diff --git a/osia/cli.py b/osia/cli.py
index 9bfad4e..b99fd46 100644
--- a/osia/cli.py
+++ b/osia/cli.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2020 Osia authors
+# Copyright 2022 Osia authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -63,6 +63,8 @@ def _read_list(in_str: str) -> List[str]:
                        'default': 'images'},
         'skip_clean': {'help': 'Skip clean when installation fails', 'action': 'store_true'},
         'enable_fips': {'help': 'Enable fips mode to the cluster', 'action': 'store_true'},
+        'enable_ipv6': {'help': 'Install custer with internally used ipv6.',
+                        'action': 'store_true'},
     },
     'deprecated': {
         'psi_cloud': {'help': 'DEPRECATED see osp_cloud'},
@@ -182,7 +184,7 @@ def _setup_parser():
 
 def main_cli():
     """Function represents main entrypoint for the
-    osia intaller
+    osia installer
 
     It sets up the cli and starts the executor."""
     parser = _setup_parser()
diff --git a/osia/installer/clouds/base.py b/osia/installer/clouds/base.py
index 7ff4fe9..93c375a 100644
--- a/osia/installer/clouds/base.py
+++ b/osia/installer/clouds/base.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2020 Osia authors
+# Copyright 2022 Osia authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@ class AbstractInstaller(ABC):
 
     __env: Environment = None
 
-    # pylint: disable=too-many-arguments
+    # pylint: disable=too-many-arguments,too-many-locals
     def __init__(self,
                  cluster_name=None,
                  base_domain=None,
@@ -42,6 +42,7 @@ def __init__(self,
                  cluster_directory=None,
                  skip_clean=False,
                  enable_fips=False,
+                 enable_ipv6=False,
                  installer=None,
                  **unused_kwargs):
         self.cluster_name = cluster_name
@@ -60,6 +61,7 @@ def __init__(self,
         self.skip_clean = skip_clean
         self.installer = installer
         self.enable_fips = enable_fips
+        self.enable_ipv6 = enable_ipv6
 
     @abstractmethod
     def acquire_resources(self):
diff --git a/osia/installer/templates/install-config-base.yaml.jinja2 b/osia/installer/templates/install-config-base.yaml.jinja2
index 8b5355a..8153249 100644
--- a/osia/installer/templates/install-config-base.yaml.jinja2
+++ b/osia/installer/templates/install-config-base.yaml.jinja2
@@ -1,5 +1,5 @@
 {#
-Copyright 2020 Osia authors 
+Copyright 2022 Osia authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -39,10 +39,15 @@ networking:
   clusterNetwork:
   - cidr: 10.128.0.0/14
     hostPrefix: 23
-  machineCIDR: {% block networkIp %}{% endblock %}
-  networkType: OpenShiftSDN
+{% if enable_ipv6 %}  - cidr: fd01::/48
+    hostPrefix: 64{% endif %}
+  machineNetwork:
+  - cidr: {% block networkIp %}{% endblock %}
+{#{% if enable_ipv6 %}  - cidr: fd00::/48{% endif %}#}
+  networkType: {% if enable_ipv6 %}OVNKubernetes{% else %}OpenShiftSDN{% endif %}
   serviceNetwork:
   - 172.30.0.0/16
+{% if enable_ipv6 %}  - fd02::/112{% endif %}
 platform:{% block platform %}{% endblock %}
 pullSecret: '{{ pull_secret }}'
 sshKey: |
diff --git a/pyproject.toml b/pyproject.toml
index 887c7aa..3299934 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ osia = 'osia.cli:main_cli'
 
 [tool.poetry.dependencies]
 python = "^3.8"
-openstacksdk = "*"
+openstacksdk = "<0.99"
 boto3 = "*"
 jinja2 = "*"
 dynaconf = {extras = ["yaml"], version = "*"}