2004-07-09 Sowmini Varadhan <sowmini.varadhan@sun.com>

        * bgp_packet.c: (bgp_collision_detect) Send NOTIFY on new socket
          if that is connection we're closing.
          (bgp_read) invalid marker check applies to KEEPALIVE too.
        * bgp_route.c: Ignore multicast NRLI, dont send NOTIFY.
diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c
index 316c44e..37f5afd 100644
--- a/bgpd/bgp_packet.c
+++ b/bgpd/bgp_packet.c
@@ -1117,7 +1117,8 @@
 		 OpenConfirm state). */
 
 	      if (new->fd >= 0)
-		bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_COLLISION_RESOLUTION);
+		bgp_notify_send (new, BGP_NOTIFY_CEASE, 
+			         BGP_NOTIFY_CEASE_COLLISION_RESOLUTION);
 	      return -1;
 	    }
 	}
@@ -2147,7 +2148,7 @@
 		   peer->host, type, size - BGP_HEADER_SIZE);
 
       /* Marker check */
-      if (type == BGP_MSG_OPEN
+      if (((type == BGP_MSG_OPEN) || (type == BGP_MSG_KEEPALIVE))
 	  && ! bgp_marker_all_one (peer->ibuf, BGP_MARKER_SIZE))
 	{
 	  bgp_notify_send (peer,
@@ -2219,7 +2220,7 @@
     {
     case BGP_MSG_OPEN:
       peer->open_in++;
-      bgp_open_receive (peer, size);
+      bgp_open_receive (peer, size); /* XXX return value ignored! */
       break;
     case BGP_MSG_UPDATE:
       peer->readtime = time(NULL);    /* Last read timer reset */