[ovs-discuss] OpenvSwitch port mirroring virtual interfaces to physical interface

Jen-Wei Hu jenweihu at gmail.com
Mon Feb 21 07:25:18 UTC 2011


Hi Justin,

Thanks for your response. The MTU value of all interface (tap0-tap2, eth0,
eth1) except lo in our host is default value 1500. If not this issue, have
any good comments? Thanks!

Jen-Wei

On Mon, Feb 21, 2011 at 1:41 PM, Justin Pettit <jpettit at nicira.com> wrote:

> OVS shouldn't have any problem mirroring to physical ports.  You may want
> to make sure that there aren't any MTU issues (i.e., the MTU on the taps is
> larger than eth0).
>
> --Justin
>
>
> On Feb 20, 2011, at 5:31 PM, Jen-Wei Hu wrote:
>
> > Hi all,
> >
> > In addition to man of ovs-vsctl, this thread (
> http://openvswitch.org/pipermail/discuss_openvswitch.org/2010-December/001150.html)
> helps us to set up port mirroring in our environment. But we meet some
> problems which you all help us. In our host, which installed ovs, have 3
> virtual interfaces (tap0 - tap2) and 2 physical interface (eth0, eth1). We
> have added tap0-tap2, eth0, eth1 to bridge br0. Our ovs could mirror the
> traffic from tap0 and tap1 to tap2 successfully but mirror the same traffic
> to eth1 will not work. Could ovs mirror VM traffic to physical interface? Or
> we have some basic concept need to be clear?
> >
> > Thanks
> >
> > Jen-Wei
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
>
>
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