Network/Compute OVS openstack network

compute and network nodes
--------------------------

root@ltsp102:~# cat /etc/network/interfaces
# Dynamically generated by LTSP.
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet manual
#
# internal openstack bridge
#
allow-ovs br-int
iface br-int inet manual
        ovs_type OVSBridge
        ovs_port br-int

##
# internal tenant network
#
allow-ovs br-eth1
iface br-eth1 inet manual
        ovs_type OVSBridge
        ovs_ports eth1

# and it's port
#
allow-br-eth1 eth1
iface eth1 inet manual
        ovs_bridge br-eth1
        ovs_type OVSPort
#
#
#
# external network
#
allow-ovs br-ex
iface br-ex inet manual
        ovs_type OVSBridge
        ovs_ports eth2

#
# and it's port
#
allow-br-ex eth2
iface eth2 inet manual
        ovs_bridge br-ex
        ovs_type OVSPort
#