diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index 446634564..7e622fff6 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -31,7 +31,7 @@ use strict;
 my @cpiopid;
 my $httpmethod="http";
 my $httpport="80";
-
+my $useflowcontrol="0";
 
 
 sub handled_commands
@@ -117,6 +117,7 @@ sub process_request
     my $path     = undef;
     if ($::XCATSITEVALS{"httpmethod"}) { $httpmethod = $::XCATSITEVALS{"httpmethod"}; }
     if ($::XCATSITEVALS{"httpport"}) { $httpport = $::XCATSITEVALS{"httpport"}; }
+    if ($::XCATSITEVALS{"useflowcontrol"}) { $useflowcontrol = $::XCATSITEVALS{"useflowcontrol"}; }
 
     if ($request->{command}->[0] eq 'copycd')
     {
@@ -722,6 +723,8 @@ sub mknetboot
               "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg.$suffix ";
               $kcmdline .= "XCAT=$xcatmaster:$xcatdport ";
             $kcmdline .= "NODE=$node ";
+            # add flow control setting
+            $kcmdline .= "FC=$useflowcontrol ";
         }
         #inform statelite/stateless node not to  update the nodestatus during provision 
         if(($nodestatus eq "n") or ($nodestatus eq "N") or ($nodestatus eq "0")){
diff --git a/xCAT-server/lib/xcat/plugins/debian.pm b/xCAT-server/lib/xcat/plugins/debian.pm
index 66ac98d99..6908d4188 100644
--- a/xCAT-server/lib/xcat/plugins/debian.pm
+++ b/xCAT-server/lib/xcat/plugins/debian.pm
@@ -22,6 +22,7 @@ use File::Copy;
 use Socket;
 
 #use strict;
+my $useflowcontrol="0";
 my @cpiopid;
 
 ##############################################################################
@@ -129,6 +130,7 @@ sub process_request
     my $distname = undef;
     my $arch     = undef;
     my $path     = undef;
+    if ($::XCATSITEVALS{"useflowcontrol"}) { $useflowcontrol = $::XCATSITEVALS{"useflowcontrol"}; }
     if ($request->{command}->[0] eq 'copycd')
     {
         return copycd($request, $callback, $doreq);
@@ -1362,6 +1364,8 @@ sub mknetboot
 			"XCAT=$xcatmaster:$xcatdport ";
 		$kcmdline .=
 			"NODE=$node ";
+                # add flow control setting
+                $kcmdline .= "FC=$useflowcontrol ";
         # BEGIN service node
         my $isSV = xCAT::Utils->isServiceNode();
         my $res = xCAT::Utils->runcmd("hostname", 0);
diff --git a/xCAT-server/lib/xcat/plugins/sles.pm b/xCAT-server/lib/xcat/plugins/sles.pm
index d887ce0a1..f434f918c 100644
--- a/xCAT-server/lib/xcat/plugins/sles.pm
+++ b/xCAT-server/lib/xcat/plugins/sles.pm
@@ -23,6 +23,7 @@ use File::Copy;
 use File::Temp qw/mkdtemp/;
 my $httpmethod = "http";
 my $httpport = "80";
+my $useflowcontrol="0";
 use File::Find;
 use File::Basename;
 use Digest::MD5 qw(md5_hex);
@@ -575,6 +576,8 @@ sub mknetboot
         }
 
         $kcmdline .= "NODE=$node ";
+        # add flow control setting
+        $kcmdline .= "FC=$useflowcontrol ";
 
         # add the kernel-booting parameter: netdev=<eth0>, or BOOTIF=<mac>
         my $netdev = "";
@@ -679,6 +682,7 @@ sub process_request
     my $path     = undef;
     if ($::XCATSITEVALS{"httpmethod"}) { $httpmethod = $::XCATSITEVALS{"httpmethod"}; }
     if ($::XCATSITEVALS{"httpport"}) { $httpport = $::XCATSITEVALS{"httpport"}; }
+    if ($::XCATSITEVALS{"useflowcontrol"}) { $useflowcontrol = $::XCATSITEVALS{"useflowcontrol"}; }
     if ($request->{command}->[0] eq 'copycd')
     {
         return copycd($request, $callback, $doreq);