Re: dhcpcd ipv6ra_autoconf and sysctl net.ipv6.conf.*.accept_ra
Roy Marples
Tue Feb 14 22:30:49 2017
Hi
On 14/02/2017 14:38, Harald Albrecht wrote:
> Hi,
>
> from the conf man page as well as the dhcpcd source I saw that
> ipv6ra_autconf is on by default. Now, on a Linux router with sysctl
> default net.ipv6.conf.*.accept_ra=1 this would cause dhcpcd run SLAAC,
> with the kernel *not* doing SLAAC on a router with forwarding=1.
>
> Now, on an IPv6 host with forwarding=0, wouldn't this cause a conflict
> by both the kernel running SLAAC as well as dhcpcd in reaction to a RA
> with a PIO? Could this be a reason why I get a NETLINK "file already
> exists" error with recent dhcpcd versions? (albeit on a router with
> accept_ra=2, so this does SLAAC in the kernel too)
>
> Can someone please shed some insight onto this situation?
I've not tried with those specific options ....
Saying that, there has been a lot of work in trunk about dealing with
kernel option for this but mainly for the BSDs but I think Linux too.
Can you test the latest trunk and see if the issue still exist please?
Thanks
Roy
Archive administrator: postmaster@marples.name