diff --git a/create-cumulusvx-image/create-cumulus-vx-image.sh b/create-cumulusvx-image/create-cumulus-vx-image.sh
index 65ec2798a614ed822d8ffa56b47ade13b22b8d76..ce7282a455a36e7db1a41eaa42f1d7ebdeaaf7ac 100644
--- a/create-cumulusvx-image/create-cumulus-vx-image.sh
+++ b/create-cumulusvx-image/create-cumulus-vx-image.sh
@@ -4,9 +4,11 @@
 #
 # changelog:
 #
-# V0.2    added support to delete existing image with the same name and generating the default nova flavor
-# V0.3    checking whether it is safe to unmount the working directory
-# V0.31   added support for newer glance releases (e.g. kilo) used in VIRL 1.0.0
+# V0.2     added support to delete existing image with the same name and generating the default nova flavor
+# V0.3     checking whether it is safe to unmount the working directory
+# V0.3.1   added support for newer glance releases (e.g. kilo) used in VIRL 1.0.0
+# V0.4     fixed check for existing images, added support for Cumulus VX 3.x
+
 
 # usage
 if [ ! $# -eq 2 ] ; then
@@ -48,9 +50,9 @@ function safe_unmount() {
 }
 
 # check for an existing image with the same name and offer to delete it prior to creating a new one
-CHECK_FOR_EXISTING_IMAGE=$(glance image-show $GLANCE_IMAGE_NAME 2>&1)
+CHECK_FOR_EXISTING_IMAGE=$(glance --os-image-api-version 1 image-show $GLANCE_IMAGE_NAME 2>&1)
 if [ $? == 0 ] ; then
-  glance image-show $GLANCE_IMAGE_NAME
+  glance --os-image-api-version 1 image-show $GLANCE_IMAGE_NAME
   echo
   echo
   read -r -p "There is already an image with the same name in glance. Do you want to overwrite it? [y/N] " RESPONSE
@@ -58,7 +60,7 @@ if [ $? == 0 ] ; then
     echo "Deleting existing image $GLANCE_IMAGE_NAME..."
     echo "==========================================================="
 
-    glance image-delete $GLANCE_IMAGE_NAME
+    glance --os-image-api-version 1 image-delete $GLANCE_IMAGE_NAME
   else
     echo "An image with the same name already exists. Either delete this image or choose another name."
     exit 1
@@ -69,10 +71,30 @@ echo
 echo "Creating CumulusVX image..."
 echo "==========================================================="
 
+# check version
+if [[ "$CUMULUS_QCOW2_BASENAME" =~ ^cumulus-vx-2\.5 ]] ; then
+  # handle 2.5.x versions
+  CUMULUS_VERSION=2
+elif [[ "$CUMULUS_QCOW2_BASENAME" =~ ^cumulus-linux-3\. ]] ; then
+  # handle 3.x versions
+  CUMULUS_VERSION=3
+else
+  echo "Unsupported version of Cumulus VX, currently this script supports versions 2.5.x and 3.x"
+  exit 1
+fi
+
 qemu-img convert -O raw $CUMULUS_QCOW2 $CUMULUS_QCOW2_BASENAME.raw
 LOOPDEV=$(kpartx -av $CUMULUS_QCOW2_BASENAME.raw)
-LOOPDEV_PART1=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3)
-LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
+    
+if [ $CUMULUS_VERSION == 2 ]; then
+  # partition layout Cumulus VX 2.5.x: part1 = boot, part2 = root
+  LOOPDEV_PART_BOOT=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3)
+  LOOPDEV_PART_ROOT=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
+elif [ $CUMULUS_VERSION == 3 ]; then
+  # partition layout Cumulus VX 3.x: part1 = grubboot, part2 = onieboot, part3 = boot, part4 = root
+  LOOPDEV_PART_BOOT=$(echo "$LOOPDEV" | sed '3q;d' | cut -d " " -f 3)
+  LOOPDEV_PART_ROOT=$(echo "$LOOPDEV" | sed '4q;d' | cut -d " " -f 3)
+fi
 
 mkdir cumulusvx-boot-$TIMESTAMP
 mkdir cumulusvx-root-$TIMESTAMP
@@ -81,12 +103,19 @@ echo
 echo "Injecting changes to use serial console and startup script to get switch config..."
 echo "=================================================================================="
 
