[ovs-discuss] OpenFlow/XEN related question

Luiz Ozaki luiz.ozaki at locaweb.com.br
Wed Mar 7 06:43:38 PST 2012


On 3/7/12 6:12 AM, ibrahim menem wrote:
> Hi,
>
> I'm using XCP1.5beta, I´m trying to control the fake bridge created by 
> "xe vlan-create" using NOX controller, is it possible?
> I tried *ovs-vsctl set-controller <fake-bridge> *but it claims the 
> bridge is fake. does it mean I can't take control of the traffic 
> inside the vlan? can I just disable the embedded controller?

In my case, I set the controller to the bridge, directly. Running brctl show

xapi0        0000.101f7432e779    no        vif18.0
                             eth2
                             eth3
                             bond0
                             vif21.0
                             vif25.0

So I set the controller to the xapi0 and not of the vif/fake-bridges, if 
that's what you're doing.

And then, you control the vifs "policies" from the main bridge, using 
OpenFlow with in-port.

>
> I use NOX to control the parent bridge with
> *set-fail-mode secure*, so when I shoutdown the controller no more 
> ping is possible,However it is possible to ping inside vlan, who is 
> the responsable?
> *ovs-dpctl dump-flows  system at parentbridge*
> doesn´t report any related flows!
>

Try run  "ovs-ofctl dump-flows bridge" instead of dpctl, use ofctl. That 
should show something.

-- 
Luiz Henrique Ozaki

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