https://answers.launchpad.net/neutron/+question/242170
这个问题我也遇到了，但是没人回答。
Does you have the same problem? Does floodlight can be used in OPENSTACk as the openvswitch's controller? I used the floodlight to get the virtual network topology.
before I set the controller ,the OVS flow table is like this:
[root@node8 ~]# ovs-ofctl dump-flows br-int
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=52.074s, table=0, n_packets=11, n_bytes=1430, idle_age=15, priority=3,in_port=29,dl_vlan=1000 actions=mod_vlan_vid:8,NORMAL
cookie=0x0, duration=307.365s, table=0, n_packets=8123, n_bytes=728475, idle_age=0, priority=0 actions=NORMAL
but after I set the controller,the flow tables is like this:
[root@node8 ~]# ovs-ofctl dump-flows br-int
NXST_FLOW reply (xid=0x4):
[root@node8 ~]# ovs-vsctl show
3fa12857-c008-451f-a6f3-70cf30d1b92e
Bridge br-int
Controller "tcp:10.0.0.7"
is_connected: true
Port "qvoab109943-af"
tag: 8
Interface "qvoab109943-af"
Port br-int
Interface br-int
type: internal
Port "int-br-eth1"
Interface "int-br-eth1"
Bridge "br-eth1"
Port "eth1"
Interface "eth1"
Port "phy-br-eth1"
Interface "phy-br-eth1"
Port "br-eth1"
Interface "br-eth1"
type: internal
ovs_version: "1.7.1"