[114240] in North American Network Operators' Group
Re: Where to buy Internet IP addresses
daemon@ATHENA.MIT.EDU (Jack Bates)
Mon May 4 22:29:33 2009
Date: Mon, 04 May 2009 21:29:29 -0500
From: Jack Bates <jbates@brightok.net>
To: nanog list <nanog@nanog.org>
In-Reply-To: <op.utfg7zgrtfhldh@rbeam.xactional.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Ricky Beam wrote:
> If I'm allowed to subnet my single /64, then I'm still not using NAT.
> And as long as I don't go beyond /80, autoconfig can still work, at
> least on ethernet -- which is pretty much 99.999% of cases. (not that I
> advocate the use of autoconfig. *grin*)
Sorry, Ricky. But that won't work. EUI-64 is required for autoconfig,
and it expands the 48 bits to 64 bits by inserting FFFF or FFFE
depending on if the original is a MAC-48 or EUI-48 identifier.
That being said, you might be able to use stateless with tokens which
can be less than 64 bits, though not sure how well implementations will
handle stateless autoconfig with less than a /64. You can also use
DHCPv6 with TA/NA addresses, though Cisco doesn't support those options
in their IOS implementation at this time, open source DHCPv6 servers do.
You can also backup to static assignments.
Jack
