diff --git a/tempest/tempest_ext.conf b/tempest/tempest_ext.conf
index 07d41a8..84bc6e2 100644
--- a/tempest/tempest_ext.conf
+++ b/tempest/tempest_ext.conf
@@ -1,6 +1,3 @@
-[DEFAULT]
-lock_path = /tmp
-
 [compute]
 image_ref_alt = ${IMAGE_REF2}
 min_microversion = 2.1
@@ -8,10 +5,6 @@
 volume_device_name = vdc
 min_compute_nodes = 2
 endpoint_type = publicURL
-ping_timeout = 20
-ping_count = 5
-ssh_timeout = 90
-ssh_channel_timeout = 100
 build_timeout = 120
 fixed_network_name = ${FIXED_NET}
 
@@ -35,7 +28,7 @@
 minimal_instance_type = m1.tiny
 network_for_ssh = net_name
 floating_network_name = net_name
-fixed_subnet_name = subnet_name
+fixed_subnet_name = fixed-subnet
 disable_ssl_certificate_validation = True
 image_ref = ${IMAGE_REF2}
 minimal_image_ref = ${IMAGE_REF2}
@@ -59,14 +52,21 @@
 [network]
 build_timeout = 120
 endpoint_type = publicURL
+# leave empty if you do not have fip net
+#public_network_id = 
+# remove if you do not have fip net
+#floating_network_name = 
 
 [network-feature-enabled]
 port_security = true
+# uncomment if you do not have fip net
+#floating_ips = false
 
 [validation]
 run_validation = true
 image_ssh_password = cubswin:)
 ssh_timeout = 130
+ping_timeout = 20
 
 [object-storage]
 container_sync_timeout = 120
@@ -76,11 +76,6 @@
 #for ceph
 discoverability = false
 
-[orchestration]
-max_template_size = 5440000
-max_resources_per_stack = 20000
-endpoint_type = publicURL
-
 [volume]
 max_microversion = latest
 build_timeout = 120
@@ -95,6 +90,5 @@
 cinder = True
 
 [volume-feature-enabled]
-api_v3 = true
 manage_snapshot = true
 backup = False