[ovs-dev] Vlan tag

[Jesse Gross]

On Tue, Jun 14, 2011 at 1:29 AM, nicolas prochazka
<prochazka.nicolas at gmail.com> wrote:
> Ok,
> At this time, i suppress vlan acceleration feature from igb driver in
> kernel,
> then vlan is now fine.
> Do you have any idea about performance regression of disable vlan
> acceleration .

Some NICs lose other forms of offloading when not using vlan
acceleration, which can be significant.  The actual performance impact
from vlan handling itself is fairly small.