->tm_hour, tm->tm_min, tm->tm_sec);
+  else if (difftime < ONE_WEEK_SECOND)
+    vty_out (vty, "%dd%02dh%02dm", 
+        tm->tm_yday, tm->tm_hour, tm->tm_min);
+  else
+    vty_out (vty, "%02dw%dd%02dh", 
+        tm->tm_yday/7,
+        tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour);
+  vty_out (vty, " ago");
+}
+
+DEFUN (show_isis_summary,
+       show_isis_summary_cmd,
+       "show isis summary",
+       SHOW_STR "IS-IS information\n" "IS-IS summary\n")
+{
+  struct listnode *node, *node2;
   struct isis_area *area;
-  int level, lsp_count;
+  struct isis_spftree *spftree;
+  int level;
 
-  if (isis->area_list->count == 0)
+  if (isis == NULL)
+  {
+    vty_out (vty, "ISIS is not running%s", VTY_NEWLINE);
     return CMD_SUCCESS;
+  }
+
+  vty_out (vty, "Process Id      : %ld%s", isis->process_id,
+      VTY_NEWLINE);
+  if (isis->sysid_set)
+    vty_out (vty, "System Id       : %s%s", sysid_print (isis->sysid),
+        VTY_NEWLINE);
+
+  vty_out (vty, "Up time         : ");
+  vty_out_timestr(vty, isis->uptime);
+  vty_out (vty, "%s", VTY_NEWLINE);
+
+  if (isis->area_list)
+    vty_out (vty, "Number of areas : %d%s", isis->area_list->count,
+        VTY_NEWLINE);
 
   for (ALL_LIST_ELEMENTS_RO (isis->area_list, node, area))
+  {
+    vty_out (vty, "Area %s:%s", area->area_tag ? area->area_tag : "null",
+        VTY_NEWLINE);
+
+    if (listcount (area->area_addrs) > 0)
     {
-      vty_out (vty, "Area %s:%s", area->area_tag ? area->area_tag : "null",
-	       VTY_NEWLINE);
-      for (level = 0; level < ISIS_LEVELS; level++)
-	{
-	  if (area->lspdb[level] && dict_count (area->lspdb[level]) > 0)
-	    {
-	      vty_out (vty, "IS-IS Level-%d link-state database:%s",
-		       level + 1, VTY_NEWLINE);
+      struct area_addr *area_addr;
+      for (ALL_LIST_ELEMENTS_RO (area->area_addrs, node2, area_addr))
+      {
+        vty_out (vty, "  Net: %s%s",
+            isonet_print (area_addr->area_addr,
+              area_addr->addr_len + ISIS_SYS_ID_LEN +
+              1), VTY_NEWLINE);
+      }
+    }
 
-	      lsp_count = lsp_print_all (vty, area->lspdb[level],
-					 ISIS_UI_LEVEL_BRIEF,
-					 area->dynhostname);
+    for (level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++)
+    {
+      if ((area->is_type & level) == 0)
+        continue;
 
-	      vty_out (vty, "%s    %u LSPs%s%s",
-		       VTY_NEWLINE, lsp_count, VTY_NEWLINE, VTY_NEWLINE);
-	    }
-	}
+      vty_out (vty, "  Level-%d:%s", level, VTY_NEWLINE);
+      spftree = area->spftree[level - 1];
+      if (spftree->pending)
+        vty_out (vty, "    IPv4 SPF: (pending)%s", VTY_NEWLINE);
+      else
+        vty_out (vty, "    IPv4 SPF:%s", VTY_NEWLINE);
+
+      vty_out (vty, "      minimum interval  : %d%s",
+          area->min_spf_interval[level - 1], VTY_NEWLINE);
+
+      vty_out (vty, "      last run          : ");
+      vty_out_timestr(vty, spftree->lastrun);
+      vty_out (vty, "%s", VTY_NEWLINE);
+
+      vty_out (vty, "      run count         : %d%s",
+          spftree->runcount, VTY_NEWLINE);
+
+#ifdef HAVE_IPV6
+      spftree = area->spftree6[level - 1];
+      if (spftree->pending)
+        vty_out (vty, "    IPv6 SPF: (pending)%s", VTY_NEWLINE);
+      else
+        vty_out (vty, "    IPv6 SPF:%s", VTY_NEWLINE);
+
+      vty_out (vty, "      minimum interval  : %d%s",
+          area->min_spf_interval[level - 1], VTY_NEWLINE);
+
+      vty_out (vty, "      last run          : ");
+      vty_out_timestr(vty, spftree->lastrun);
+      vty_out (vty, "%s", VTY_NEWLINE);
+
+      vty_out (vty, "      run count         : %d%s",
+          spftree->runcount, VTY_NEWLINE);
+#endif
     }
+  }
+  vty_out (vty, "%s", VTY_NEWLINE);
 
   return CMD_SUCCESS;
 }
 
-DEFUN (show_database_detail,
-       show_database_detail_cmd,
-       "show isis database detail",
-       SHOW_STR
-       "IS-IS information\n"
-       "IS-IS link state database\n")
+/*
+ * This function supports following display options:
+ * [ show isis database [detail] ]
+ * [ show isis database <sysid> [detail] ]
+ * [ show isis database <hostname> [detail] ]
+ * [ show isis database <sysid>.<pseudo-id> [detail] ]
+ * [ show isis database <hostname>.<pseudo-id> [detail] ]
+ * [ show isis database <sysid>.<pseudo-id>-<fragment-number> [detail] ]
+ * [ show isis database <hostname>.<pseudo-id>-<fragment-number> [detail] ]
+ * [ show isis database detail <sysid> ]
+ * [ show isis database detail <hostname> ]
+ * [ show isis database detail <sysid>.<pseudo-id> ]
+ * [ show isis database detail <hostname>.<pseudo-id> ]
+ * [ show isis database detail <sysid>.<pseudo-id>-<fragment-number> ]
+ * [ show isis database detail <hostname>.<pseudo-id>-<fragment-number> ]
+ */
+static int
+show_isis_database (struct vty *vty, const char *argv, int ui_level)
 {
   struct listnode *node;
   struct isis_area *area;
+  struct isis_lsp *lsp;
+  struct isis_dynhn *dynhn;
+  const char *pos = argv;
+  u_char lspid[ISIS_SYS_ID_LEN+2];
+  char sysid[15]; /* len of xxxx.xxxx.xxxx + place for #0 termination */
+  u_char number[3];
   int level, lsp_count;
 
   if (isis->area_list->count == 0)
     return CMD_SUCCESS;
 
+  memset (&lspid, 0, ISIS_SYS_ID_LEN);
+  memset (&sysid, 0, 15);
+
+  if (argv)
+    {
+      strncpy (sysid, argv, 15);
+      sysid[14] = '\0';
+    }
+
+  /*
+   * extract fragment and pseudo id from the string argv
+   * in the forms:
+   * (a) <systemid/hostname>.<pseudo-id>-<framenent> or
+   * (b) <systemid/hostname>.<pseudo-id> or
+   * (c) <systemid/hostname> or
+   * Where systemid is in the form:
+   * xxxx.xxxx.xxxx
+   */
+  if (argv && strlen (argv) > 3)
+    {
+      pos = argv + strlen (argv) - 3;
+      if (strncmp (pos, "-", 1) == 0)
+      {
+        memcpy (number, ++pos, 2);
+        lspid[ISIS_SYS_ID_LEN+1] = (u_char) strtol ((char *)number, NULL, 16);
+        pos -= 4;
+        if (strncmp (pos, ".", 1) != 0)
+          return CMD_ERR_AMBIGUOUS;
+      }
+      if (strncmp (pos, ".", 1) == 0)
+      {
+        memcpy (number, ++pos, 2);
+        lspid[ISIS_SYS_ID_LEN] = (u_char) strtol ((char *)number, NULL, 16);
+        sysid[pos - argv - 1] = '\0';
+      }
+    }
+
   for (ALL_LIST_ELEMENTS_RO (isis->area_list, node, area))
     {
       vty_out (vty, "Area %s:%s", area->area_tag ? area->area_tag : "null",
-	       VTY_NEWLINE);
-      for (level = 0; level < ISIS_LEVELS; level++)
-	{
-	  if (area->lspdb[level] && dict_count (area->lspdb[level]) > 0)
-	    {
-	      vty_out (vty, "IS-IS Level-%d Link State Database:%s",
-		       level + 1, VTY_NEWLINE);
+               VTY_NEWLINE);
 
