[ovs-discuss] Flow Monitoring

Vasu Dasari vdasari at gmail.com
Wed May 22 17:30:19 UTC 2019


Here is the data:

Request:
0000   02 42 ac 18 00 02 02 42 c7 b9 8f ef 08 00 45 00  .B.....B......E.
0010   00 50 22 94 00 00 25 06 c5 4f c0 a8 41 02 ac 18  .P"...%..O..A...
0020   00 02 19 fe d4 22 1a fe f8 dd a4 5c 18 1d 50 18  .....".....\..P.
0030   ff ff 57 23 00 00 05 12 00 28 00 00 00 00 00 10  ..W#.....(......
0040   00 00 00 00 00 00 05 f5 e1 00 00 00 00 00 ff ff  ................
0050   ff ff 00 01 00 00 00 01 00 04 00 00 00 00        ..............

Response:
0000   02 42 c7 b9 8f ef 02 42 ac 18 00 02 08 00 45 c0  .B.....B......E.
0010   00 5c 57 db 40 00 40 06 34 3c ac 18 00 02 c0 a8  .\W. at .@.4<......
0020   41 02 d4 22 19 fe a4 5c 18 1d 1a fe f9 05 50 18  A.."...\......P.
0030   04 b0 ae 13 00 00 05 01 00 34 00 00 00 00 00 10  .........4......
0040   00 05 05 12 00 28 00 00 00 00 00 10 00 00 00 00  .....(..........
0050   00 00 05 f5 e1 00 00 00 00 00 ff ff ff ff 00 01  ................
0060   00 00 00 01 00 04 00 00 00 00                    ..........

Also attaching pcap file.

Thanks
-Vasu

*Vasu Dasari*


On Wed, May 22, 2019 at 12:45 PM Ben Pfaff <blp at ovn.org> wrote:

> 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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