Re: IPv6 test failures

[Roy Marples <roy%marples.name@localhost>]

On 28/04/2018 16:07, Robert Swindells wrote:
> On 2018-04-28 15:18, Maxime Villard wrote:
> > Le 28/04/2018 à 14:37, Robert Swindells a écrit :
> > > Is anyone looking at the cause of these failures in recent test runs ?
> > >
> > > net/ndp/t_ra
> > >    ra_flush_prefix_entries
> > >    ra_prefix_expiration
> > >
> > > They are failing because NDP is broken, I'm seeing the same behaviour 
> > > on my systems.
> > >
> > > The host receives an RA but doesn't do anything with it.
> > >
> > > Robert Swindells
> >
> > When did that stop working? I didn't touch ND6, but I did touch ICMPv6.
>
> It wasn't you that broke it.
>
> Part of my local problem is caused by a bug in dhcpcd, I was able to 
> toggle the
> interface flags using ndp(8) then run a local copy of rtsol to get a prefix
> and default route set up.

Can you describe more the bug in dhcpcd?

I fixed the sending of the RA in rtadvd.c 1.66 (and the tests now show 
it's sending again, yay) so I think I've not broken this either.

> I suspect that I'm also having MTU mismatch problems though.

Both dhcpcd and the kernel will set the MTU of the routes to the MTU as 
perscribed by the RA.

Roy