diff --git a/capsulflask/shell_scripts/create.sh b/capsulflask/shell_scripts/create.sh
index 9ae1ebf..1c74cbc 100755
--- a/capsulflask/shell_scripts/create.sh
+++ b/capsulflask/shell_scripts/create.sh
@@ -9,6 +9,8 @@ template_file="/tank/img/$2"
 vcpus="$3"
 memory="$4"
 pubkeys="$5"
+network_name="$6"
+public_ipv4="$7"
 root_volume_size="25G"
 
 if echo "$vmname" | grep -vqE '^capsul-[a-z0-9]{10}$'; then
@@ -38,6 +40,16 @@ echo "$pubkeys" | while IFS= read -r line; do
   fi
 done
 
+if echo "$network_name" | grep -vqE "^[a-zA-Z0-9_-]+"; then
+  echo "network_name \"$network_name\" must match ^[a-zA-Z0-9_-]+"
+  exit 1
+fi
+
+if echo "$public_ipv4" | grep -vqE "^[0-9.]+$"; then
+  echo "public_ipv4 \"$public_ipv4\" must match ^[0-9.]+$"
+  exit 1
+fi
+
 disk="/tank/vm/$vmname.qcow2"
 cdrom="/tank/vm/$vmname.iso"
 xml="/tank/vm/$vmname.xml"
@@ -66,7 +78,7 @@ virt-install \
     --os-variant generic \
     --virt-type kvm \
     --graphics vnc,listen=127.0.0.1 \
-    --network network=public3,filterref=clean-traffic,model=virtio \
+    --network network=$network_name,filterref=clean-traffic,model=virtio \
     --import \
     --print-xml > "$xml"