On Sat, Mar 07, 2020 at 06:14:42PM +0800, Su Jinzhao wrote: > So you mean we can't identify when does each flow start and stop just with > OVS ?
OVS implements NetFlow. > Suppose we installed per flow entry for each flow, how can we calculate > transmitting rate bps and pps of each flow with just the total number of > bytes and packets in the output of dump-flows? If you want to install a pair of flow entries for each connection, you can do that. It doesn't scale well to large numbers of connections because of the burden of installing all the flows. > Ben Pfaff <[email protected]> 于2020年3月7日周六 上午3:27写道： > > > On Fri, Mar 06, 2020 at 08:27:38PM +0800, Su Jinzhao wrote: > > > I noticed that for each flow entry or meter, there are n_bytes, n_pkts, > > > duration field with the output of dump-flows or meter-stats command. I > > know > > > that the duration field for a flow entry is the time since it installed > > in > > > the switch. > > > > > > BUT, how can I know when does each matched flow start and stop? > > > > If you need to know that for individual connections, you might want to > > try NetFlow. > > > > > -- > Su Jinzhao(苏金钊) _______________________________________________ discuss mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
