diff --git a/tcp_tests/templates/heat-bm-cicd-pike-contrail-sl/underlay.hot b/tcp_tests/templates/heat-bm-cicd-pike-contrail-sl/underlay.hot
index e11335f..8b01d59 100644
--- a/tcp_tests/templates/heat-bm-cicd-pike-contrail-sl/underlay.hot
+++ b/tcp_tests/templates/heat-bm-cicd-pike-contrail-sl/underlay.hot
@@ -35,19 +35,19 @@
     default: "10.9.0.0/24"
   management_subnet_cidr:
     type: string
-    default: "172.16.164.0/26"
+    default: "172.16.180.0/23"
   management_subnet_cfg01_ip:
     type: string
-    default: 172.16.164.2
+    default: 172.16.180.2
   management_subnet_gateway_ip:
     type: string
-    default: 172.16.164.1
+    default: 172.16.180.1
   management_subnet_pool_start:
     type: string
-    default: 172.16.164.3
+    default: 172.16.180.3
   management_subnet_pool_end:
     type: string
-    default: 172.16.164.61
+    default: 172.16.180.61
   salt_master_control_ip:
     type: string
     default: 10.6.0.15