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 fbbda4b..77b2573 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
@@ -212,7 +212,7 @@
             address_pool: external-pool01
             dhcp: false
             forward:
-              mode: nat
+              mode: route
 
 
         group_volumes: