[netcf-devel] Multiple interfaces with identical mac-addresses
Dan Kenigsberg
danken at redhat.com
Wed Jun 24 19:15:16 UTC 2009
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:
# cat /sys/class/net/bond0/bonding/slaves
eth2 eth3
# cat /sys/class/net/eth2/address
00:1d:09:68:71:4e
[root at silver-vdsa ~]# cat /sys/class/net/eth3/address
00:1d:09:68:71:4e
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