dhcpcd-discuss

On 28/04/2014 9:08, Roy Marples wrote:
> Hi
>
> On 27/04/2014 19:04, ConiKost@xxxxxx wrote:
> > I am trying to get IPv6 prefix delegation with dhcpcd. But when I do
> > so, it fails to assign it to my internal interface:
> >
> > dhcpcd[1814]: version 6.3.2 starting
> > dhcpcd[1814]: DUID <duid>
> > dhcpcd[1814]: ppp0: IAID 00:00:00:00
> > dhcpcd[1814]: ppp0: IAID 00:00:00:01
> > dhcpcd[1814]: ppp0: soliciting a DHCPv6 lease
> > dhcpcd[1814]: ppp0: ADV 2003:xx:xxxx:xxxx::/56 from 
> > fe80::xxx:xxxx:xxxx:1439
> > dhcpcd[1814]: ppp0: REPLY6 received from fe80::xxx:xxxx:xxxx:1439
> > dhcpcd[1814]: enp5s0: interface does not exist for delegation
> > dhcpcd[1814]: ppp0: renew in 900 seconds, rebind in 1440 seconds
> > dhcpcd[1814]: forked to background, child pid 1842
> >
> > Why? What does this error exactly mean? The interface name is correct
> > and it does exist.
> > Could somebody explain this to me?
>
> It's basically a design flaw in dhcpcd - dhcpcd needs to have loaded
> the interface.
> Here's the example from the man page
>
>                    noipv6rs
>                    # Don't touch eth3 at all
>                    denyinterfaces eth3
>
>                    interface eth0
>                    ia_pd 1 eth1/1 eth2/2
>
>                    # Disable automatic address configuration for eth1
>                    # eth1 still gets a delegated prefix
>                    interface eth1
>                    noipv4
>                    noipv6
>
> Also, how did dhcpcd launch? Currently it needs to be started without
> any interfaces listed on the command line.


I've added a fix here:
http://roy.marples.name/projects/dhcpcd/ci/7f5f1f8fdf?sbs=0

dhcpcd will now load the interface on demand if needed, so if you launch 
`dhcpcd ppp0` and dhcpcd.conf instrucs a delegation to enp5s0 it should 
now work.

Thanks

Roy