[ovs-discuss] Openvswitch Bug for open flow version 1.2

jayachandran.subramanian at wipro.com jayachandran.subramanian at wipro.com
Mon May 25 06:01:02 UTC 2015


Hi Ben ,

Thank you for your mail , also we have identified that all groups test cases (Github oftest suite) failing with openvswitch with the below ofp message.

ofp.OFPGMFC_UNKNOWN_GROUP
ofp.OFPGMFC_LOOP

 Openvswitch version : openvswitch - 2.3.1
 OS version                    : Ubuntu 14.04 Trusty
 Open flow version      : 1.2

Is there any work around to fix this issue .

Thanks
Jayachandran S


-----Original Message-----
From: Ben Pfaff [mailto:blp at nicira.com]
Sent: 08 May 2015 21:31
To: Jayachandran Subramanian (WT01 - PES)
Cc: bugs at openvswitch.org
Subject: Re: [ovs-discuss] Openvswitch Bug for open flow version 1.2

I believe you reported the following:

        1. An OpenFlow switch should report an OFPGMFC_INVALID_GROUP
           error in response to an "add-group" message with an invalid
           group_id.

        2. OVS does not report such an error.

However, as I said, OVS does report such an error in my testing, so I cannot reproduce the problem.

On Fri, May 08, 2015 at 05:33:23AM +0000, jayachandran.subramanian at wipro.com wrote:
> Hi Ben Pfaff,
>
> Thank you for confirming the issue . Please let me know is there any fix for this bug .
>
> Thanks
> Jayachandran S
> +91-8861883300
>
>
>
> -----Original Message-----
> From: Ben Pfaff [mailto:blp at nicira.com]
> Sent: 08 May 2015 04:59
> To: Jayachandran Subramanian (WT01 - PES)
> Cc: bugs at openvswitch.org
> Subject: Re: [ovs-discuss] Openvswitch Bug for open flow version 1.2
>
> On Wed, May 06, 2015 at 06:33:32AM +0000, jayachandran.subramanian at wipro.com wrote:
> > Hi ,
> >
> > I would like to report a bug for OpenVSwitch while running OFtest
> > script with openflow version 1.2 and please find the details below
> >
> > Openvswitch version : openvswitch - 2.3.1
> > OS version                    : Ubuntu 14.04 Ttusty
> > Open flow version      : 1.2
> >
> > I have executed the  GitHub open flow 1.2 version script in openvswitch and observed that script is failing and unable to match the ofp message for eg . (OFPET_GROUP_MOD_FAILED/OFPGMFC_INVALID_GROUP) .
> >
> > When we are commenting these lines in the script , script successfully passed.
> >
> > And the same script passed without adding /deleting in the script
> > with Ericsson (of12softswitch)
>
> I do get the expected error with OVS 2.3.1 here:
>
>     blp at sigsegv:~/ovs/tutorial$ ovs-ofctl -O OpenFlow11 add-group br0 group_id=all,type=all,buckets=output:1
>     OFPT_ERROR (OF1.1) (xid=0x2): OFPGMFC_INVALID_GROUP
>     OFPT_GROUP_MOD (OF1.1) (xid=0x2):
>      ADD group_id=4294967292,type=all,bucket=actions=output:1
>     blp at sigsegv:~/ovs/tutorial$
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