6to4 status (again)

Brzozowski, John Jason jjmb at jjmb.com
Thu Feb 28 14:24:17 CET 2013

Not sure if Townsley is on this or not, if he is maybe he can comment on
where this stands within Cisco.  FWIW - I am requiring all my vendors to
not enable 6to4 at all by default.  In the case where I provide the router
6to4 will not even be an option.  I have extended this requirement to my
vendors that build retail devices as well.  The latter is harder to enforce.

I do not think 6to4 offers a great experience however I am not at the point
where I am passionate about its death.  It will go away eventually.  And
like I said I will try to encourage my customers to disable the same.


On Thu, Feb 28, 2013 at 8:18 AM, Mikael Abrahamsson <swmike at swm.pp.se>wrote:

> On Thu, 28 Feb 2013, Jeroen Massar wrote:
>  You are correct, Apple (Express/Extreme/TimeCapsule) for instance provide
>> this and there are other boxes out there that can enable 6to4 easily
>> enough. As they indeed sit on the public IP they can do 6to4.
> For instance Cisco Linksys EA4500 will do 6to4 and advertise this to hosts
> behind it, if you disable IPv6 in the GUI. I have bug reported this, don't
> know if anythnig came out of it :P
> When this happened it took a little while before I realised what was going
> on and why things were so broken. 6to4 needs to die die die.
> --
> Mikael Abrahamsson    email: swmike at swm.pp.se
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