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

Daniel Lezcano dlezcano at fr.ibm.com
Wed May 2 05:07:26 PDT 2007


Pavel Emelianov 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 general difference from etun is that a netlink interface
> is used to create and destroy the pairs. The patch for an
> ip utility is also provided.
if etun and veth are similar, why didn't you put the netlink interface 
to the etun driver instead of sending a new driver ?

    -- Daniel


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