In your previous mail you wrote:

>  On 04/04/2013 18:51, Hannes Frederic Sowa wrote:
>  > Hello!
>  > 
>  > What is the proposed action if the hardware address of an interface is
>  > changed regarding link-local addresses while the interface is up? I see
>  > a few possibilities here but have not yet found an answer in the rfcs:
>  > 
>  > a) generate a new link-local interface address in addition to the old one
>  > b) drop the old one and generate a new one
>  > c) don't change any addresses (this is e.g. current behavior in linux)
>  > 
>  > I would be happy if you could give me some pointers.
>  
>  Does it matter? It seems that all three will work properly.

=> I fully agree: RFCs are only about link-local interface ID
generation and as soon as it works no detail really matter.

>  c) will surely only apply until the interface is restarted; then you
>  will get b) automatically.

=> note the "restart" is OS dependent. On OSs where the IID is generated
just after board initialization (BSDs for instance) it gives c) which
is IMHO a good solution (simple and, stable).

Regards

[email protected]

PS: in conclusion this is "implementation dependent" and there is no
(not yet?) a good reason to change this.
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