diff --git a/xCAT-server/lib/xcat/plugins/debian.pm b/xCAT-server/lib/xcat/plugins/debian.pm
index ffab2ab89..f67afa9c1 100644
--- a/xCAT-server/lib/xcat/plugins/debian.pm
+++ b/xCAT-server/lib/xcat/plugins/debian.pm
@@ -889,6 +889,8 @@ sub mknetboot
     my $installroot;
     $installroot = "/install";
     my $xcatdport = "3001";
+    my $xcatiport = "3002";
+    my $nodestatus = "y";
 
     if ($sitetab)
     {
@@ -902,11 +904,21 @@ sub mknetboot
         {
             $xcatdport = $ref->{value};
         }
+        ($ref) = $sitetab->getAttribs({key => 'xcatiport'}, 'value');
+        if ($ref and $ref->{value})
+        {
+            $xcatiport = $ref->{value};
+        }
         ($ref) = $sitetab->getAttribs({key => 'tftpdir'}, 'value');
         if ($ref and $ref->{value})
         {
             $globaltftpdir = $ref->{value};
         }
+        ($ref) = $sitetab->getAttribs({key => 'nodestatus'}, 'value');
+        if ($ref and $ref->{value})
+        {
+            $nodestatus = $ref->{value};
+        }
     }
     my %donetftp=();
     my %oents = %{$ostab->getNodesAttribs(\@nodes,[qw(os arch profile provmethod)])};
@@ -1307,6 +1319,9 @@ sub mknetboot
                 $kcmdline =  "imgurl=http://$imgsrv/$rootimgdir/rootimg-statelite.gz STATEMNT=";
             }
 
+        if(($nodestatus eq "n") or ($nodestatus eq "N") or ($nodestatus eq "0")){
+            $kcmdline .= " nonodestatus ";
+        }
 
 
         # add support for subVars in the value of "statemnt"
diff --git a/xCAT-server/share/xcat/install/scripts/pre.ubuntu b/xCAT-server/share/xcat/install/scripts/pre.ubuntu
index 95c95ece9..e6bcf76b9 100644
--- a/xCAT-server/share/xcat/install/scripts/pre.ubuntu
+++ b/xCAT-server/share/xcat/install/scripts/pre.ubuntu
@@ -63,9 +63,18 @@ cat >/tmp/foo.sh <<EOF
 if [ \$# -eq 0 ]; then
     xcatdhost="#XCATVAR:XCATMASTER#"
     xcatdport="#TABLE:site:key=xcatiport:value#"
+    NODESTATUS="NODESTATUS=#TABLEBLANKOKAY:site:key=nodestatus:value#"
+
 
     /usr/bin/nc "\$xcatdhost" "\$xcatdport" -e /tmp/foo.sh install_monitor &
 
+    if [ -z "\$NODESTATUS" ] || [ "\$NODESTATUS" != "0" -a   "\$NODESTATUS" != "N"  -a  "\$NODESTATUS" != "n" ];
+ then
+
+        /usr/bin/nc "\$xcatdhost" "\$xcatdport" -e /tmp/foo.sh installstatus installing &
+
+    fi
+
     while true; do
         /usr/bin/nc -l -p 3001 -e /tmp/foo.sh serve_client
     done
@@ -92,6 +101,26 @@ if [ "\$1" = "install_monitor" ]; then
     exit 0
 fi
 
+#
+#  If the script was called with the "installstatus" argument, stdin and stdout are
+#  connected to an xCAT daemon on the master.  
+#  Write the "installstatus xx" request to the daemon to update thenode installation status.
+if [ "\$1" = "installstatus" ]; then
+    cmd=""
+    while [ "\$cmd" != "done" ]; do
+        read cmd remainder
+    
+        if [ "\$cmd" == "ready" ]; then
+            echo "installstatus \$2"
+        fi
+    done
+
+    exit 0
+fi
+
+
+
+
 #
 #  When execution reaches here, script called with "serve_client" argument, which means
 #  stdin and stdout are connected to a client.  Read the request from the client, provide
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/genimage b/xCAT-server/share/xcat/netboot/ubuntu/genimage
index aa4dcda2f..ab9354ab8 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/genimage
+++ b/xCAT-server/share/xcat/netboot/ubuntu/genimage
@@ -959,6 +959,8 @@ grep '\(debug\)' /proc/cmdline > /dev/null && export DEBUG=1
 # TODO: does "anaconda.busybox sh" support "set " ?
 
 PRINIC=$prinic
+NODESTATUS='y'
+XCATIPORT="3002"
 
 for i in `cat /proc/cmdline`; do
     KEY=`echo \$i |awk -F= '{print \$1}'`
@@ -971,7 +973,17 @@ for i in `cat /proc/cmdline`; do
         VALUE=`echo \$i |awk -F= '{print \$2}'`
         # format: XCAT=xcatmaster:3001
         XCATSERVER=\$VALUE
+    elif [ "\$KEY" == 'XCATIPORT' ]; then
+        VALUE=`echo \$i |awk -F= '{print \$2}'`
+        # format: XCAT=xcatmaster:3001
+        XCATIPORT=\$VALUE
     fi
+    
+    #if "nonodestatus" specified,do not update the nodestatus 
+    if [ \$i == 'nonodestatus' ]; then
+       NODESTATUS='n'
+    fi
+
 done
 
 if [ -z "\$IFACE" ]; then
@@ -998,6 +1010,16 @@ while ! ifconfig | grep 'inet addr'; do
 done
 ifconfig lo 127.0.0.1
 ifconfig lo up
+
+
+XCATMASTER=`echo \$XCATSERVER|awk -F: '{print \$1}'`
+
+
+#update nodelist.nodestatus to "netbooting"
+if [ \$NODESTATUS != 'n' ]; then
+    /tmp/updateflag \$XCATMASTER \$XCATIPORT "installstatus netbooting"
+fi
+
 cd /
 for i in `cat /proc/cmdline`; do
    KEY=`echo \$i |awk -F= '{print \$1}'`