[ovs-discuss] Flow Monitoring

Ben Pfaff blp at ovn.org
Wed May 22 16:45:21 UTC 2019


On Wed, May 22, 2019 at 10:31:13AM -0400, Vasu Dasari wrote:
> Hi,
> 
> I am trying to perform flow monitoring from my controller. Constructed the
> packet as follows:
> 
> OpenFlow 1.4
>     Version: 1.4 (0x05)
>     Type: OFPT_MULTIPART_REQUEST (18)
>     Length: 40
>     Transaction ID: 0
>     Type: OFPMP_FLOW_MONITOR (16)
>     Flags: 0x0000
>         .... .... .... ...0 = OFPMPF_REQ_MORE: 0x0
>     Pad: 00000000
>     Monitor ID: 100000000
>     Out port: 0
>     Out group: OFPG_ANY (0xffffffff)
>     Flags: 0x000f
>         .... .... .... ...1 = OFPFMF_INITIAL: 0x1
>         .... .... .... ..1. = OFPFMF_ADD: 0x1
>         .... .... .... .1.. = OFPFMF_REMOVED: 0x1
>         .... .... .... 1... = OFPFMF_MODIFY: 0x1
>         .... .... ...0 .... = OFPFMF_INSTRUCTIONS: 0x0
>         .... .... ..0. .... = OFPFMF_NO_ABBREV: 0x0
>         .... .... .0.. .... = OFPFMF_ONLY_OWN: 0x0
>     Table ID: 0
>     Command: OFPFMC_ADD (0)
>     Match
>         Type: OFPMT_OXM (1)
>         Length: 4
>         Pad: 00000000

Would you please provide a hex or binary dump of the request?  I will
check it out.


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