On Aug 20, 2014, at 2:25 PM, Ed Hynan <eh_l...@optonline.net> wrote:
>
> Although this is a little more complex on gif than e.g. an ethernet interface,
> alias is at least similar. On a more straightforward type interface, alias
> is used adding additional addresses (BTW, not OpenBSD specific, the alias
> keyword is similar for {Net,Free}BSD; and, apparently dissimilar on Linux).
> Think of the IPv6 addrs as 'additional' after IPv4 tunnel addrs for
> conceptual satisfaction.
OK, got it. I am at peace.
>>
>> Output of that is:
>>
>> default 2001:470:1f04:204::1 UGS
>> 6 146 - 8 gif0
>> 2001:470:1f04:204::1 2001:470:1f04:204::2 UH
>> 1 0 - 4 gif0
>> 2001:470:1f04:204::2 link#6 UHL
>> 0 0 - 4 lo0
>>
>> This is different than what you describe, but it makes sense. I think.
>
> Is it different? Your output shows what I intended to describe.
> Line 1 with G flag shows that 'gateway' addr *::1 is default route
> and line 2 with H flag shows 'host' addr *::2 has/is a route to *::1
> (didn't I suggest that clearly on my 1st coffee? I think I did).
Upon reflection, it does match what you said. My coffee consumption, or
lack thereof, influenced my comprehension here.
>
>
> Looks good. Since this is a host never mind rtadvd (I had mentioned
> that). You'll want to handle IPv6 in pf generally. Since you
> didn't mention it I suppose you're not strictly firewalling; you
> would have mentioned allowing proto 41 for the ip4 remote endpoint
> or maybe you've got that all set.
I don't now, but that's the goal. At this point, I need to forage for some
hardware to try building a router. I had a perfectly good beige box with
numerous interfaces that I threw out recently. Party foul. Once I get
that, then I probably will have PF-specific questions.
