It's always tempting to use the MAC address, and while in physical hardware
it's unique, in networking it's only required to be unique within a single L2
domain.
Some virtualized environments, including EC2, play games with the MAC address
and rendering it useless as a global ID.
-C
Ken Wesson
n the same organization, routable at L3 but in
separate L2, can have VMs with conflicting MAC addrs.
Admittedly, it's a nit to pick, but who would want to debug that?
-C
Ken Wesson wrote:
> On Fri, Mar 4, 2011 at 1:09 PM, Christopher Brown
> wrote:
>> It's always tempting to u
's already been discussed.
Cheers,
Chris
Michael Wood wrote:
> On 5 March 2011 07:38, Ken Wesson wrote:
>> On Fri, Mar 4, 2011 at 8:07 PM, Christopher Brown
>> wrote:
>>> It will always return a MAC address, but in a virtualized environment those
>>> are a