website in ipv6

Deric Kwok deric.kwok2000 at
Wed Jun 29 01:15:20 UTC 2011

Thank you all
Two questions:

If I get the HE as upstream to advertsie our ipv6,

1/ Do we still have as tunneling connection?

2/ All the internet users can access our ipv6 website?

Thank you

On Tue, Jun 28, 2011 at 2:09 PM, Kenny Sallee <kenny.sallee at> wrote:
>> > >
>> > I did this by creating a 6to4 tunnel to a relay provided by
>> 6in4, not 6to4.  While HE do operate 6to4 relays, the brokered tunnel
>> service is 6in4.
> A very important distinction I didn't have clear in my head.  To regurgitate
> some reading I just completed: both methods use v6 in v4 tunneling using ip
> proto 41 in the IPv4 protocol field.  However, 6to4 derives the IPv4 tunnel
> destination of an IPv6 packet based on bits 17-48 of the IPv6 packet - which
> when converted, equals the 32 bit IPv4 destination.  While 6in4 is
> statically configured IPv4 source and destination IP addresses on the Tunnel
> (gre) interface.  In Cisco world the config comes down to 'tunnel mode
> ipv6ip' vs 'tunnel mode ipv6ip 6to4' and a few other lines of config.
> Of course there are a lot more details then that searchable via google.
>  Thanks for pointing out my mistake - it helped me learn some more!  Later,
> Kenny

More information about the NANOG mailing list