diff --git a/puppet/services/ec2-api.yaml b/puppet/services/ec2-api.yaml
index d1adefe5d1..98d656a541 100644
--- a/puppet/services/ec2-api.yaml
+++ b/puppet/services/ec2-api.yaml
@@ -30,6 +30,15 @@ parameters:
     type: string
     default: 'regionOne'
     description: Keystone region for endpoint
+  Ec2ApiExternalNetwork:
+    type: string
+    default: ''
+    description: Name of the external network, which is used to connect VPCs to
+                 Internet and to allocate Elastic IPs
+  NovaDefaultFloatingPool:
+    default: 'public'
+    description: Default pool for floating IP addresses
+    type: string
   MonitoringSubscriptionEc2Api:
     default: 'overcloud-ec2-api'
     type: string
@@ -52,6 +61,7 @@ parameters:
 
 conditions:
   nova_workers_zero: {equals : [{get_param: Ec2ApiWorkers}, 0]}
+  external_network_unset: {equals : [{get_param: Ec2ApiExternalNetwork}, '']}
 
 outputs:
   role_data:
@@ -109,6 +119,11 @@ outputs:
           - {}
           - ec2api::api::ec2api_workers: {get_param: Ec2ApiWorkers}
             ec2api::metadata::metadata_workers: {get_param: Ec2ApiWorkers}
+        -
+          if:
+          - external_network_unset
+          - ec2api::api::external_network: {get_param: NovaDefaultFloatingPool}
+          - ec2api::api::external_network: {get_param: Ec2ApiExternalNetwork}
       step_config: |
         include tripleo::profile::base::nova::ec2api
       service_config_settings: