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Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans |
Date: |
Tue, 8 Jun 2010 16:14:38 +0300 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Tue, Jun 08, 2010 at 08:02:27AM -0500, Anthony Liguori wrote:
> On 06/08/2010 06:09 AM, Michael S. Tsirkin wrote:
>> On Mon, Jun 07, 2010 at 03:40:57PM -0500, Anthony Liguori wrote:
>>
>>> On 06/07/2010 02:21 PM, Michael S. Tsirkin wrote:
>>>
>>>> So I see two ways to go forward: switch default value in my patch,
>>>> or disable vlans unconditionally.
>>>>
>>>>
>>> The problem with disabling vlans unconditionally is that you break -net
>>> socket and -net dump.
>>>
>> -netdev socket seems to be supported. No?
>>
>
> Sure, but it's of limited utility in the absence of vlans. A typical
> thing to do with -net socket would be to launch one instance of qemu
> with -net user, -net socket, and -net nic. Another qemu would be
> launched with -net socket and -net nic connected to the previous
> instance. Now you've got a working virtual network with external access.
Only terribly slow, esp when tunneling tcp over tcp.
> -netdev socket alone won't get you this.
-socket should really support udp. Then you could get what you
wanted with halfway decent speed using multicast.
> Regards,
>
> Anthony Liguori
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, (continued)
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Gerd Hoffmann, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Paul Brook, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Anthony Liguori, 2010/06/08
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/07
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Markus Armbruster, 2010/06/09
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Chris Webb, 2010/06/10
- Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/10
Re: [Qemu-devel] [PATCH] configure: add an option to disable vlans, Michael S. Tsirkin, 2010/06/08