Thanks 9lives,
The followings are the changes I set in network node neutron.conf
[DEFAULT]
verbose = True
core_plugin = ml2
service_plugins = router,lbaas
auth_strategy = keystone
allow_overlapping_ips = True
rpc_backend=rabbit
rabbit_hosts=10.1.2.12:5672,10.1.2.13:5672,10.1.2.11:5672
rabbit_userid=openstack
rabbit_password=rabbit
[keystone_authtoken]
auth_uri=http://10.1.2.244:5000/v2.0
identity_uri=http://10.1.2.244:35357
admin_tenant_name = service
admin_user = neutron
admin_password = neutronpass
////neutron.conf from compute nodes
[DEFAULT]
verbose = True
core_plugin = ml2
service_plugins = router,lbaas
auth_strategy = keystone
allow_overlapping_ips = True
rpc_backend=rabbit
rabbit_hosts = 10.1.2.12:5672,10.1.2.13:5672
rabbit_userid = openstack
rabbit_password = rabbit
[keystone_authtoken]
auth_uri = http://10.1.2.244:5000/v2.0
identity_uri = http://10.1.2.244:35357
admin_tenant_name = service
admin_user = neutron
admin_password = neutronpass
http://paste.openstack.org/show/163090/ (paste.openstack.org link)
///ml2_config.ini from network node
[ml2]
type_drivers = flat,gre
tenant_network_types = gre
mechanism_drivers = openvswitch
[ml2_type_flat]
flat_networks = physnet1,physnet2,physnet3
[ml2_type_gre]
tunnel_id_ranges = 1:1000
[securitygroup]
enable_security_group = True
enable_ipset = True
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
[ovs]
local_ip = 192.168.96.26
tunnel_type = gre
enable_tunneling = True
bridge_mappings = physnet1:br-ex,physnet2:br-ex1,physnet3:br-ex2
///ml2_conf.ini from compute nodes
[ml2]
type_drivers = flat,gre
tenant_network_types = gre
mechanism_drivers = openvswitch
[ml2_type_gre]
tunnel_id_ranges = 1:1000
[securitygroup]
enable_security_group = True
enable_ipset = True
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
[ovs]
local_ip = 192.168.96.14
tunnel_type = gre
enable_tunneling = True
///l3_agent.ini from network node
[DEFAULT]
debug = True
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
gateway_external_network_id =
handle_internal_only_routers = True
external_network_bridge =
enable_metadata_proxy = True
pls provide the configurations files for neutron on both network node and compute node then paste them to paste.openstack.org respectively.