diff --git a/tempest/api/compute/servers/test_instance_actions.py b/tempest/api/compute/servers/test_instance_actions.py
index 9f7e2d1..00837eb 100644
--- a/tempest/api/compute/servers/test_instance_actions.py
+++ b/tempest/api/compute/servers/test_instance_actions.py
@@ -55,6 +55,7 @@
 
 
 class InstanceActionsV221TestJSON(base.BaseV2ComputeTest):
+    create_default_network = True
 
     min_microversion = '2.21'
     max_microversion = 'latest'
diff --git a/tempest/api/compute/servers/test_server_password.py b/tempest/api/compute/servers/test_server_password.py
index e6a668a..7b31ede 100644
--- a/tempest/api/compute/servers/test_server_password.py
+++ b/tempest/api/compute/servers/test_server_password.py
@@ -19,6 +19,7 @@
 
 
 class ServerPasswordTestJSON(base.BaseV2ComputeTest):
+    create_default_network = True
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 92524fc..bee2b7b 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -28,6 +28,7 @@
 
 class BaseAttachVolumeTest(base.BaseV2ComputeTest):
     """Base class for the attach volume tests in this module."""
+    create_default_network = True
 
     @classmethod
     def skip_checks(cls):
diff --git a/tempest/api/compute/volumes/test_attach_volume_negative.py b/tempest/api/compute/volumes/test_attach_volume_negative.py
index 6d08f90..9a506af 100644
--- a/tempest/api/compute/volumes/test_attach_volume_negative.py
+++ b/tempest/api/compute/volumes/test_attach_volume_negative.py
@@ -21,6 +21,7 @@
 
 
 class AttachVolumeNegativeTest(base.BaseV2ComputeTest):
+    create_default_network = True
 
     @classmethod
     def skip_checks(cls):