-mount /dev/mapper/$LOOPDEV_PART1 cumulusvx-boot-$TIMESTAMP
-mount /dev/mapper/$LOOPDEV_PART2 cumulusvx-root-$TIMESTAMP
-# changing grub and inittab to use a serial console on kernel command line
-sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-root-$TIMESTAMP/vbox_grub.cfg
-sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg
-sed -i.bak -e s/"# S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/"S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/g cumulusvx-root-$TIMESTAMP/etc/inittab
+mount /dev/mapper/$LOOPDEV_PART_BOOT cumulusvx-boot-$TIMESTAMP
+mount /dev/mapper/$LOOPDEV_PART_ROOT cumulusvx-root-$TIMESTAMP
+
+if [ $CUMULUS_VERSION == 2 ]; then
+  # changing grub and inittab to use a serial console on kernel command line
+  sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-root-$TIMESTAMP/vbox_grub.cfg
+  sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg
+  sed -i.bak -e s/"# S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/"S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/g cumulusvx-root-$TIMESTAMP/etc/inittab
+elif [ $CUMULUS_VERSION == 3 ]; then
+  # changing grub to show boot log
+  sed -i.bak -e s/"console=tty0 quiet"/"console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg
+fi
+
 # append a script to import the configuration defined in VM Maestro to rc.local
 sed -i.bak -e s/"^exit 0$"/""/g cumulusvx-root-$TIMESTAMP/etc/rc.local
 cat << EOF >> cumulusvx-root-$TIMESTAMP/etc/rc.local
@@ -99,7 +128,7 @@ EOF
 #DEBUG:
 #  run bash to allow manual changes to the image before packing
 #
-#bash
+bash
 
 safe_unmount cumulusvx-boot-$TIMESTAMP
 safe_unmount cumulusvx-root-$TIMESTAMP
diff --git a/create-cumulusvx-image/dynamic-subtype-CumulusVX.json b/create-cumulusvx-image/dynamic-subtype-CumulusVX.json
index 6f7cce8d2a90c1c32a0781e019423073273ab76f..86087d69056b5fb93ee738babf6e4374f705d421 100644
--- a/create-cumulusvx-image/dynamic-subtype-CumulusVX.json
+++ b/create-cumulusvx-image/dynamic-subtype-CumulusVX.json
@@ -1,22 +1,23 @@
 {
   "dynamic-subtypes": [
     {
-      "config_file": "/cumulusvx.sh", 
+      "cli_protocol": "ssh", 
       "gui_icon": "iosvl2", 
+      "plugin_desc": "CumulusVX", 
+      "interface_first": 1, 
+      "baseline_flavor": "CumulusVX.small", 
       "plugin_base": "generic", 
       "interface_management": "eth0", 
       "interface_pattern": "swp{0}", 
-      "interface_range": 25, 
-      "cli_protocol": "ssh", 
-      "baseline_flavor": "CumulusVX.small", 
-      "plugin_name": "CumulusVX", 
-      "interface_first": 1, 
+      "config_file": "/cumulusvx.sh", 
+      "deprecated_use": "", 
+      "hw_vm_extra": "", 
       "cli_serial": 1, 
-      "plugin_desc": "CumulusVX", 
+      "interface_range": 25, 
       "config_disk_type": "disk", 
-      "hw_vm_extra": "", 
-      "baseline_image": "CumulusVX", 
-      "gui_visible": true
+      "plugin_name": "CumulusVX", 
+      "gui_visible": true, 
+      "baseline_image": "CumulusVX"
     }
   ]
 }
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