diff --git a/de/heat-templates/env/bmt410-mstr3-wrkr3-cmp0-gtw0-osd3.yaml b/de/heat-templates/env/bmt410-mstr3-wrkr3-cmp0-gtw0-osd3.yaml
index 623a26a..0475c50 100644
--- a/de/heat-templates/env/bmt410-mstr3-wrkr3-cmp0-gtw0-osd3.yaml
+++ b/de/heat-templates/env/bmt410-mstr3-wrkr3-cmp0-gtw0-osd3.yaml
@@ -33,6 +33,7 @@
   private_floating_network_ipam_pool_start: '172.16.51.31'
   private_floating_network_ipam_pool_end: '172.16.51.62'
   private_floating_network_gateway: '172.16.51.1'
+  private_floating_network_interface: 'os-floating'
   metallb_address_pools: [ '172.16.51.130-172.16.51.250' ]
   private_floating_interface: 'os-floating'
   storage_frontend_interface: 'ceph-control'
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index fa54943..a6fef6a 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -76,6 +76,10 @@
   private_floating_network_gateway:
     type: string
     default: ''
+  private_floating_network_interface:
+    type: string
+    default: 'veth-phy'
+    description: 'The name of interface that should be added to external neutron bridge for floating network.'
   private_floating_interface:
     description: Interface which carries floating network for child OpenStack.
     type: string
@@ -530,6 +534,8 @@
     value: { get_param: private_floating_network_pool_end }
   private_floating_network_gateway:
     value: { get_param: private_floating_network_gateway }
+  private_floating_network_interface:
+    value: { get_param: private_floating_network_interface }
   tunnel_interface:
     value: { get_param: tunnel_interface }
   live_migration_interface: