Thanks for helping me. I find the section in OF1.3.2 spec, and re-check with pcap file as you said. I think I was missed the important message: "table features message missing required property", but only focus on "received bad reply: (***only uses 512 bytes out of 7056***)".
Thanks. best wishes, Dickens Yeh Ben Pfaff <b...@ovn.org> 於 2021年1月22日 週五 上午6:44寫道： > OK, I figured out the problem. > > Property 10, OFPTFPT_WILDCARDS, is missing. OF1.3 section 7.3.5.5.2 > says that it's mandatory: "If a specific property does not have any > capability (for example no Set-Field support), a property with an empty > list must be included in the property list." I think that OVS is > correctly rejecting this set of table features. > > On Fri, Jan 08, 2021 at 01:00:36PM +0800, Dickens Yeh wrote: > > Hi Ben, > > Thanks for your reply. > > > > I can open it with Wireshark, decode as 'OpenFlow', and it shows info as > > following(also in attachment file): > > OFPT_HELLO, > > OFPT_MULTIPART_REQUEST, OFPMP_FLOW > > OFPT_MULTIPART_REPLY, OFPMP_FLOW > > OFPT_HELLO, > > OFPT_MULTIPART_REUQEST, OFPMP_TABLE_FEATURES > > OFPT_MULTIPART_REPLY, OFPMP_TABLE_FEATURES > > > > I also use your command to parse pcap file, I don't know why it shows > > "OFPST_FLOW request" but there is no "OFPST_FLOW reply" message. > > Maybe it cannot show the MULTIPART reply message, and the table features > > reply didn't show with the same reason. > > > > best wishes, > > Dickens Yeh > > > > > > > > Ben Pfaff <b...@ovn.org> 於 2021年1月8日 週五 上午3:36寫道： > > > > > On Mon, Jan 04, 2021 at 11:13:53AM +0800, Dickens Yeh wrote: > > > > Hi, > > > > When I using the ovs-ofctl utility tool to dump flows from a > > > > non-openvswitch switch without --no-names parameter, and I got error > > > > message. > > > > > > > > cmd: > > > > > > > > ~/openvswitch-2.13.1/utilities/ovs-ofctl -O OpenFlow13 dump-flows > tcp: > > > > 192.168.17.166:6644 > > > > > > > > msg: > > > > 2020-12-31T10:12:22Z|00001|ofp_table|WARN|table features message > missing > > > > required property > > > > ovs-ofctl: received bad reply: (***only uses 512 bytes out of > 7056***) > > > > 00000000 04 50 02 00 00 00 00 00-6e 6f 76 69 5f 74 61 62 > > > |.P......novi_tab| > > > > 00000010 6c 65 5f 32 00 00 00 00-00 00 00 00 00 00 00 00 > > > |le_2............| > > > > ... > > > > > > > > I also attached the pcap file, please tell me if the switch should be > > > fixed > > > > with the reply messages. > > > > > > I ran "ovs-ofctl ofp-parse-pcap dump-error.pcap 6644" and got only the > > > following output: > > > > > > 192.168.13.141.52476 > 192.168.17.166.6644: > > > OFPT_HELLO (OF1.3) (xid=0x1): > > > version bitmap: 0x04 > > > > > > 192.168.13.141.52476 > 192.168.17.166.6644: > > > OFPST_FLOW request (OF1.3) (xid=0x2): > > > > > > 192.168.13.141.52478 > 192.168.17.166.6644: > > > OFPT_HELLO (OF1.3) (xid=0x3): > > > version bitmap: 0x04 > > > > > > 192.168.13.141.52478 > 192.168.17.166.6644: > > > OFPST_TABLE_FEATURES request (OF1.3) (xid=0x4): > > > > > > I don't think the table features reply is in the pcap. > > > > > >
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