-	      lsp_count = lsp_print_all (vty, area->lspdb[level],
-					 ISIS_UI_LEVEL_DETAIL,
-					 area->dynhostname);
-
-	      vty_out (vty, "%s    %u LSPs%s%s",
-		       VTY_NEWLINE, lsp_count, VTY_NEWLINE, VTY_NEWLINE);
-	    }
-	}
+      for (level = 0; level < ISIS_LEVELS; level++)
+        {
+          if (area->lspdb[level] && dict_count (area->lspdb[level]) > 0)
+            {
+              lsp = NULL;
+              if (argv != NULL)
+                {
+                  /*
+                   * Try to find the lsp-id if the argv string is in
+                   * the form hostname.<pseudo-id>-<fragment>
+                   */
+                  if (sysid2buff (lspid, sysid))
+                    {
+                      lsp = lsp_search (lspid, area->lspdb[level]);
+                    }
+                  else if ((dynhn = dynhn_find_by_name (sysid)))
+                    {
+                      memcpy (lspid, dynhn->id, ISIS_SYS_ID_LEN);
+                      lsp = lsp_search (lspid, area->lspdb[level]);
+                    }
+                  else if (strncmp(unix_hostname (), sysid, 15) == 0)
+                    {
+                      memcpy (lspid, isis->sysid, ISIS_SYS_ID_LEN);
+                      lsp = lsp_search (lspid, area->lspdb[level]);
+                    }
+                }
+
+              if (lsp != NULL || argv == NULL)
+                {
+                  vty_out (vty, "IS-IS Level-%d link-state database:%s",
+                           level + 1, VTY_NEWLINE);
+
+                  /* print the title in all cases */
+                  vty_out (vty, "LSP ID                  PduLen  "
+                           "SeqNumber   Chksum  Holdtime  ATT/P/OL%s",
+                           VTY_NEWLINE);
+                }
+
+              if (lsp)
+                {
+                  if (ui_level == ISIS_UI_LEVEL_DETAIL)
+                    lsp_print_detail (lsp, vty, area->dynhostname);
+                  else
+                    lsp_print (lsp, vty, area->dynhostname);
+                }
+              else if (argv == NULL)
+                {
+                  lsp_count = lsp_print_all (vty, area->lspdb[level],
+                                             ui_level,
+                                             area->dynhostname);
+
+                  vty_out (vty, "    %u LSPs%s%s",
+                           lsp_count, VTY_NEWLINE, VTY_NEWLINE);
+                }
+            }
+        }
     }
 
   return CMD_SUCCESS;
 }
 
+DEFUN (show_database_brief,
+       show_database_cmd,
+       "show isis database",
+       SHOW_STR
+       "IS-IS information\n"
+       "IS-IS link state database\n")
+{
+  return show_isis_database (vty, NULL, ISIS_UI_LEVEL_BRIEF);
+}
+
+DEFUN (show_database_lsp_brief,
+       show_database_arg_cmd,
+       "show isis database WORD",
+       SHOW_STR
+       "IS-IS information\n"
+       "IS-IS link state database\n"
+       "LSP ID\n")
+{
+  return show_isis_database (vty, argv[0], ISIS_UI_LEVEL_BRIEF);
+}
+
+DEFUN (show_database_lsp_detail,
+       show_database_arg_detail_cmd,
+       "show isis database WORD detail",
+       SHOW_STR
+       "IS-IS information\n"
+       "IS-IS link state database\n"
+       "LSP ID\n"
+       "Detailed information\n")
+{
+  return show_isis_database (vty, argv[0], ISIS_UI_LEVEL_DETAIL);
+}
+
+DEFUN (show_database_detail,
+       show_database_detail_cmd,
+       "show isis database detail",
+       SHOW_STR
+       "IS-IS information\n"
+       "IS-IS link state database\n")
+{
+  return show_isis_database (vty, NULL, ISIS_UI_LEVEL_DETAIL);
+}
+
+DEFUN (show_database_detail_lsp,
+       show_database_detail_arg_cmd,
+       "show isis database detail WORD",
+       SHOW_STR
+       "IS-IS information\n"
+       "IS-IS link state database\n"
+       "Detailed information\n"
+       "LSP ID\n")
+{
+  return show_isis_database (vty, argv[0], ISIS_UI_LEVEL_DETAIL);
+}
+
 /* 
  * 'router isis' command 
  */
@@ -1032,10 +1543,69 @@ DEFUN (no_net,
   return area_clear_net_title (vty, argv[0]);
 }
 
-DEFUN (area_passwd,
-       area_passwd_cmd,
-       "area-password WORD",
+DEFUN (area_passwd_md5,
+       area_passwd_md5_cmd,
+       "area-password md5 WORD",
+       "Configure the authentication password for an area\n"
+       "Authentication type\n"
+       "Area password\n")
+{
+  struct isis_area *area;
+  int len;
+
+  area = vty->index;
+
+  if (!area)
+    {
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
+    }
+
+  len = strlen (argv[0]);
+  if (len > 254)
+    {
+      vty_out (vty, "Too long area password (>254)%s", VTY_NEWLINE);
+      return CMD_ERR_AMBIGUOUS;
+    }
+
+  area->area_passwd.len = (u_char) len;
+  area->area_passwd.type = ISIS_PASSWD_TYPE_HMAC_MD5;
+  strncpy ((char *)area->area_passwd.passwd, argv[0], 255);
+
+  if (argc > 1)
+    {
+      SET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_SEND);
+      if (strncmp(argv[1], "v", 1) == 0)
+	SET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_RECV);
+      else
+	UNSET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_RECV);
+    }
+  else
+    {
+      UNSET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_SEND);
+      UNSET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_RECV);
+    }
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
+
+  return CMD_SUCCESS;
+}
+
+ALIAS (area_passwd_md5,
+       area_passwd_md5_snpauth_cmd,
+       "area-password md5 WORD authenticate snp (send-only|validate)",
+       "Configure the authentication password for an area\n"
+       "Authentication type\n"
+       "Area password\n"
+       "Authentication\n"
+       "SNP PDUs\n"
+       "Send but do not check PDUs on receiving\n"
+       "Send and check PDUs on receiving\n");
+
+DEFUN (area_passwd_clear,
+       area_passwd_clear_cmd,
+       "area-password clear WORD",
        "Configure the authentication password for an area\n"
+       "Authentication type\n"
        "Area password\n")
 {
   struct isis_area *area;
@@ -1045,16 +1615,17 @@ DEFUN (area_passwd,
 
   if (!area)
     {
-      vty_out (vty, "Cant find IS-IS instance%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
     }
 
   len = strlen (argv[0]);
   if (len > 254)
     {
       vty_out (vty, "Too long area password (>254)%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_AMBIGUOUS;
     }
+
   area->area_passwd.len = (u_char) len;
   area->area_passwd.type = ISIS_PASSWD_TYPE_CLEARTXT;
   strncpy ((char *)area->area_passwd.passwd, argv[0], 255);
@@ -1072,14 +1643,16 @@ DEFUN (area_passwd,
       UNSET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_SEND);
       UNSET_FLAG(area->area_passwd.snp_auth, SNP_AUTH_RECV);
     }
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
 
