Same MAC address in 2 different VLANs

[joost at jodocus.org]

> Hello,
>
> Could any one comment about the use of the same MAC address in 2
> separate VLANs?
>
[...]
>
> Will this be an issue?
>

You might run into problems if the two (virtual) systems are attached to a
different port on your switch. Some switches don't take the vlan into
account when learning on which port a mac address exists. These switches
will see the mac address jumping between ports all the time.



Joost.