neutron server dhcp-agent/l3_agent/metadata_agent.ini

dhcp_agent.ini

[DEFAULT]
debug = True
verbose = True
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
use_namespaces = True
dnsmasq_dns_servers = 172.16.254.254,8.8.8.8
dnsmasq_lease_max = 16777216

l3_agent.ini
[DEFAULT]
verbose = True
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex

metadata_agent.ini
[DEFAULT]
debug = True
verbose = True
auth_url = http://keystone.bertck.com:5000/v2.0
auth_region = regionOne
admin_tenant_name = service
admin_user = neutron
admin_password = neutron-icehouse
nova_metadata_ip = novaapi.bertck.com
metadata_proxy_shared_secret = neutron-icehouse-shared