   return CMD_SUCCESS;
 }
 
-ALIAS (area_passwd,
-       area_passwd_snpauth_cmd,
-       "area-password WORD authenticate snp (send-only|validate)",
+ALIAS (area_passwd_clear,
+       area_passwd_clear_snpauth_cmd,
+       "area-password clear WORD authenticate snp (send-only|validate)",
        "Configure the authentication password for an area\n"
+       "Authentication type\n"
        "Area password\n"
        "Authentication\n"
        "SNP PDUs\n"
@@ -1098,19 +1671,79 @@ DEFUN (no_area_passwd,
 
   if (!area)
     {
-      vty_out (vty, "Cant find IS-IS instance%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
     }
 
   memset (&area->area_passwd, 0, sizeof (struct isis_passwd));
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (domain_passwd_md5,
+       domain_passwd_md5_cmd,
+       "domain-password md5 WORD",
+       "Set the authentication password for a routing domain\n"
+       "Authentication type\n"
+       "Routing domain password\n")
+{
+  struct isis_area *area;
+  int len;
+
+  area = vty->index;
+
+  if (!area)
+    {
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
+    }
+
+  len = strlen (argv[0]);
+  if (len > 254)
+    {
+      vty_out (vty, "Too long area password (>254)%s", VTY_NEWLINE);
+      return CMD_ERR_AMBIGUOUS;
+    }
+
+  area->domain_passwd.len = (u_char) len;
+  area->domain_passwd.type = ISIS_PASSWD_TYPE_HMAC_MD5;
+  strncpy ((char *)area->domain_passwd.passwd, argv[0], 255);
+
+  if (argc > 1)
+    {
+      SET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_SEND);
+      if (strncmp(argv[1], "v", 1) == 0)
+	SET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_RECV);
+      else
+	UNSET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_RECV);
+    }
+  else
+    {
+      UNSET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_SEND);
+      UNSET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_RECV);
+    }
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
 
   return CMD_SUCCESS;
 }
 
-DEFUN (domain_passwd,
-       domain_passwd_cmd,
-       "domain-password WORD",
+ALIAS (domain_passwd_md5,
+       domain_passwd_md5_snpauth_cmd,
+       "domain-password md5 WORD authenticate snp (send-only|validate)",
+       "Set the authentication password for a routing domain\n"
+       "Authentication type\n"
+       "Routing domain password\n"
+       "Authentication\n"
+       "SNP PDUs\n"
+       "Send but do not check PDUs on receiving\n"
+       "Send and check PDUs on receiving\n");
+
+DEFUN (domain_passwd_clear,
+       domain_passwd_clear_cmd,
+       "domain-password clear WORD",
        "Set the authentication password for a routing domain\n"
+       "Authentication type\n"
        "Routing domain password\n")
 {
   struct isis_area *area;
@@ -1120,16 +1753,17 @@ DEFUN (domain_passwd,
 
   if (!area)
     {
-      vty_out (vty, "Cant find IS-IS instance%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
     }
 
   len = strlen (argv[0]);
   if (len > 254)
     {
       vty_out (vty, "Too long area password (>254)%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      return CMD_ERR_AMBIGUOUS;
     }
+
   area->domain_passwd.len = (u_char) len;
   area->domain_passwd.type = ISIS_PASSWD_TYPE_CLEARTXT;
   strncpy ((char *)area->domain_passwd.passwd, argv[0], 255);
@@ -1147,14 +1781,16 @@ DEFUN (domain_passwd,
       UNSET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_SEND);
       UNSET_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_RECV);
     }
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
 
   return CMD_SUCCESS;
 }
 
-ALIAS (domain_passwd,
-       domain_passwd_snpauth_cmd,
-       "domain-password WORD authenticate snp (send-only|validate)",
+ALIAS (domain_passwd_clear,
+       domain_passwd_clear_snpauth_cmd,
+       "domain-password clear WORD authenticate snp (send-only|validate)",
        "Set the authentication password for a routing domain\n"
+       "Authentication type\n"
        "Routing domain password\n"
        "Authentication\n"
        "SNP PDUs\n"
@@ -1163,7 +1799,7 @@ ALIAS (domain_passwd,
 
 DEFUN (no_domain_passwd,
        no_domain_passwd_cmd,
-       "no domain-password WORD",
+       "no domain-password",
        NO_STR
        "Set the authentication password for a routing domain\n")
 {
@@ -1173,11 +1809,12 @@ DEFUN (no_domain_passwd,
 
   if (!area)
     {
-      vty_out (vty, "Cant find IS-IS instance%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
     }
 
   memset (&area->domain_passwd, 0, sizeof (struct isis_passwd));
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
 
   return CMD_SUCCESS;
 }
@@ -1197,8 +1834,8 @@ DEFUN (is_type,
 
   if (!area)
     {
-      vty_out (vty, "Cant find IS-IS instance%s", VTY_NEWLINE);
-      return CMD_WARNING;
+      vty_out (vty, "Can't find IS-IS instance%s", VTY_NEWLINE);
+      return CMD_ERR_NO_MATCH;
     }
 
   type = string2circuit_t (argv[0]);
@@ -1229,8 +1866,9 @@ DEFUN (no_is_type,
   assert (area);
 
   /*
-   * Put the is-type back to default. Which is level-1-2 on first
-   * circuit for the area level-1 for the rest
+   * Put the is-type back to defaults:
+   * - level-1-2 on first area
+   * - level-1 for the rest
    */
   if (listgetdata (listhead (isis->area_list)) == area)
     type = IS_LEVEL_1_AND_2;
@@ -1242,6 +1880,36 @@ DEFUN (no_is_type,
   return CMD_SUCCESS;
 }
 
+static int
+set_lsp_gen_interval (struct vty *vty, struct isis_area *area,
+                      uint16_t interval, int level)
+{
+  int lvl;
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl)
+    {
+      if (!(lvl & level))
+        continue;
+
+      if (interval >= area->lsp_refresh[lvl-1])
+        {
+          vty_out (vty, "LSP gen interval %us must be less than "
+                   "the LSP refresh interval %us%s",
+                   interval, area->lsp_refresh[lvl-1], VTY_NEWLINE);
+          return CMD_ERR_AMBIGUOUS;
+        }
+    }
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl)
+    {
+      if (!(lvl & level))
+        continue;
+      area->lsp_gen_interval[lvl-1] = interval;
+    }
+
+  return CMD_SUCCESS;
+}
+
 DEFUN (lsp_gen_interval,
        lsp_gen_interval_cmd,
        "lsp-gen-interval <1-120>",
@@ -1250,15 +1918,12 @@ DEFUN (lsp_gen_interval,
 {
   struct isis_area *area;
   uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
   interval = atoi (argv[0]);
-  area->lsp_gen_interval[0] = interval;
-  area->lsp_gen_interval[1] = interval;
-
-  return CMD_SUCCESS;
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 DEFUN (no_lsp_gen_interval,
@@ -1268,14 +1933,13 @@ DEFUN (no_lsp_gen_interval,
        "Minimum interval between regenerating same LSP\n")
 {
   struct isis_area *area;
+  uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
-  area->lsp_gen_interval[0] = LSP_GEN_INTERVAL_DEFAULT;
-  area->lsp_gen_interval[1] = LSP_GEN_INTERVAL_DEFAULT;
-
-  return CMD_SUCCESS;
+  interval = DEFAULT_MIN_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 ALIAS (no_lsp_gen_interval,
@@ -1294,14 +1958,12 @@ DEFUN (lsp_gen_interval_l1,
 {
   struct isis_area *area;
   uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
   interval = atoi (argv[0]);
-  area->lsp_gen_interval[0] = interval;
-
-  return CMD_SUCCESS;
+  level = IS_LEVEL_1;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 DEFUN (no_lsp_gen_interval_l1,
@@ -1312,13 +1974,13 @@ DEFUN (no_lsp_gen_interval_l1,
        "Set interval for level 1 only\n")
 {
   struct isis_area *area;
+  uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
-  area->lsp_gen_interval[0] = LSP_GEN_INTERVAL_DEFAULT;
-
-  return CMD_SUCCESS;
+  interval = DEFAULT_MIN_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_1;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 ALIAS (no_lsp_gen_interval_l1,
@@ -1337,15 +1999,13 @@ DEFUN (lsp_gen_interval_l2,
        "Minimum interval in seconds\n")
 {
   struct isis_area *area;
-  int interval;
+  uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
   interval = atoi (argv[0]);
-  area->lsp_gen_interval[1] = interval;
-
-  return CMD_SUCCESS;
+  level = IS_LEVEL_2;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 DEFUN (no_lsp_gen_interval_l2,
@@ -1356,15 +2016,13 @@ DEFUN (no_lsp_gen_interval_l2,
        "Set interval for level 2 only\n")
 {
   struct isis_area *area;
-  int interval;
+  uint16_t interval;
+  int level;
 
