[ovs-discuss] Support for policy based mirroring?

[Ben Pfaff]

On Fri, Apr 29, 2011 at 08:44:09AM -0400, monami sinha wrote:
>   I am running ovs-vswitchd and I have setup a bridge where both rx and tx traffic on one port (say vif0) 
> is being mirrored to an output port (say vif4). This configuration was done using ovs-vsctl. This mirrors
> all rx and tx packets on vif0 to vif4. However, I am interested in not mirroring all traffic on port vif0 but only
> traffic which matches some filter criteria (arbitrary combination of L2 and L3 headers). I want to filter 
> only the mirrored traffic. The normal traffic to/from vif0 shouldnt be affected.
> 
>   Is this possible using ovs-ofctl or any other means? Any help/pointers on this question will be greatly appreciated.

You can write OpenFlow flows that do this, but short of that OVS
doesn't have any special support for it.