diff --git a/deployment/heat/onap-rke/env/windriver/onap-oom.env b/deployment/heat/onap-rke/env/windriver/onap-oom.env
index 53f1ae1..1c96592 100644
--- a/deployment/heat/onap-rke/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-rke/env/windriver/onap-oom.env
@@ -13,6 +13,7 @@
   public_net_id: 971040b2-7059-49dc-b220-4fab50cb2ad4
 
   oam_network_cidr: 10.0.0.0/16
+  oam_ext_network_cidr: 10.100.0.0/16
 
   integration_gerrit_branch: master