[vbox-dev] VLAN-Tagging on virtio_net linux guest / linux host

Aleksey Ilyushin aleksey.ilyushin at oracle.com
Tue May 14 11:50:59 GMT 2013

Hello Stephan,

Please elaborate on your network setup. What exactly is not working as expected? There was a problem with VLAN tag offloading in e1000, but it was fixed in 4.2. Both virtio-net and PCNet do not touch VLAN tags at all, these are processed by guests. Or is this a problem and you need VLAN tag offloading for virtio-net?


On May 14, 2013, at 2:32 PM, Stephan von Krawczynski wrote:

> Hello all,
> is there a chance to get 802.1Q VLANs working "as expected" on linux guests? I
> tried all network adapter types for the guest but none worked. Someone on the
> user-list told me that there may be a general problem with the packet length
> in forwarding.
> Indeed this topic is a lot more important for us than the former discussion
> about the network performance and multiqueuing. Is there currently a solution?
> Will there be one in the future? A solution based on the virtio_net guest
> device would be sufficient for us.
> Can we help somehow?
> -- 
> Regards,
> Stephan
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