Lloyd Parkes <lloyd%must-have-coffee.gen.nz@localhost> wrote:
> I think maybe this line
> https://nxr.netbsd.org/xref/src/sys/netinet6/in6_ifattach.c#228
That seems like the culprit.
I was thinking that when generating some v6-LL that it wound up creating
something that was multicast, and thus it wound up hearing it's own DAD.
> On 20/11/2025 16:59, Mouse wrote:
>> Is the all-zero MAC address special? Thanks to an unusual hardware
>> situation, I just booted a SPARC such that le0 thinks its MAC is
>> all-0-bits. (Booted from disk, not netboot, to be sure.)
>>
>> But IPv6 failed to attach at boot time, saying it failed to get EUI64,
>> which is why I'm asking. I can't recall hearing of any way in which
>> the all-0 MAC would be invalid, but _something_ seems to think it is;
>> it looks to me like a perfectly good globally-administered unicast
>> address. It seems to work fine for IPv4, though of course (like any
>> MAC) there can be at most one such in any broadcast domain unless
>> you're doing something fancy.
>>
>> Anybody happen to know?
>>
>> /~\ The ASCII Mouse
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