Hi Jason,
On 2015年06月16日 07:16, Liu, Weijie wrote:
> Hi,
>
> Does Ryu have any modules for this:
>
> If a flow rule is changed in the switch (added, modified or removed), the
> controller can generate a notification to the user. (for Openflow 1.0)
As far as I know, there is no such mechanism for switch notifying
added/modified flows to controller in OpenFlow Spec 1.0.
For notifying removed flows, FlowRemoved message is defined,
but it is not generated when the switch added/modified flows.
If you want to get such notification, you need to implement
your own RyuApp.
eg.) get flow entries periodically by using FlowStats message,
and check differences with previous reply.
Thanks,
Iwase
>
>
> make sense? thanks.
> Jason Liu
>
>
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