diff --git a/tcp_tests/templates/virtual-mcp-sl-os/underlay.yaml b/tcp_tests/templates/virtual-mcp-sl-os/underlay.yaml
index 955750b..cf74d86 100644
--- a/tcp_tests/templates/virtual-mcp-sl-os/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-sl-os/underlay.yaml
@@ -135,6 +135,8 @@
           private:
             address_pool: private-pool01
             dhcp: true
+            forward:
+              mode: route
 
           admin:
             address_pool: admin-pool01