nanog mailing list archives

Re: Where to buy Internet IP addresses


From: Mohacsi Janos <mohacsi () niif hu>
Date: Tue, 5 May 2009 09:07:54 +0200 (CEST)



On Mon, 4 May 2009, Ricky Beam wrote:

On Mon, 04 May 2009 17:03:31 -0400, Bill Stewart <nonobvious () gmail com> wrote:
When I came back, I found this ugly EUI-64 thing instead,
so not only was autoconfiguration much uglier,
but you needed a /56 instead of a /64 if you were going to subnet.
Does anybody know why anybody thought it was a good idea
to put the extra bits in the middle, or for IPv6 to adopt them?

"64bit MAC" -- which pretty much exists nowhere. It's a repeat of the mistakes from IPv4's early days: CLASSFUL ROUTING.


Blame IEEE. They claimed that for identifying network cards 64 bit ID will be used in th future.... (Already used in IEEE 1394)


I'm with you. I wish vendors and spec designers would just get over it and let people subnet however they want. If I want to set a network to be /96 or /120, I should be allowed to do so. Yes, I know autoconfig will not work -- and I don't want it to. I can make /31 IPv4 routes -- no router I've ever used complained about it. (that sends 2 addresses to one place; what happens in the place is not the router's concern.)

I did not get any problem setting up any sunet length manually all the systems I tested.

Best Regards,
                Janos Mohacsi


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