diff --git a/playbooks/groups/overcloud-config.yml b/playbooks/groups/overcloud-config.yml
index 30f5e66bd2..c94d980e1c 100644
--- a/playbooks/groups/overcloud-config.yml
+++ b/playbooks/groups/overcloud-config.yml
@@ -113,10 +113,10 @@
     os_subnet:
       cloud: "{{ os_cloud }}"
       name: external-subnet
-      cidr: "{{ public_interface_cidr }}"
-      allocation_pool_start: "{{ public_floating_start }}"
-      allocation_pool_end: "{{ public_floating_end }}"
-      gateway_ip: "{{ public_gateway_ip }}"
+      cidr: 209.132.184.0/24
+      allocation_pool_start: 209.132.184.140
+      allocation_pool_end: 209.132.184.146
+      gateway_ip: 209.132.184.254
       enable_dhcp: false
     register: EXTERNAL_SUBNET_ID