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Re: [Qemu-devel] Re: [PATCH 0/4] net-bridge: rootless bridge support for

From: Daniel P. Berrange
Subject: Re: [Qemu-devel] Re: [PATCH 0/4] net-bridge: rootless bridge support for qemu
Date: Thu, 5 Nov 2009 15:14:00 +0000
User-agent: Mutt/1.4.1i

On Thu, Nov 05, 2009 at 10:00:05AM -0500, Mark McLoughlin wrote:
> On Tue, 2009-11-03 at 18:28 -0600, Anthony Liguori 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.
> Just had a quick look through so far, but I like it.
> I think it would make sense to move Fedora and libvirt to using this,
> even for the system libvirtd.

Yes, if this functionality is present in QEMU, there's no reason we
shouldn't use it all the time. The other nice thing about this is 
that people will be able to take the command line generated by libvirt
and run it directly for troubleshooting, since it will no longer rely
on magic TAP file handles to be passed

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