On Mon, 12 Jan 2009 16:05:45 +0000 (GMT)
Simon Detheridge <[email protected]> wrote:

> Hello,
> 
> I have a box with a bridge, br0, that exists to bridge a bunch of tap 
> interfaces together. I'm running a program that binds to this address to 
> serve things. Unfortunately, this server (it's isc-dhcp3) doesn't like it 
> when the mac address changes.
> 
> I've tried configuring a dummy interface dummy0, and adding it as the first 
> interface on br0, before I bind my server to it. I was hoping that the mac 
> address of dummy0 would be used as the mac address for br0.
> 
> What actually happens is that it uses the dummy0 mac address until the first 
> tap interface is connected, and then the mac address changes to that of the 
> tap interface, and my dhcp server stops working.
> 
> Is there a way I can prevent this from happening?
> 
> Thanks,
> Simon
> 

latest kernels have a way to set mac address. After setting mac address of 
bridge device,
then address won't change.  
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