Le 28/03/2012 09:21, Tomek Mrugalski a écrit :
On 12-03-27 17:52, William Herrin wrote:
On Tue, Mar 27, 2012 at 8:10 AM, Alexandru Petrescu If added, I
think it should be non-authoritative. That is, the receiving host
can use it briefly to get a jump start on communication but is
expected to promptly perform an ND request for the authoritative
MAC. This would allow a host to recover gracefully in the
inevitable event that the DHCP server and router get out of sync
about the router's MAC address.
No, we do not plan adding MAC field. That would give us nothing, but
would bring a lot of troubles. In particular, the problem of MAC
being mis-configured or becoming out of sync. ND is a good protocol
for that purpose and is supported by all devices that claim IPv6
compatibility, so we plan to use it.
In a sense yes, the MAC is something with link scope and ND is link
scope and ND may have the best local information about MAC. This would
not prevent this information to be stored centrally, with all advantages
centralized management brings, and inconvenients.
Alex
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