Yes, the tag option works also on dpdk ports in the same way as for non-dpdk 
interfaces.

It basically just associates the received untagged packet with the specified 
VLAN tag inside the OVS bridge. If the packet is sent out on another port with 
the same tag, it is sent out untagged. Only if it sent out on a port with VLAN 
trunking, the tag would actually be pushed to the packet.

Regards, Jan

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Joo Kim
> Sent: Friday, 17 November, 2017 00:28
> To: [email protected]
> Subject: Re: [ovs-dev] vlan on dpdk port
> 
> Can anybody give a comment on this?  -thanks-
> 
> On Wed, Nov 15, 2017 at 4:39 PM, Joo Kim <[email protected]> wrote:
> 
> > Hello folks,
> >
> > I see 'tag=' option for ovs-vsctl add-port    but does the option work
> > also for dpdk-type port?
> >
> >
> >
> >
> >
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