diff --git a/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/underlay.yaml b/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/underlay.yaml
index 23eb24c..15e22ba 100644
--- a/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/underlay.yaml
+++ b/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/underlay.yaml
@@ -73,9 +73,9 @@
         net: {{ os_env('EXTERNAL_ADDRESS_POOL01', '172.17.42.128/26:26') }}
         params:
           ip_reserved:
-            gateway: +1
-            l2_network_device: -2
-
+            gateway: '172.17.42.129'
+          ip_ranges:
+              dhcp: ['172.17.42.130', '172.17.42.180']
 
     groups:
       - name: virtual