   area = vty->index;
-  assert (area);
-
-  interval = atoi (argv[0]);
-  area->lsp_gen_interval[1] = LSP_GEN_INTERVAL_DEFAULT;
-
-  return CMD_SUCCESS;
+  interval = DEFAULT_MIN_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_2;
+  return set_lsp_gen_interval (vty, area, interval, level);
 }
 
 ALIAS (no_lsp_gen_interval_l2,
@@ -1384,6 +2042,8 @@ DEFUN (metric_style,
        "Use new style of TLVs to carry wider metric\n")
 {
   struct isis_area *area;
+  struct isis_circuit *circuit;
+  struct listnode *node;
 
   area = vty->index;
   assert (area);
@@ -1400,6 +2060,25 @@ DEFUN (metric_style,
     }
   else if (strncmp (argv[0], "n", 1) == 0)
     {
+      for (ALL_LIST_ELEMENTS_RO (area->circuit_list, node, circuit))
+        {
+          if ((area->is_type & IS_LEVEL_1) &&
+              (circuit->is_type & IS_LEVEL_1) &&
+              (circuit->metrics[0].metric_default > MAX_NARROW_LINK_METRIC))
+            {
+              vty_out (vty, "ISIS circuit %s metric is invalid%s",
+                       circuit->interface->name, VTY_NEWLINE);
+              return CMD_ERR_AMBIGUOUS;
+            }
+          if ((area->is_type & IS_LEVEL_2) &&
+              (circuit->is_type & IS_LEVEL_2) &&
+              (circuit->metrics[1].metric_default > MAX_NARROW_LINK_METRIC))
+            {
+              vty_out (vty, "ISIS circuit %s metric is invalid%s",
+                       circuit->interface->name, VTY_NEWLINE);
+              return CMD_ERR_AMBIGUOUS;
+            }
+        }
       area->newmetric = 0;
       area->oldmetric = 1;
     }
@@ -1425,6 +2104,40 @@ DEFUN (no_metric_style,
   return CMD_SUCCESS;
 }
 
+DEFUN (set_overload_bit,
+       set_overload_bit_cmd,
+       "set-overload-bit",
+       "Set overload bit to avoid any transit traffic\n"
+       "Set overload bit\n")
+{
+  struct isis_area *area;
+
+  area = vty->index;
+  assert (area);
+
+  area->overload_bit = LSPBIT_OL;
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (no_set_overload_bit,
+       no_set_overload_bit_cmd,
+       "no set-overload-bit",
+       "Reset overload bit to accept transit traffic\n"
+       "Reset overload bit\n")
+{
+  struct isis_area *area;
+
+  area = vty->index;
+  assert (area);
+
+  area->overload_bit = 0;
+  lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
+
+  return CMD_SUCCESS;
+}
+
 DEFUN (dynamic_hostname,
        dynamic_hostname_cmd,
        "hostname dynamic",
@@ -1436,7 +2149,11 @@ DEFUN (dynamic_hostname,
   area = vty->index;
   assert (area);
 
-  area->dynhostname = 1;
+  if (!area->dynhostname)
+   {
+     area->dynhostname = 1;
+     lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 0);
+   }
 
   return CMD_SUCCESS;
 }
@@ -1453,7 +2170,11 @@ DEFUN (no_dynamic_hostname,
   area = vty->index;
   assert (area);
 
-  area->dynhostname = 0;
+  if (area->dynhostname)
+    {
+      area->dynhostname = 0;
+      lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 0);
+    }
 
   return CMD_SUCCESS;
 }
@@ -1580,7 +2301,360 @@ ALIAS (no_spf_interval,
        "Set interval for level 2 only\n"
        "Minimum interval between consecutive SPFs in seconds\n")
 
