[ovs-discuss] Flows for passing LLDP frames with NCB address, possible fix.

Ben Pfaff blp at nicira.com
Thu Apr 24 03:59:28 UTC 2014


On Wed, Apr 23, 2014 at 03:02:51PM -0700, Padmanabhan Krishnan wrote:
> 1. Am I doing it right in terms of creating flows? I want it to
> function as a regular OVS bridge except for the two rules. I had to
> create a bridge as "sudo ovs-vsctl add-br EXT_TEST -- set Bridge
> EXT_TEST fail-mode=secure" so that it won't have normal actions. Then,
> after creating the above two flows, I added the "normal" action as
> "sudo ovs-ofctl add-flow EXT_TEST priority=0,actions=normal". This
> worked (after my patch). But, when I create a bridge normally and
> apply the flows, it discards it.

I don't understand how flows would get discarded.  Maybe you should
explain what you mean.

> 2. If I am doing right with the flows, then the userspace drops the
> frame thinking it's a STP BPDU. It's a minor 1 line fix. Do you want
> me to submit a patch?

Sure, send it along and we'll take a look.



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