diff --git a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
index 111c19c..126a441 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
@@ -195,15 +195,18 @@
             forward:
               mode: nat
 
+          private_br:
+            vlan_ifaces:
+             - 10
+
           private:
             address_pool: private-pool01
             dhcp: false
             forward:
               mode: route
-
-          #tenant:
-          #  address_pool: tenant-pool01
-          #  dhcp: false
+            parent_iface:
+              l2_net_dev: private_br
+              tag: 10
 
           external:
             address_pool: external-pool01
@@ -255,7 +258,7 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
               network_config:
                 ens3:
@@ -293,7 +296,7 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
               network_config: &network_config
                 ens3:
@@ -587,10 +590,10 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
                 - label: ens5
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
                 - label: ens6
                   l2_network_device: external
diff --git a/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml b/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
index 6069493..8c4c848 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
@@ -311,15 +311,18 @@
             forward:
               mode: nat
 
+          private_br:
+            vlan_ifaces:
+             - 10
+
           private:
             address_pool: private-pool01
             dhcp: false
             forward:
               mode: route
-
-          #tenant:
-          #  address_pool: tenant-pool01
-          #  dhcp: false
+            parent_iface:
+              l2_net_dev: private_br
+              tag: 10
 
           external:
             address_pool: external-pool01
@@ -371,7 +374,7 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
               network_config:
                 ens3:
@@ -409,7 +412,7 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
               network_config: &network_config
                 ens3:
@@ -1085,10 +1088,10 @@
                   l2_network_device: admin
                   interface_model: *interface_model
                 - label: ens4
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
                 - label: ens5
-                  l2_network_device: private
+                  l2_network_device: private_br
                   interface_model: *interface_model
                 - label: ens6
                   l2_network_device: external