IPv6 mistakes, was: Re: Looking for an IPv6 naysayer...

Jeffrey Lyon jeffrey.lyon at blacklotus.net
Thu Feb 17 12:31:31 CST 2011


On Thu, Feb 17, 2011 at 1:05 PM, Cameron Byrne <cb.list6 at gmail.com> wrote:
> On Thu, Feb 17, 2011 at 9:52 AM, George Bonser <gbonser at seven.com> wrote:
>>> >
>>> > 240/4 has been enabled in Linux since 2.6.25 (applied on January 21,
>>> > 2008 by David Miller) so that's like three years already.
>>> >
>>>
>>> Yep, and that's great.  Let me know when a Cisco 7600 will route a
>>> packet like this.
>>>
>>> Cameron
>>
>> Considering how small of a change it is, simply removing that net from
>> the "black list", they could do it at any time with a code update to any
>> version of IOS, provided that black list isn't burned into hardware.
>>
>
> I asked 2 years ago, and i was told it was not feasible.  I escalated,
> still no-go, it was a "deep" problem.  And they pointed to the IETF
> saying no on the above drafts as reason to not dig into the microcode
> or whatever to fix it.
>
> This is where i turned to the IPv6-only reality of the future
> near-term internet.  I suggest you do the same.
>
> Cisco is just one example.  The fact is it will likely not work in
> cell phones, home gateways, windows PCs, Mac's, ....  I understand
> some progress has been made... but choose your scope wisely and pick
> your battles and know that the weight of the world is against you
> (cisco and msft)
>
> Let me remind you, i believe opening 240/4 for private unicast was a
> good ideas years ago.  It is still not a bad idea, what's the harm?
> But ... the answer you will hear is that IPv6 has momentum, go with
> the flow.
>
> Using 240/4 is much better than providing a public allocation to
> private networks.  It properly makes folks consider the reality of
> staying with broken ipv4 or making the much better long term
> investment in IPv6.
>
> @George
>
> Please don't speculating on when Cisco or Microsoft will support 240/4
> on this list.  Ask your account rep, then report back with facts.
> Arm-chair engineering accounts for too many emails on this list.
>
> Cameron
> =====
> http://groups.google.com/group/tmoipv6beta
> =====
>
>

IPv6's momentum is a lot like a beach landing at Normandy.

-- 
Jeffrey Lyon, Leadership Team
jeffrey.lyon at blacklotus.net | http://www.blacklotus.net
Black Lotus Communications - AS32421
First and Leading in DDoS Protection Solutions




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