+static int
+set_lsp_max_lifetime (struct vty *vty, struct isis_area *area,
+                      uint16_t interval, int level)
+{
+  int lvl;
+  int set_refresh_interval[ISIS_LEVELS] = {0, 0};
+  uint16_t refresh_interval;
+
+  refresh_interval = interval - 300;
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; lvl++)
+    {
+      if (!(lvl & level))
+        continue;
+      if (refresh_interval < area->lsp_refresh[lvl-1])
+        {
+          vty_out (vty, "Level %d Max LSP lifetime %us must be 300s greater than "
+                   "the configured LSP refresh interval %us%s",
+                   lvl, interval, area->lsp_refresh[lvl-1], VTY_NEWLINE);
+          vty_out (vty, "Automatically reducing level %d LSP refresh interval "
+                   "to %us%s", lvl, refresh_interval, VTY_NEWLINE);
+          set_refresh_interval[lvl-1] = 1;
+
+          if (refresh_interval <= area->lsp_gen_interval[lvl-1])
+            {
+              vty_out (vty, "LSP refresh interval %us must be greater than "
+                       "the configured LSP gen interval %us%s",
+                       refresh_interval, area->lsp_gen_interval[lvl-1],
+                       VTY_NEWLINE);
+              return CMD_ERR_AMBIGUOUS;
+            }
+        }
+    }
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; lvl++)
+    {
+      if (!(lvl & level))
+        continue;
+      area->max_lsp_lifetime[lvl-1] = interval;
+      /* Automatically reducing lsp_refresh_interval to interval - 300 */
+      if (set_refresh_interval[lvl-1])
+        area->lsp_refresh[lvl-1] = refresh_interval;
+    }
+
+  lsp_regenerate_schedule (area, level, 1);
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (max_lsp_lifetime,
+       max_lsp_lifetime_cmd,
+       "max-lsp-lifetime <350-65535>",
+       "Maximum LSP lifetime\n"
+       "LSP lifetime in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+DEFUN (no_max_lsp_lifetime,
+       no_max_lsp_lifetime_cmd,
+       "no max-lsp-lifetime",
+       NO_STR
+       "LSP lifetime in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_LSP_LIFETIME;
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+ALIAS (no_max_lsp_lifetime,
+       no_max_lsp_lifetime_arg_cmd,
+       "no max-lsp-lifetime <350-65535>",
+       NO_STR
+       "Maximum LSP lifetime\n"
+       "LSP lifetime in seconds\n")
+
+DEFUN (max_lsp_lifetime_l1,
+       max_lsp_lifetime_l1_cmd,
+       "max-lsp-lifetime level-1 <350-65535>",
+       "Maximum LSP lifetime for Level 1 only\n"
+       "LSP lifetime for Level 1 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_1;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+DEFUN (no_max_lsp_lifetime_l1,
+       no_max_lsp_lifetime_l1_cmd,
+       "no max-lsp-lifetime level-1",
+       NO_STR
+       "LSP lifetime for Level 1 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_LSP_LIFETIME;
+  level = IS_LEVEL_1;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+ALIAS (no_max_lsp_lifetime_l1,
+       no_max_lsp_lifetime_l1_arg_cmd,
+       "no max-lsp-lifetime level-1 <350-65535>",
+       NO_STR
+       "Maximum LSP lifetime for Level 1 only\n"
+       "LSP lifetime for Level 1 only in seconds\n")
+
+DEFUN (max_lsp_lifetime_l2,
+       max_lsp_lifetime_l2_cmd,
+       "max-lsp-lifetime level-2 <350-65535>",
+       "Maximum LSP lifetime for Level 2 only\n"
+       "LSP lifetime for Level 2 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_2;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+DEFUN (no_max_lsp_lifetime_l2,
+       no_max_lsp_lifetime_l2_cmd,
+       "no max-lsp-lifetime level-2",
+       NO_STR
+       "LSP lifetime for Level 2 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_LSP_LIFETIME;
+  level = IS_LEVEL_2;
+  return set_lsp_max_lifetime (vty, area, interval, level);
+}
+
+ALIAS (no_max_lsp_lifetime_l2,
+       no_max_lsp_lifetime_l2_arg_cmd,
+       "no max-lsp-lifetime level-2 <350-65535>",
+       NO_STR
+       "Maximum LSP lifetime for Level 2 only\n"
+       "LSP lifetime for Level 2 only in seconds\n")
+
+static int
+set_lsp_refresh_interval (struct vty *vty, struct isis_area *area,
+                          uint16_t interval, int level)
+{
+  int lvl;
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl)
+    {
+      if (!(lvl & level))
+        continue;
+      if (interval <= area->lsp_gen_interval[lvl-1])
+        {
+          vty_out (vty, "LSP refresh interval %us must be greater than "
+                   "the configured LSP gen interval %us%s",
+                   interval, area->lsp_gen_interval[lvl-1],
+                   VTY_NEWLINE);
+          return CMD_ERR_AMBIGUOUS;
+        }
+      if (interval > (area->max_lsp_lifetime[lvl-1] - 300))
+        {
+          vty_out (vty, "LSP refresh interval %us must be less than "
+                   "the configured LSP lifetime %us less 300%s",
+                   interval, area->max_lsp_lifetime[lvl-1],
+                   VTY_NEWLINE);
+          return CMD_ERR_AMBIGUOUS;
+        }
+    }
+
+  for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl)
+    {
+      if (!(lvl & level))
+        continue;
+      area->lsp_refresh[lvl-1] = interval;
+    }
+  lsp_regenerate_schedule (area, level, 1);
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (lsp_refresh_interval,
+       lsp_refresh_interval_cmd,
+       "lsp-refresh-interval <1-65235>",
+       "LSP refresh interval\n"
+       "LSP refresh interval in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+DEFUN (no_lsp_refresh_interval,
+       no_lsp_refresh_interval_cmd,
+       "no lsp-refresh-interval",
+       NO_STR
+       "LSP refresh interval in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_MAX_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_1 | IS_LEVEL_2;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+ALIAS (no_lsp_refresh_interval,
+       no_lsp_refresh_interval_arg_cmd,
+       "no lsp-refresh-interval <1-65235>",
+       NO_STR
+       "LSP refresh interval\n"
+       "LSP refresh interval in seconds\n")
+
+DEFUN (lsp_refresh_interval_l1,
+       lsp_refresh_interval_l1_cmd,
+       "lsp-refresh-interval level-1 <1-65235>",
+       "LSP refresh interval for Level 1 only\n"
+       "LSP refresh interval for Level 1 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_1;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+DEFUN (no_lsp_refresh_interval_l1,
+       no_lsp_refresh_interval_l1_cmd,
+       "no lsp-refresh-interval level-1",
+       NO_STR
+       "LSP refresh interval for Level 1 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_MAX_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_1;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+ALIAS (no_lsp_refresh_interval_l1,
+       no_lsp_refresh_interval_l1_arg_cmd,
+       "no lsp-refresh-interval level-1 <1-65235>",
+       NO_STR
+       "LSP refresh interval for Level 1 only\n"
+       "LSP refresh interval for Level 1 only in seconds\n")
+
+DEFUN (lsp_refresh_interval_l2,
+       lsp_refresh_interval_l2_cmd,
+       "lsp-refresh-interval level-2 <1-65235>",
+       "LSP refresh interval for Level 2 only\n"
+       "LSP refresh interval for Level 2 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = atoi (argv[0]);
+  level = IS_LEVEL_2;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+DEFUN (no_lsp_refresh_interval_l2,
+       no_lsp_refresh_interval_l2_cmd,
+       "no lsp-refresh-interval level-2",
+       NO_STR
+       "LSP refresh interval for Level 2 only in seconds\n")
+{
+  struct isis_area *area;
+  uint16_t interval;
+  int level;
+
+  area = vty->index;
+  interval = DEFAULT_MAX_LSP_GEN_INTERVAL;
+  level = IS_LEVEL_2;
+  return set_lsp_refresh_interval (vty, area, interval, level);
+}
+
+ALIAS (no_lsp_refresh_interval_l2,
+       no_lsp_refresh_interval_l2_arg_cmd,
+       "no lsp-refresh-interval level-2 <1-65235>",
+       NO_STR
+       "LSP refresh interval for Level 2 only\n"
+       "LSP refresh interval for Level 2 only in seconds\n")
+
+DEFUN (log_adj_changes,
+       log_adj_changes_cmd,
+       "log-adjacency-changes",
+       "Log changes in adjacency state\n")
+{
+  struct isis_area *area;
+
+  area = vty->index;
+  assert (area);
+
+  area->log_adj_changes = 1;
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (no_log_adj_changes,
+       no_log_adj_changes_cmd,
+       "no log-adjacency-changes",
+       "Stop logging changes in adjacency state\n")
+{
+  struct isis_area *area;
+
+  area = vty->index;
+  assert (area);
+
+  area->log_adj_changes = 0;
+
+  return CMD_SUCCESS;
+}
+
 #ifdef TOPOLOGY_GENERATE
+
 DEFUN (topology_generate_grid,
        topology_generate_grid_cmd,
        "topology generate grid <1-100> <1-100> <1-65000> [param] [param] "
@@ -1612,7 +2686,7 @@ DEFUN (topology_generate_grid,
       generate_topology_lsps (area);
       /* Regenerate L1 LSP to get two way connection to the generated
        * topology. */
-      lsp_regenerate_schedule (area);
+      lsp_regenerate_schedule (area, IS_LEVEL_1 | IS_LEVEL_2, 1);
     }
 
