[j-nsp] MX - Changing MAC address on different unit of the same interface

[Julien Goodwin]

On 06/04/13 03:59, sthaug at nethelp.no wrote:
> No, this is not possible (and why would you need it?). If you think
> about this for a moment, it would require the ability to have 16k or
> so MAC addresses per physical interface. Highly unrealistic.

I can think of one common case, many IX's and shared (colo usually)
transit lans do static mac filters, and if you need to move the port
being able to override the mac can get you back up far quicker then
dealing with a support tech who may not understand the problem.

If that's a low-speed circuit aggregating it can make sense which can
easily lead to a request to do per-VLAN mac's.

-- 
Julien Goodwin
Studio442
"Blue Sky Solutioneering"

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