ovs plugin: automatically collect stats for external IPs #134
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Use OpenvSwitch's NetFlow support to automatically collect traffic
stats to/from floating IP or router's gateway IP on external network.
Recv stats are collected on both low level ingress ovs(traffic from
outside) and the ovs for external network ports(traffic from ports on
the same host).
Send stats are only collected on the ovs for external network ports.
This commit requires the use of EayunStack floating IP mechanism.
Fixes: redmine #11061
Signed-off-by: Hunt Xu [email protected]