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Date: Wed, 04 Nov 2009 18:52:48 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] Re: [PATCH 0/4] net-bridge: rootless bridge support
	for qemu
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To: kirkland@canonical.com
Cc: Mark McLoughlin <markmc@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Arnd Bergmann <arndbergmann@googlemail.com>, Michael Tsirkin <mst@redhat.com>, Juan Quintela <quintela@redhat.com>, qemu-devel@nongnu.org

Dustin Kirkland wrote:
>> We address this problem by introducing a new network backend: -net bridge.  This
>> backend is less flexible than -net tap because it relies on a helper with
>> elevated privileges to do the heavy lifting of allocating and attaching a tap
>> device to a bridge.  We use a special purpose helper because we don't want
>> to elevate the privileges of more generic tools like brctl.
>>
>> From a user perspective, to use bridged networking with a guest, you simply use:
>>
>>   qemu -hda linux.img -net bridge -net nic
>>     
>
> I know that this patch is less than a day old and untested, but would it
> be reasonable to make this the "default" network configuration at some
> point in the future?  This certainly seems to be what I want 99% of the
> time when I launch qemu or kvm by hand from the command line.
>   

I'd rather make the "default" network configurable via a global 
configuration file.  That way, if a distribution knew that it had a 
bridge setup for its users, it could make -net bridge the default.

Regards,

Anthony Liguori