[ovs-discuss] Vlan tag stripping

[Jesse Gross]

On Tue, Jun 21, 2011 at 7:33 PM, el05682 <el05682 at mail.ntua.gr> wrote:
> Hi again,
>
> I am running a linux box with 2.6.32-32-server and
> I want to connect an physical ethernet interface (eth2):
> driver: e1000
> version: 7.3.21-k5-NAPI
> firmware-version: N/A
> bus-info: 0000:02:03.0
>
> I am sending packets to a trunk port in and openvswitch v1.1.1 bridge.
> Packets created from a vlan interface eth0.2 (used vconfig tool) and are
> send to
> eth2 which is attached to the the bridge.
>
> When I tcpdump the bridge I can see that the packets are still tagged.
> I tried, though it should make no difference, to set the value 2 in the
> trunks
> attribute of the eth2 port but of course nothing changed.

I'm not sure that I understand what you are trying to do or what you
expect to happen.  By default Open vSwitch will trunk all vlans, so if
it receives a tagged packet it will continue to be tagged unless the
port is configured as an access port for that vlan.