commit 64a7afd6de67eebda09a6766aa27dbd722539363
author hasso <hasso> Tue Sep 14 11:05:13 2004 +0000
committer hasso <hasso> Tue Sep 14 11:05:13 2004 +0000
tree 484ef68fd5f186cb957852f136c8f5f1aeb364f6
parent ae399ab0cf6387385cc9958d64309a838467055f

isis_pdu.c: Update l1_desig_is only if neighbor really is DIS.

isisd/isis_pdu.c

diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index c7142ee..1ecdab4 100644
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -839,16 +839,18 @@
       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);
+	  if (adj->dis_record[level-1].dis == ISIS_IS_DIS)
+	    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);
-	  memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id,
-		  ISIS_SYS_ID_LEN + 1);
+	  if (adj->dis_record[level-1].dis == ISIS_IS_DIS)
+	    memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id,
+		    ISIS_SYS_ID_LEN + 1);
 	}
       break;
     }