Never tested SLAAC on lagg, but your configuration looks correct to me. One
flag that I notice that looks questionable is the MTU option being 9216
while the lagg interface is set to 1500. I doubt this would cause SLAAC to
fail but it maybe worth investigating.
On Sat, Aug 5, 2017 at 8:54 PM, Greg Rivers <gcr+freebsd-stable at
tharned.org>
wrote:
> On Saturday, August 05, 2017 20:44:56 Ultima wrote:
> > Do you have pf or ipfw running? are they accepting ICMP type 128, 129,
> 135,
> > 136? the first 2 are for ping requests last 2 for Neighbor
> > solicitation/advertisement.
> >
> Ah, good question. Neither host is running a firewall; I should have
> mentioned that. Thanks for your reply.
>
> --
> Greg Rivers
>