   return CMD_SUCCESS;
@@ -1622,7 +2696,7 @@ DEFUN (show_isis_generated_topology,
        show_isis_generated_topology_cmd,
        "show isis generated-topologies",
        SHOW_STR
-       "CLNS network information\n"
+       "ISIS network information\n"
        "Show generated topologies\n")
 {
   struct isis_area *area;
@@ -1706,182 +2780,8 @@ DEFUN (topology_basedynh,
   area->topology_basedynh = strndup (argv[0], 16); 
   return CMD_SUCCESS;
 }
-#endif /* TOPOLOGY_GENERATE */
-
-DEFUN (lsp_lifetime,
-       lsp_lifetime_cmd,
-       "lsp-lifetime <380-65535>",
-       "Maximum LSP lifetime\n"
-       "LSP lifetime in seconds\n")
-{
-  struct isis_area *area;
-  uint16_t interval;
-
-  area = vty->index;
-  assert (area);
-
-  interval = atoi (argv[0]);
-
-  if (interval < ISIS_MIN_LSP_LIFETIME)
-    {
-      vty_out (vty, "LSP lifetime (%us) below %us%s",
-	       interval, ISIS_MIN_LSP_LIFETIME, VTY_NEWLINE);
-
-      return CMD_WARNING;
-    }
-
-
-  area->max_lsp_lifetime[0] = interval;
-  area->max_lsp_lifetime[1] = interval;
-  area->lsp_refresh[0] = interval - 300;
-  area->lsp_refresh[1] = interval - 300;
-
-  if (area->t_lsp_refresh[0])
-    {
-      thread_cancel (area->t_lsp_refresh[0]);
-      thread_execute (master, lsp_refresh_l1, area, 0);
-    }
-
-  if (area->t_lsp_refresh[1])
-    {
-      thread_cancel (area->t_lsp_refresh[1]);
-      thread_execute (master, lsp_refresh_l2, area, 0);
-    }
-
-
-  return CMD_SUCCESS;
-}
-
-DEFUN (no_lsp_lifetime,
-       no_lsp_lifetime_cmd,
-       "no lsp-lifetime",
-       NO_STR
-       "LSP lifetime in seconds\n")
-{
-  struct isis_area *area;
-
-  area = vty->index;
-  assert (area);
-
-  area->max_lsp_lifetime[0] = MAX_AGE;	/* 1200s */
-  area->max_lsp_lifetime[1] = MAX_AGE;	/* 1200s */
-  area->lsp_refresh[0] = MAX_LSP_GEN_INTERVAL;	/*  900s */
-  area->lsp_refresh[1] = MAX_LSP_GEN_INTERVAL;	/*  900s */
-
-  return CMD_SUCCESS;
-}
-
-ALIAS (no_lsp_lifetime,
-       no_lsp_lifetime_arg_cmd,
-       "no lsp-lifetime <380-65535>",
-       NO_STR
-       "Maximum LSP lifetime\n"
-       "LSP lifetime in seconds\n")
-
-DEFUN (lsp_lifetime_l1,
-       lsp_lifetime_l1_cmd,
-       "lsp-lifetime level-1 <380-65535>",
-       "Maximum LSP lifetime for Level 1 only\n"
-       "LSP lifetime for Level 1 only in seconds\n")
-{
-  struct isis_area *area;
-  uint16_t interval;
-
-  area = vty->index;
-  assert (area);
-
-  interval = atoi (argv[0]);
-
-  if (interval < ISIS_MIN_LSP_LIFETIME)
-    {
-      vty_out (vty, "Level-1 LSP lifetime (%us) below %us%s",
-	       interval, ISIS_MIN_LSP_LIFETIME, VTY_NEWLINE);
-
-      return CMD_WARNING;
-    }
-
-
-  area->max_lsp_lifetime[0] = interval;
-  area->lsp_refresh[0] = interval - 300;
-
-  return CMD_SUCCESS;
-}
-
-DEFUN (no_lsp_lifetime_l1,
-       no_lsp_lifetime_l1_cmd,
-       "no lsp-lifetime level-1",
-       NO_STR
-       "LSP lifetime for Level 1 only in seconds\n")
-{
-  struct isis_area *area;
-
-  area = vty->index;
-  assert (area);
-
-  area->max_lsp_lifetime[0] = MAX_AGE;	/* 1200s */
-  area->lsp_refresh[0] = MAX_LSP_GEN_INTERVAL;	/*  900s */
-
-  return CMD_SUCCESS;
-}
-
-ALIAS (no_lsp_lifetime_l1,
-       no_lsp_lifetime_l1_arg_cmd,
-       "no lsp-lifetime level-1 <380-65535>",
-       NO_STR
-       "Maximum LSP lifetime for Level 1 only\n"
-       "LSP lifetime for Level 1 only in seconds\n")
-
-DEFUN (lsp_lifetime_l2,
-       lsp_lifetime_l2_cmd,
-       "lsp-lifetime level-2 <380-65535>",
-       "Maximum LSP lifetime for Level 2 only\n"
-       "LSP lifetime for Level 2 only in seconds\n")
-{
-  struct isis_area *area;
-  uint16_t interval;
-
-  area = vty->index;
-  assert (area);
-
-  interval = atoi (argv[0]);
-
-  if (interval < ISIS_MIN_LSP_LIFETIME)
-    {
-      vty_out (vty, "Level-2 LSP lifetime (%us) below %us%s",
-	       interval, ISIS_MIN_LSP_LIFETIME, VTY_NEWLINE);
-
-      return CMD_WARNING;
-    }
-
-  area->max_lsp_lifetime[1] = interval;
-  area->lsp_refresh[1] = interval - 300;
-
-  return CMD_SUCCESS;
-}
-
-DEFUN (no_lsp_lifetime_l2,
-       no_lsp_lifetime_l2_cmd,
-       "no lsp-lifetime level-2",
-       NO_STR
-       "LSP lifetime for Level 2 only in seconds\n")
-{
-  struct isis_area *area;
-
-  area = vty->index;
-  assert (area);
-
-  area->max_lsp_lifetime[1] = MAX_AGE;	/* 1200s */
-  area->lsp_refresh[1] = MAX_LSP_GEN_INTERVAL;	/*  900s */
-
-  return CMD_SUCCESS;
-}
 
-ALIAS (no_lsp_lifetime_l2,
-       no_lsp_lifetime_l2_arg_cmd,
-       "no lsp-lifetime level-2 <380-65535>",
-       NO_STR
-       "Maximum LSP lifetime for Level 2 only\n"
-       "LSP lifetime for Level 2 only in seconds\n")
+#endif /* TOPOLOGY_GENERATE */
 
