diff --git a/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay.yaml
index c7aecc5..75fffe4 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay.yaml
@@ -162,7 +162,7 @@
             address_pool: external-pool01
             dhcp: true
             forward:
-              mode: nat
+              mode: route
 
 
         group_volumes: