[ovs-discuss] Reg:Flow deletion

Ben Pfaff blp at nicira.com
Wed Jun 26 00:09:41 UTC 2013


I think I'll need more information.  Perhaps you could supply the
actual messages sent in each direction?  A .pcap file, for example.
You also didn't mention what version of Open vSwitch or of OpenFlow
this is.

On Tue, Jun 25, 2013 at 08:02:34AM +0000, Ganji Kumara-B38525 wrote:
> Hi Ben,
>    Steps to reproduce:
> 1) First I have added flow with flow-mod message(add command) with following information
>  * priority:10
>  * table-id:2
>  * Match Fields:
>    Type:ethtype value:0x0800
>    Type:dest-ipaddr value:2.2.2.0/24
>  * Intructions:
>    Type:goto-table  value: 03
>    Type:write-meta-data value: 0x02020306
> 
> Result:   Flow got added successfully.
> 
> 2) Now delete the same with flow-mod delete strict message with the following information
>    * priority:10
>    * table-id:2
>    * Match Fields
>      Type:ethtype value:0x0800
>      Type:dest-ipaddr value:2.2.2.0/24
>    * out-port:OFPP_ZONE
> 
> Result: getting flow-mod error with unknown error code.
> 
> Note:I am not using ovs-ofctl to add and delete the flow. I have used our own CLI for this.
>      I have verified in wireshark, flow-mod modify message going fine with all given match fields, 
>      priority and table-id. I tried the same with Nox switch then it flow got deleted.
> 
> 
> Thanks & Regards
> Kumarsg
> 
> -----Original Message-----
> From: Ben Pfaff [mailto:blp at nicira.com] 
> Sent: Friday, June 21, 2013 9:00 PM
> To: Ganji Kumara-B38525
> Cc: discuss at openvswitch.org
> Subject: Re: [ovs-discuss] Reg:Flow deletion
> 
> On Fri, Jun 21, 2013 at 11:39:01AM +0000, Ganji Kumara-B38525 wrote:
> >      I have added flow to table 2 in the ovswitch with flow-mod 
> > message. When I am trying to delete the same entry With flow-mod message with strict delete command I am getting flow-mod error as follows in wireshark:
> > 
> > type:Problem modifying flow entry - OFPET_FLOW_MOD_FAILED (5) 
> > Code:Unspecified error - OFPFMFC_UNKNOWN(0x0000)
> > 
> > In delete flow-mod message I am sending priority and all match fields of that flow and out-port as OFPP_NONE.
> 
> It sounds like a bug.  Can you give instructions for reproducing the problem?
> 
> 



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