 /* IS-IS configuration write function */
 int
@@ -1919,34 +2819,36 @@ isis_config_write (struct vty *vty)
 	    vty_out (vty, " no hostname dynamic%s", VTY_NEWLINE);
 	    write++;
 	  }
-	/* ISIS - Metric-Style - when true displays wide */
-	if (area->newmetric)
+	/* ISIS - Metric-Style - when true displays narrow */
+	if (area->oldmetric)
 	  {
-	    if (!area->oldmetric)
-	      vty_out (vty, " metric-style wide%s", VTY_NEWLINE);
+	    if (!area->newmetric)
+	      vty_out (vty, " metric-style narrow%s", VTY_NEWLINE);
 	    else
 	      vty_out (vty, " metric-style transition%s", VTY_NEWLINE);
 	    write++;
 	  }
-
+	/* ISIS - overload-bit */
+	if (area->overload_bit)
+	  {
+	    vty_out (vty, " set-overload-bit%s", VTY_NEWLINE);
+	    write++;
+	  }
 	/* ISIS - Area is-type (level-1-2 is default) */
 	if (area->is_type == IS_LEVEL_1)
 	  {
 	    vty_out (vty, " is-type level-1%s", VTY_NEWLINE);
 	    write++;
 	  }
-	else
+	else if (area->is_type == IS_LEVEL_2)
 	  {
-	    if (area->is_type == IS_LEVEL_2)
-	      {
-		vty_out (vty, " is-type level-2-only%s", VTY_NEWLINE);
-		write++;
-	      }
+	    vty_out (vty, " is-type level-2-only%s", VTY_NEWLINE);
+	    write++;
 	  }
 	/* ISIS - Lsp generation interval */
 	if (area->lsp_gen_interval[0] == area->lsp_gen_interval[1])
 	  {
-	    if (area->lsp_gen_interval[0] != LSP_GEN_INTERVAL_DEFAULT)
+	    if (area->lsp_gen_interval[0] != DEFAULT_MIN_LSP_GEN_INTERVAL)
 	      {
 		vty_out (vty, " lsp-gen-interval %d%s",
 			 area->lsp_gen_interval[0], VTY_NEWLINE);
@@ -1955,13 +2857,13 @@ isis_config_write (struct vty *vty)
 	  }
 	else
 	  {
-	    if (area->lsp_gen_interval[0] != LSP_GEN_INTERVAL_DEFAULT)
+	    if (area->lsp_gen_interval[0] != DEFAULT_MIN_LSP_GEN_INTERVAL)
 	      {
 		vty_out (vty, " lsp-gen-interval level-1 %d%s",
 			 area->lsp_gen_interval[0], VTY_NEWLINE);
 		write++;
 	      }
-	    if (area->lsp_gen_interval[1] != LSP_GEN_INTERVAL_DEFAULT)
+	    if (area->lsp_gen_interval[1] != DEFAULT_MIN_LSP_GEN_INTERVAL)
 	      {
 		vty_out (vty, " lsp-gen-interval level-2 %d%s",
 			 area->lsp_gen_interval[1], VTY_NEWLINE);
@@ -1971,28 +2873,53 @@ isis_config_write (struct vty *vty)
 	/* ISIS - LSP lifetime */
 	if (area->max_lsp_lifetime[0] == area->max_lsp_lifetime[1])
 	  {
-	    if (area->max_lsp_lifetime[0] != MAX_AGE)
+	    if (area->max_lsp_lifetime[0] != DEFAULT_LSP_LIFETIME)
 	      {
-		vty_out (vty, " lsp-lifetime %u%s", area->max_lsp_lifetime[0],
+		vty_out (vty, " max-lsp-lifetime %u%s", area->max_lsp_lifetime[0],
 			 VTY_NEWLINE);
 		write++;
 	      }
 	  }
 	else
 	  {
-	    if (area->max_lsp_lifetime[0] != MAX_AGE)
+	    if (area->max_lsp_lifetime[0] != DEFAULT_LSP_LIFETIME)
 	      {
-		vty_out (vty, " lsp-lifetime level-1 %u%s",
+		vty_out (vty, " max-lsp-lifetime level-1 %u%s",
 			 area->max_lsp_lifetime[0], VTY_NEWLINE);
 		write++;
 	      }
-	    if (area->max_lsp_lifetime[1] != MAX_AGE)
+	    if (area->max_lsp_lifetime[1] != DEFAULT_LSP_LIFETIME)
 	      {
-		vty_out (vty, " lsp-lifetime level-2 %u%s",
+		vty_out (vty, " max-lsp-lifetime level-2 %u%s",
 			 area->max_lsp_lifetime[1], VTY_NEWLINE);
 		write++;
 	      }
 	  }
+	/* ISIS - LSP refresh interval */
+	if (area->lsp_refresh[0] == area->lsp_refresh[1])
+	  {
+	    if (area->lsp_refresh[0] != DEFAULT_MAX_LSP_GEN_INTERVAL)
+	      {
+		vty_out (vty, " lsp-refresh-interval %u%s", area->lsp_refresh[0],
+			 VTY_NEWLINE);
+		write++;
+	      }
+	  }
+	else
+	  {
+	    if (area->lsp_refresh[0] != DEFAULT_MAX_LSP_GEN_INTERVAL)
+	      {
+		vty_out (vty, " lsp-refresh-interval level-1 %u%s",
+			 area->lsp_refresh[0], VTY_NEWLINE);
+		write++;
+	      }
+	    if (area->lsp_refresh[1] != DEFAULT_MAX_LSP_GEN_INTERVAL)
+	      {
+		vty_out (vty, " lsp-refresh-interval level-2 %u%s",
+			 area->lsp_refresh[1], VTY_NEWLINE);
+		write++;
+	      }
+	  }
 	/* Minimum SPF interval. */
 	if (area->min_spf_interval[0] == area->min_spf_interval[1])
 	  {
@@ -2019,9 +2946,23 @@ isis_config_write (struct vty *vty)
 	      }
 	  }
 	/* Authentication passwords. */
-	if (area->area_passwd.len > 0)
+	if (area->area_passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5)
 	  {
-	    vty_out(vty, " area-password %s", area->area_passwd.passwd);
+	    vty_out(vty, " area-password md5 %s", area->area_passwd.passwd);
+	    if (CHECK_FLAG(area->area_passwd.snp_auth, SNP_AUTH_SEND))
+	      {
+		vty_out(vty, " authenticate snp ");
+		if (CHECK_FLAG(area->area_passwd.snp_auth, SNP_AUTH_RECV))
+		  vty_out(vty, "validate");
+		else
+		  vty_out(vty, "send-only");
+	      }
+	    vty_out(vty, "%s", VTY_NEWLINE);
+	    write++; 
+	  }
+        else if (area->area_passwd.type == ISIS_PASSWD_TYPE_CLEARTXT)
+          {
+	    vty_out(vty, " area-password clear %s", area->area_passwd.passwd);
 	    if (CHECK_FLAG(area->area_passwd.snp_auth, SNP_AUTH_SEND))
 	      {
 		vty_out(vty, " authenticate snp ");
@@ -2032,10 +2973,26 @@ isis_config_write (struct vty *vty)
 	      }
 	    vty_out(vty, "%s", VTY_NEWLINE);
 	    write++; 
-	  }  
-	if (area->domain_passwd.len > 0)
+          }
+	if (area->domain_passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5)
+	  {
+            vty_out(vty, " domain-password md5 %s",
+                    area->domain_passwd.passwd);
+	    if (CHECK_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_SEND))
+	      {
+		vty_out(vty, " authenticate snp ");
+		if (CHECK_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_RECV))
+		  vty_out(vty, "validate");
+		else
+		  vty_out(vty, "send-only");
+	      }
+	    vty_out(vty, "%s", VTY_NEWLINE);
+	    write++;
+	  }
+        else if (area->domain_passwd.type == ISIS_PASSWD_TYPE_CLEARTXT)
 	  {
-	    vty_out(vty, " domain-password %s", area->domain_passwd.passwd);
+	    vty_out(vty, " domain-password clear %s",
+                    area->domain_passwd.passwd); 
 	    if (CHECK_FLAG(area->domain_passwd.snp_auth, SNP_AUTH_SEND))
 	      {
 		vty_out(vty, " authenticate snp ");
@@ -2048,12 +3005,18 @@ isis_config_write (struct vty *vty)
 	    write++;
 	  }
 
+	if (area->log_adj_changes)
+	  {
+	    vty_out (vty, " log-adjacency-changes%s", VTY_NEWLINE);
+	    write++;
+	  }
+
 #ifdef TOPOLOGY_GENERATE
 	if (memcmp (area->topology_baseis, DEFAULT_TOPOLOGY_BASEIS,
 		    ISIS_SYS_ID_LEN))
 	  {
 	    vty_out (vty, " topology base-is %s%s",
-		     sysid_print (area->topology_baseis), VTY_NEWLINE);
+		     sysid_print ((u_char *)area->topology_baseis), VTY_NEWLINE);
 	    write++;
 	  }
 	if (area->topology_basedynh)
@@ -2076,7 +3039,7 @@ isis_config_write (struct vty *vty)
   return write;
 }
 
-static struct cmd_node isis_node = {
+struct cmd_node isis_node = {
   ISIS_NODE,
   "%s(config-router)# ",
   1
@@ -2088,23 +3051,43 @@ isis_init ()
   /* Install IS-IS top node */
   install_node (&isis_node, isis_config_write);
 
