undercloud) [stack@queensX ~]$ cat ~/tripleo-heat-templates/environments/contrail/contrail-net.yaml
resource_registry:
  OS::TripleO::Controller::Net::SoftwareConfig: ../../network/config/contrail/controller-nic-config.yaml
  OS::TripleO::ContrailController::Net::SoftwareConfig: ../../network/config/contrail/contrail-controller-nic-config.yaml

parameter_defaults:
  # Customize all these values to match the local environment
  TenantNetCidr: 10.0.0.0/24
  InternalApiNetCidr: 10.1.0.0/24
  ExternalNetCidr: 10.2.0.0/24
  StorageNetCidr: 10.3.0.0/24
  StorageMgmtNetCidr: 10.4.0.0/24
  # CIDR subnet mask length for provisioning network
  ControlPlaneSubnetCidr: '24'
  # Allocation pools
  TenantAllocationPools: [{'start': '10.0.0.10', 'end': '10.0.0.200'}]
  InternalApiAllocationPools: [{'start': '10.1.0.10', 'end': '10.1.0.200'}]
  ExternalAllocationPools: [{'start': '10.2.0.10', 'end': '10.2.0.200'}]
  StorageAllocationPools: [{'start': '10.3.0.10', 'end': '10.3.0.200'}]
  StorageMgmtAllocationPools: [{'start': '10.4.0.10', 'end': '10.4.0.200'}]
  # Routes
  ControlPlaneDefaultRoute: 192.168.24.254
  InternalApiDefaultRoute: 10.1.0.1
  ExternalInterfaceDefaultRoute: 10.2.0.1
  # Vlans
  InternalApiNetworkVlanID: 710
  ExternalNetworkVlanID: 720
  StorageNetworkVlanID: 730
  StorageMgmtNetworkVlanID: 740
  # Services
  EC2MetadataIp: 192.168.24.1  # Generally the IP of the Undercloud
  DnsServers: ["8.8.8.8"]
  NtpServer: 10.0.0.1