[Devel] Re: [PATCH] Virtual ethernet device (tunnel)

[Stephen Hemminger]

On Wed, 02 May 2007 14:54:51 +0400
Pavel Emelianov <xemul at sw.ru> wrote:

> Veth stands for Virtual ETHernet. It is a simple tunnel driver
> that works at the link layer and looks like a pair of ethernet
> devices interconnected with each other.
> 
> Mainly it allows to communicate between network namespaces but
> it can be used as is as well.
> 
> Eric recently sent a similar driver called etun. This
> implementation is closer to the OpenVZ one and it lacks
> some unimportant features of etun driver (like ethtool_ops)
> for simplicity.

The ethtool stuff lets bonding and bridging work better.