Re: [Xen-users] Interface incrementation problem

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Andy Smith wrote:
> On Thu, Apr 05, 2007 at 11:11:48AM +0200, Radek Antoniuk wrote:
>   
> > When I'm putting:
> > vif = [ ' bridge=xenbr0' ]
> > in the config file, every restart of the virtual machine, the mac
> > address is changed. Because of that, I get, eth0 after first run, then
> > eth1 (with no eth0), then eth2... and so on.
> > That is not good.
> >     
> It's because of udev, creating persistent device names based on
> MAC address.
>
> And the solution is:
>   
> > The problem is solvable via setting the MAC explicitly in the vif
> > syntax, but that is not comfortable while doing a lot of new machines
> > often.
> >     
> Why are you not comfortable with this?  I generally find it
> essential for management purposes that each domain has a stable MAC
> address that is used by it and only it.
>
> Cheers,
> Andy
>   
Agreed. And it's easy to assing a MAC address range to each Xen Dom0 
server to allocate for its DomU's, so when you see some spewiing cient 
in the logs or on  a switch you have some idea what the heck it is.
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