[ntp:hackers] Re: IPv6 Multicasting

David L. Mills mills at udel.edu
Fri Jul 1 07:01:50 PDT 2005


Mark,

I've swapped out several machines recently for one reason or another. If 
I have to negotiate new IPv6 addresses every time I do that, those 
machines will not support IPv6. The case for pogo is in scope. I'm not 
going to guarantee a DNS update every time I light up new hardware at an 
old spot.

Dave

Mark Martinec wrote:

>>From Dave:
>
>>I expect what happened was that the pogo hardware was changed out for a
>>more modern machine and that changed the MAC address. I'm really nervous
>>about tying the IPv6 address to the MAC address, as the machines do get
>>swapped out from time to time.
>>
>
>Automatically assigned IPv6 addresses (MAC based) are fine for
>end-user PCs. In my opinion all hosts that run some network service
>should have explicitly assigned dependable IPv6 addresses.
>
>  Mark
>




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