diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index 52229e21e..7dc5e2b96 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -662,7 +662,11 @@ sub mknetboot
                     $kcmdline = "NFSROOT=$nfssrv:$nfsdir STATEMNT=";	
                 }
             } else {
-                $kcmdline =  "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg-statelite.gz STATEMNT=";
+                if (-r "$rootimgdir/rootimg-statelite.gz.metainfo") {
+                    $kcmdline =  "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg-statelite.gz.metainfo STATEMNT=";
+                } else {
+                    $kcmdline =  "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg-statelite.gz STATEMNT=";
+                }
             }
 
             # add support for subVars in the value of "statemnt"
@@ -724,8 +728,13 @@ sub mknetboot
             $kcmdline .= "NODE=$node ";
         }
         else {
-            $kcmdline =
-              "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg.$suffix ";
+            if (-r "$rootimgdir/rootimg.$suffix.metainfo") {
+                $kcmdline =
+                  "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg.$suffix.metainfo ";
+            } else {
+                $kcmdline =
+                  "imgurl=$httpmethod://$imgsrv:$httpport/$rootimgdir/rootimg.$suffix ";
+            }
               $kcmdline .= "XCAT=$xcatmaster:$xcatdport ";
             $kcmdline .= "NODE=$node ";
             # add flow control setting
diff --git a/xCAT-server/lib/xcat/plugins/packimage.pm b/xCAT-server/lib/xcat/plugins/packimage.pm
index 280c584eb..2480c00d8 100644
--- a/xCAT-server/lib/xcat/plugins/packimage.pm
+++ b/xCAT-server/lib/xcat/plugins/packimage.pm
@@ -51,12 +51,14 @@ sub process_request {
    my $rootimg_dir;
    my $destdir;
    my $imagename;
+   my $dotorrent;
 
    GetOptions(
       "profile|p=s" => \$profile,
       "arch|a=s" => \$arch,
       "osver|o=s" => \$osver,
       "method|m=s" => \$method,
+      "tracker=s" => \$dotorrent,
       "help|h" => \$help,
       "version|v" => \$version
       );
@@ -386,6 +388,14 @@ sub process_request {
     `$excludestr`;
     if ($method =~ /cpio/) {
         chmod 0644,"$destdir/rootimg.gz";
+        if ($dotorrent) {
+            my $currdir = getcwd;
+            chdir($destdir);
+            unlink("rootimg.gz.metainfo");
+            system("ctorrent -t -u $dotorrent -l 1048576 -s rootimg.gz.metainfo rootimg.gz");
+            chmod 0644, "rootimg.gz.metainfo";
+            chdir($currdir);
+        }
         umask $oldmask;
     } elsif ($method =~ /squashfs/) {
        my $flags;
diff --git a/xCAT-server/lib/xcat/plugins/statelite.pm b/xCAT-server/lib/xcat/plugins/statelite.pm
index f8088ada7..41ee78520 100644
--- a/xCAT-server/lib/xcat/plugins/statelite.pm
+++ b/xCAT-server/lib/xcat/plugins/statelite.pm
@@ -67,6 +67,7 @@ sub process_request {
     my $exlist; # it is used when rootfstype = ramdisk
 	my $destdir;
 	my $imagename;
+    my $dotorrent;
 
 	GetOptions(
         "rootfstype|t=s" => \$rootfstype,
@@ -74,6 +75,7 @@ sub process_request {
 		"arch|a=s" => \$arch,
 		"osver|o=s" => \$osver,
 		"help|h" => \$help,
+        "tracker" => \$dotorrent,
 		"version|v" => \$version,
 		"verbose|V" => \$verbose
 	);
@@ -534,6 +536,14 @@ sub process_request {
         chdir("$rootimg_dir");
         xCAT::Utils->runcmd("$excludestr");
         chmod 0644, "$destdir/rootimg-statelite.gz";
+        if ($dotorrent) {
+            my $currdir = getcwd;
+            chdir($destdir);
+            unlink("rootimg-statelite.gz.metainfo");
+            system("ctorrent -t -u $dotorrent -l 1048576 -s rootimg-statelite.gz.metainfo rootimg.gz");
+            chmod 0644, "rootimg-statelite.gz.metainfo";
+            chdir($currdir);
+        }
         umask $oldmask;
         
         system("rm -f $xcat_packimg_tmpfile");
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut/install.netboot b/xCAT-server/share/xcat/netboot/rh/dracut/install.netboot
index d9cd35d83..d9fe9c714 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut/install.netboot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut/install.netboot
@@ -1,6 +1,7 @@
 #!/bin/sh
 echo $drivers
-dracut_install wget cpio gzip dash  modprobe touch echo cut wc
+dracut_install wget cpio gzip dash  modprobe touch echo cut wc 
+dracut_install -o ctorrent
 dracut_install grep ifconfig hostname awk egrep grep dirname expr
 dracut_install mount.nfs
 dracut_install parted mke2fs bc mkswap swapon chmod
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut/install.statelite b/xCAT-server/share/xcat/netboot/rh/dracut/install.statelite
index 727f2b864..7c494d84c 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut/install.statelite
+++ b/xCAT-server/share/xcat/netboot/rh/dracut/install.statelite
@@ -1,6 +1,7 @@
 #!/bin/sh
 echo $drivers
 dracut_install wget cpio gzip dash  modprobe wc touch echo cut
+dracut_install -o ctorrent
 dracut_install grep ifconfig hostname awk egrep grep dirname expr
 dracut_install parted mke2fs bc mkswap swapon chmod
 inst "$moddir/xcat-updateflag" "/tmp/updateflag"
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
index 638785f97..72a1f4ba9 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
@@ -45,6 +45,9 @@ if [ ! -z "$imgurl" ]; then
 fi
 #echo 0 > /proc/sys/vm/zone_reclaim_mode #Avoid kernel bug
 
+if [ -r /*.metainfo ]; then
+    ctorrent /*.metainfo -e 0
+fi
 if [ -r /rootimg.sfs ]; then
   echo Setting up squashfs with ram overlay.
   mknod /dev/loop0 b 7 0