-  install_element (VIEW_NODE, &show_clns_neighbors_cmd);
-  install_element (VIEW_NODE, &show_isis_neighbors_cmd);
-  install_element (VIEW_NODE, &show_clns_neighbors_detail_cmd);
-  install_element (VIEW_NODE, &show_isis_neighbors_detail_cmd);
+  install_element (VIEW_NODE, &show_isis_summary_cmd);
+
+  install_element (VIEW_NODE, &show_isis_interface_cmd);
+  install_element (VIEW_NODE, &show_isis_interface_detail_cmd);
+  install_element (VIEW_NODE, &show_isis_interface_arg_cmd);
+
+  install_element (VIEW_NODE, &show_isis_neighbor_cmd);
+  install_element (VIEW_NODE, &show_isis_neighbor_detail_cmd);
+  install_element (VIEW_NODE, &show_isis_neighbor_arg_cmd);
+  install_element (VIEW_NODE, &clear_isis_neighbor_cmd);
+  install_element (VIEW_NODE, &clear_isis_neighbor_arg_cmd);
 
   install_element (VIEW_NODE, &show_hostname_cmd);
   install_element (VIEW_NODE, &show_database_cmd);
+  install_element (VIEW_NODE, &show_database_arg_cmd);
+  install_element (VIEW_NODE, &show_database_arg_detail_cmd);
   install_element (VIEW_NODE, &show_database_detail_cmd);
+  install_element (VIEW_NODE, &show_database_detail_arg_cmd);
+
+  install_element (ENABLE_NODE, &show_isis_summary_cmd);
+
+  install_element (ENABLE_NODE, &show_isis_interface_cmd);
+  install_element (ENABLE_NODE, &show_isis_interface_detail_cmd);
+  install_element (ENABLE_NODE, &show_isis_interface_arg_cmd);
 
-  install_element (ENABLE_NODE, &show_clns_neighbors_cmd);
-  install_element (ENABLE_NODE, &show_isis_neighbors_cmd);
-  install_element (ENABLE_NODE, &show_clns_neighbors_detail_cmd);
-  install_element (ENABLE_NODE, &show_isis_neighbors_detail_cmd);
+  install_element (ENABLE_NODE, &show_isis_neighbor_cmd);
+  install_element (ENABLE_NODE, &show_isis_neighbor_detail_cmd);
+  install_element (ENABLE_NODE, &show_isis_neighbor_arg_cmd);
+  install_element (ENABLE_NODE, &clear_isis_neighbor_cmd);
+  install_element (ENABLE_NODE, &clear_isis_neighbor_arg_cmd);
 
   install_element (ENABLE_NODE, &show_hostname_cmd);
   install_element (ENABLE_NODE, &show_database_cmd);
+  install_element (ENABLE_NODE, &show_database_arg_cmd);
+  install_element (ENABLE_NODE, &show_database_arg_detail_cmd);
   install_element (ENABLE_NODE, &show_database_detail_cmd);
+  install_element (ENABLE_NODE, &show_database_detail_arg_cmd);
   install_element (ENABLE_NODE, &show_debugging_cmd);
 
   install_node (&debug_node, config_write_debug);
@@ -2131,6 +3114,8 @@ isis_init ()
   install_element (ENABLE_NODE, &no_debug_isis_rtevents_cmd);
   install_element (ENABLE_NODE, &debug_isis_events_cmd);
   install_element (ENABLE_NODE, &no_debug_isis_events_cmd);
+  install_element (ENABLE_NODE, &debug_isis_packet_dump_cmd);
+  install_element (ENABLE_NODE, &no_debug_isis_packet_dump_cmd);
 
   install_element (CONFIG_NODE, &debug_isis_adj_cmd);
   install_element (CONFIG_NODE, &no_debug_isis_adj_cmd);
@@ -2154,6 +3139,8 @@ isis_init ()
   install_element (CONFIG_NODE, &no_debug_isis_rtevents_cmd);
   install_element (CONFIG_NODE, &debug_isis_events_cmd);
   install_element (CONFIG_NODE, &no_debug_isis_events_cmd);
+  install_element (CONFIG_NODE, &debug_isis_packet_dump_cmd);
+  install_element (CONFIG_NODE, &no_debug_isis_packet_dump_cmd);
 
   install_element (CONFIG_NODE, &router_isis_cmd);
   install_element (CONFIG_NODE, &no_router_isis_cmd);
@@ -2166,12 +3153,16 @@ isis_init ()
   install_element (ISIS_NODE, &is_type_cmd);
   install_element (ISIS_NODE, &no_is_type_cmd);
 
-  install_element (ISIS_NODE, &area_passwd_cmd);
-  install_element (ISIS_NODE, &area_passwd_snpauth_cmd);
+  install_element (ISIS_NODE, &area_passwd_md5_cmd);
+  install_element (ISIS_NODE, &area_passwd_md5_snpauth_cmd);
+  install_element (ISIS_NODE, &area_passwd_clear_cmd);
+  install_element (ISIS_NODE, &area_passwd_clear_snpauth_cmd);
   install_element (ISIS_NODE, &no_area_passwd_cmd);
 
-  install_element (ISIS_NODE, &domain_passwd_cmd);
-  install_element (ISIS_NODE, &domain_passwd_snpauth_cmd);
+  install_element (ISIS_NODE, &domain_passwd_md5_cmd);
+  install_element (ISIS_NODE, &domain_passwd_md5_snpauth_cmd);
+  install_element (ISIS_NODE, &domain_passwd_clear_cmd);
+  install_element (ISIS_NODE, &domain_passwd_clear_snpauth_cmd);
   install_element (ISIS_NODE, &no_domain_passwd_cmd);
 
   install_element (ISIS_NODE, &lsp_gen_interval_cmd);
@@ -2194,21 +3185,38 @@ isis_init ()
   install_element (ISIS_NODE, &no_spf_interval_l2_cmd);
   install_element (ISIS_NODE, &no_spf_interval_l2_arg_cmd);
 
-  install_element (ISIS_NODE, &lsp_lifetime_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_arg_cmd);
-  install_element (ISIS_NODE, &lsp_lifetime_l1_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_l1_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_l1_arg_cmd);
-  install_element (ISIS_NODE, &lsp_lifetime_l2_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_l2_cmd);
-  install_element (ISIS_NODE, &no_lsp_lifetime_l2_arg_cmd);
+  install_element (ISIS_NODE, &max_lsp_lifetime_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_arg_cmd);
+  install_element (ISIS_NODE, &max_lsp_lifetime_l1_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_l1_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_l1_arg_cmd);
+  install_element (ISIS_NODE, &max_lsp_lifetime_l2_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_l2_cmd);
+  install_element (ISIS_NODE, &no_max_lsp_lifetime_l2_arg_cmd);
+
+  install_element (ISIS_NODE, &lsp_refresh_interval_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_arg_cmd);
+  install_element (ISIS_NODE, &lsp_refresh_interval_l1_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_l1_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_l1_arg_cmd);
+  install_element (ISIS_NODE, &lsp_refresh_interval_l2_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_l2_cmd);
+  install_element (ISIS_NODE, &no_lsp_refresh_interval_l2_arg_cmd);
+
+  install_element (ISIS_NODE, &set_overload_bit_cmd);
+  install_element (ISIS_NODE, &no_set_overload_bit_cmd);
 
   install_element (ISIS_NODE, &dynamic_hostname_cmd);
   install_element (ISIS_NODE, &no_dynamic_hostname_cmd);
 
   install_element (ISIS_NODE, &metric_style_cmd);
   install_element (ISIS_NODE, &no_metric_style_cmd);
+
+  install_element (ISIS_NODE, &log_adj_changes_cmd);
+  install_element (ISIS_NODE, &no_log_adj_changes_cmd);
+
 #ifdef TOPOLOGY_GENERATE
   install_element (ISIS_NODE, &topology_generate_grid_cmd);
   install_element (ISIS_NODE, &topology_baseis_cmd);
@@ -2218,9 +3226,4 @@ isis_init ()
   install_element (VIEW_NODE, &show_isis_generated_topology_cmd);
   install_element (ENABLE_NODE, &show_isis_generated_topology_cmd);
 #endif /* TOPOLOGY_GENERATE */
-
-  isis_new (0);
-  isis_circuit_init ();
-  isis_zebra_init ();
-  isis_spf_cmds_init ();
 }