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Re: ndp -a stops for a while because of lo0
On Mon, 22 Oct 2012 14:22:17 -0400
Greg Troxel <gdt%ir.bbn.com@localhost> wrote:
> use '-n' to disable dns. on my machine, 'ndp -a' is quick.
well, that's right, i did not expect that it may be DNS that makes this
all slower, with ndp -an it's fast to me as well.
> It looks like lo0 has no MAC address, which makes sense. It may or
> may not be a bug that there is an NDP entry.
> That's a 'link local' address. I think every interface is required to
> have one, and there's no reason they have anything to do with MAC
Link Local would be ::1, or not???
But OK, I see the point that they need to have one with fe80::1 but if
this is required for loopback is the question. Maybe a sysctl control
could be made so that per default auto_linklocal would be disabled for
loopback device(s) (lo/lo0).
> I've been running IPv6 for many years with NetBSD, and it generally
> works. So you should perhaps post exactly what you are doing, what
> you expect to see, and what you are seeing. I would suggest posting
> to netbsd-users, unless your mail e.g. contains an analysis from the
> standards and is pointing out a particular proble.
Maybe you are talking now about my neighbor discovery problem, but
there i already found out that NetBSD maybe does have only the older
implementation of ND IPv6, the one before:
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