[ovs-discuss] How to buffer on OVS

Ben Pfaff blp at nicira.com
Thu May 2 21:20:35 UTC 2013

On Fri, May 03, 2013 at 06:14:35AM +0900, Hiroshi Miyata wrote:
> Hi Ben,
> (13/05/03 2:35), Ben Pfaff wrote:
> >Let me rephrase.
> >
> >Do these packet_in messages result from an OFPAT_OUTPUT action that
> >use OFPP_CONTROLLER as the output port?
> Yes,
> However, the reason code in the packet_in  was OFPR_ACTION (0x01)
> rather than OFPR_NO_MATCH (0x00).

An OFPAT_OUTPUT action that outputs to OFPP_CONTROLLER generates an
packet_in with reason=OFPR_ACTION and buffer_id=0xffffffff.  Therefore
you are seeing expected behavior.

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