dhcpv6 on ppp interface not working: Unsupported device type

[wax g.]

Thanks for the lead Bjørn. I'll try with the patch.

I did try wide dhcpv6 but it could not go beyond sending solicit messages
despite receiving replies (as per tcpdump), which it seemed to ignore.

regards,


On Fri, Feb 14, 2020 at 9:02 PM Bjørn Mork <bjorn at mork.no> wrote:

> "wax g." <waxitau at gmail.com> writes:
>
> > I'm trying to use isc-dhcp-client to get a global ipv6 address & prefix
> > delegation (IA_NA & PD) for a ppp interface but get this message instead:
> >
> > * Unsupported device type 512 for "ppp0"
> >
> > cli# dhclient -6 -P -v -N ppp0
> >
> > Versions:
> > * Tested unsuccessfully  4.4.1 on debian buster.
> > * Tested unsuccessfully  4.4.2 on debian buster.
> >
> > I've seen similar error messages dating from 2009 / 2010 and i thought
> this
> > would be solved by now.
> >
> > Has anyone been able to make this work using isc-dhcp-client ?
>
> There's an old patch here:
> https://lists.isc.org/pipermail/dhcp-users/2010-April/011624.html
>
> Don't know if it still applies, but it shouldn't be too hard to rebase.
>
> The WIDE DHCPv6 client is a pretty good alternative IMHO. At least as
> packaged by Debian, with a few fixes and new features since the last
> upstream release in 2008:
> https://packages.debian.org/buster/wide-dhcpv6-client
>
>
> Bjørn
>
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