From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@linux-foundation.org>
Subject: Re: [PATCH] Virtual ethernet device (tunnel)
Date: Wed, 2 May 2007 09:37:02 -0700
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Cc: David Miller <davem@davemloft.net>,
	Patrick McHardy <kaber@trash.net>,
	Ben Greear <greearb@candelatech.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Linux Containers <containers@lists.osdl.org>,
	Kirill Korotaev <dev@sw.ru>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>, devel@openvz.org
To: Pavel Emelianov <xemul@sw.ru>
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On Wed, 02 May 2007 14:54:51 +0400
Pavel Emelianov <xemul@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.