Re: [Xen-devel] using a different MAC in netfront than theonegiven by netback

[David Edmondson <dme@xxxxxxx>]

On Mon, Aug 18, 2008 at 10:46:39PM +1000, James Harper wrote:
> > Does the driver in question (your GPLPV driver in this case) get
> > notified when Windows wants to use an extra unicast address? Perhaps
> > it just pushes the device into promiscuous mode?
> 
> What actually happens is that Windows sets a registry entry when NLB is
> enabled and my driver uses that to set the MAC address to something
> other than what Dom0 says it should be. Windows then reads the MAC
> address to see if I noticed the registry entry, and if I didn't it
> complains and refuses to enable NLB on that interface saying that it
> doesn't support a change of MAC address.

Then there is only one MAC address used, rather than it being an
additional address?

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