The "ovs-ofctl dump-flows" command is going to dump out more data than
"ovs-ofctl add-flows" needs. The error you're seeing is complaining about the
first line of dump-flows output, which is "NXST_FLOW reply". Try removing that.
I just noticed that 1.6 and later releases don't properly read in regular flows
either, since "ovs-ofctl add-flows" doesn't know to ignore the "idle_age"
field. I just sent out a fix for review:
http://openvswitch.org/pipermail/dev/2013-February/025036.html
If you're using an affected release, until that gets checked in and a new
release is out, you'll need to do some additional preprocessing on your flows.
--Justin
On Jan 31, 2013, at 11:56 PM, yue wang <[email protected]> wrote:
> Hi guys,
>
> I use the command:
> ovs-ofctl dump-flows br0 > /root/flow_backup
>
> To save all flow entries into a file, but when i run:
> ovs-ofctl add-flows br0 /root/flow_backup
>
> It says: ovs-ofctl: must specify an action.
> I think the add flow syntax is not correct, so ho can i to dump flows to a
> file, and restore them into ovs?
>
>
> Thanks,
> Heuye
>
>
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