Re: ipv6_addrs_IF aliases in rc.conf(5)

On Sat, Dec 22, 2012 at 4:25 PM, Łukasz Wąsikowski
<lukasz_at_wasikowski.net> wrote:
> W dniu 2012-12-22 04:41, Kimmo Paasiala pisze:
>
>>>> It looks like the reason for the difference to ipv4_addrs_IF is that
>>>> the "alias" parameter for ifconfig(8) operates differently for IPv6
>>>> addresses, the first address of an interface can't be added with
>>>> "alias", for IPv4 it does not care. I'll have to dig deeper but that's
>>>> what the problem seems to be.
>>>>
>>>> -Kimmo
>>>
>>> The 'alias' parameter of ifconfig(8) is not the problem on the first
>>> ipv6 address, I have verified that. However, there's probably
>>> something in network.subr or /etc/rc.d/netif that I have overlooked
>>> and causes my code to be skipped if there's no ifconfig_IF_ipv6
>>> variable defined in rc.conf(5).
>>>
>>> -Kimmo
>>
>> Yeah, this is problem in network.subr. An interface is not recognized
>> as IPv6 capable if the interface is not in "ipv6_network_interfaces"
>> and there's no "ifconfig_IF_ipv6" in rc.conf(5), bummer. For IPv4 it
>> "just works" because the interface is always assumed to be IPv4
>> capable.
>
> Ok, I used ifconfig_em0_ipv6="up" and it worked. So it looks like this:
>
> ipv6_activate_all_interfaces="NO"
> ipv6_network_interfaces="em0"
> ifconfig_em0_ipv6="up"
> ipv6_addrs_em0="2001:6a0:1cb::1-ff/64"
> ipv6_defaultrouter="2001:6a0:1cb::ffff"
>
> Good job, thank you! :)
>
> --
> best regards,
> Lukasz Wasikowski

I'm looking into fixing the issue so you could just have the
ipv6_addrs_em0 line in rc.conf. However I don't want to flood the PR
and this mailing list with different versions of the patch. I want to
get it right next time. Stay tuned.

-Kimmo