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Date: Thu, 24 Apr 2014 07:47:34 +0200
From: Michal Kubecek <mkubecek@...e.cz>
To: chenweilong <chenweilong@...wei.com>
Cc: nicolas.dichtel@...nd.com, Eric Dumazet <eric.dumazet@...il.com>,
kaber@...sh.net, davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [patch net-next] vlan: Don't allow vlan devices to change
network namespaces.
On Thu, Apr 24, 2014 at 08:59:51AM +0800, chenweilong wrote:
> On 2014/4/23 15:23, Nicolas Dichtel wrote:
> > Le 23/04/2014 04:40, chenweilong a écrit :
> >> And, 2) is not safe, if someone forgets to move eth1, eth1.5 will not work, making
> >> things complex.
> > We have to fix this case, because it is a valid use case to have eth1.5 in net0
> > and eth1 in another ns.
> >
> eth1.5 can receive and send packets in net0, the problem is you can't add a new eth1.5
> in old ns, report 'error: File exists'.
And this is correct, as far as I can tell. If it was possible, which of
the two interfaces would receive VLAN tagged packets with VID 5 coming
to eth1?
Michal Kubecek
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