[ovs-discuss] bad hardware addr error - any ideas?

Ben Pfaff blp at nicira.com
Wed May 28 16:25:32 UTC 2014


On Wed, May 28, 2014 at 02:03:42PM +0200, Ricardo Schmidt wrote:
> On Tue, May 27, 2014 at 6:22 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > On Tue, May 27, 2014 at 06:06:14PM +0200, Ricardo Schmidt wrote:
> > > We couldn't find supporting material about the following problem on
> > google.
> > > Maybe some in the list is able to help us. We are using Ryu with OpenFlow
> > > 1.3 and OVS 2.1.2.
> > >
> > > We are not really sure why we received the following message:
> > > - error type: OFPET_PORT_MOD_FAILED
> > > - error code: OFPPMFC_BAD_HW_ADDR
> >
> > In accordance with the OF1.3 spec, OVS sends this error if the hardware
> > address in a port-mod message does not match the port's hardware
> > address.
> >
> 
> Actually, that's the part we don't understand. Are we supposed to send a
> port-mod message? We don't send it. In the example codes we found, none of
> them implement the port-mod message.

That doesn't make sense.  Let me repeat my previous advice: I suggest
using transaction ids to match the error messages you are receiving to
the requests you are sending.  Then you can tell exactly why OVS sends
those errors.



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