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