diff --git a/isisd/ChangeLog b/isisd/ChangeLog
index 4bd3494..262f53c 100644
--- a/isisd/ChangeLog
+++ b/isisd/ChangeLog
@@ -1,3 +1,10 @@
+2004-09-20 LIU Xin <lx at ns.6test.edu.cn>
+
+	* isis_dr.c, isis_events.c: Remove hello multiplier usage while
+	  scheduling DIS election.
+	* isis_pdu.c: Don't call isis_event_dis_status_change() whenever
+	  l[1|2]_desig_is is different from hdr.lan_id.
+
 2004-09-19 Hasso Tepper <hasso at quagga.net>
 
 	* isis_spf.h: Renamed t_spf_periodic to t_spf as it's not used to
diff --git a/isisd/isis_dr.c b/isisd/isis_dr.c
index b44d212..d7f3dfd 100644
--- a/isisd/isis_dr.c
+++ b/isisd/isis_dr.c
@@ -311,12 +311,10 @@
   circuit->u.bc.run_dr_elect[level - 1] = 0;
   if (level == 1)
     THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1,
-		     circuit, 2 * circuit->hello_multiplier[0] *
-		     circuit->hello_interval[0]);
+		     circuit, 2 * circuit->hello_interval[0]);
   else
     THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2,
-		     circuit, 2 * circuit->hello_multiplier[1] *
-		     circuit->hello_interval[1]);
+		     circuit, 2 * circuit->hello_interval[1]);
   circuit->u.bc.is_dr[level - 1] = 1;
 
   if (level == 1)
diff --git a/isisd/isis_events.c b/isisd/isis_events.c
index 16c6991..4f84388 100644
--- a/isisd/isis_events.c
+++ b/isisd/isis_events.c
@@ -146,8 +146,6 @@
 void
 circuit_commence_level (struct isis_circuit *circuit, int level)
 {
-  uint32_t interval;
-
   if (level == 1)
     {
       THREAD_TIMER_ON (master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
@@ -155,11 +153,8 @@
 
       if (circuit->circ_type == CIRCUIT_T_BROADCAST)
 	{
-	  interval =
-	    circuit->hello_multiplier[0] * (circuit->hello_interval[0]);
-
 	  THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1,
-			   circuit, interval);
+			   circuit, 2 * circuit->hello_interval[1]);
 
 	  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[0],
 			   send_lan_l1_hello, circuit,
@@ -176,11 +171,8 @@
 
       if (circuit->circ_type == CIRCUIT_T_BROADCAST)
 	{
-	  interval =
-	    circuit->hello_multiplier[1] * (circuit->hello_interval[1]);
-
 	  THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2,
-			   circuit, interval);
+			   circuit, 2 * circuit->hello_interval[1]);
 
 	  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[1],
 			   send_lan_l2_hello, circuit,
diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index cd68528..bf8c14f 100644
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -825,40 +825,26 @@
 				 circuit->u.bc.lan_neighs[level - 1]);
     }
 
-  switch (level)
-    {
-    case 1:
-      if (memcmp (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
-	{
-	  thread_add_event (master, isis_event_dis_status_change, circuit, 0);
-	  if (adj->dis_record[level-1].dis == ISIS_IS_DIS)
+  if(adj->dis_record[level-1].dis==ISIS_IS_DIS)
+    switch (level)
+      {
+      case 1:
+	if (memcmp (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
+	  {
+	    thread_add_event (master, isis_event_dis_status_change, circuit, 0);
 	    memcpy (&circuit->u.bc.l1_desig_is, hdr.lan_id,
 		    ISIS_SYS_ID_LEN + 1);
-	}
-      break;
-    case 2:
-      if (memcmp (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
-	{
-	  thread_add_event (master, isis_event_dis_status_change, circuit, 0);
-	  if (adj->dis_record[level-1].dis == ISIS_IS_DIS)
+	  }
+	break;
+      case 2:
+	if (memcmp (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
+	  {
+	    thread_add_event (master, isis_event_dis_status_change, circuit, 0);
 	    memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id,
 		    ISIS_SYS_ID_LEN + 1);
-	}
-      break;
-    }
-
-#if 0
-  /* Old solution: believe the lan-header always
-   */
-  if (level == 1)
-    {
-      memcpy (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
-    }
-  else if (level == 2)
-    {
-      memcpy (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
-    }
-#endif
+	  }
+	break;
+      }
 
   adj->hold_time = hdr.hold_time;
   adj->last_upd = time (NULL);