[netcf-devel] Multiple interfaces with identical mac-addresses

Daniel P. Berrange berrange at redhat.com
Wed Jun 24 19:23:10 UTC 2009


On Wed, Jun 24, 2009 at 10:15:16PM +0300, Dan Kenigsberg wrote:
> On Wed, Jun 24, 2009 at 10:20:00AM -0700, David Lutterkort wrote:
> > On Tue, 2009-06-23 at 21:47 +0100, Daniel P. Berrange wrote:
> > > Why would we ever have duplicate MAC addresses?
> > 
> > VLANs:
> > 
> >         # vconfig add eth0 42
> >         #  cat /sys/class/net/eth0.42/address 
> >         00:15:58:81:5b:0e
> >         # cat /sys/class/net/eth0/address    
> >         00:15:58:81:5b:0e
> 
> btw, there's also bonding:

If you have bonding, you're not doing lookups of the underlying devices,
the top level netcf object would be the bond device itself


Daniel
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