[125903] in North American Network Operators' Group
Re: [Re: http://tools.ietf.org/search/draft-hain-ipv6-ulac-01]
daemon@ATHENA.MIT.EDU (Tony Hoyle)
Mon Apr 26 08:28:19 2010
Date: Mon, 26 Apr 2010 13:27:41 +0100
From: Tony Hoyle <tony@hoyle.me.uk>
To: nanog@nanog.org
In-Reply-To: <20100426163825.29c6096b@opy.nosense.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On 26/04/2010 08:08, Mark Smith wrote:
>
>> How much do you understand about IPv6 addressing? Are you aware that
>> IPv6 addresses have explicit preferred and valid lifetimes, and
>> therefore they can change over time?
Only via privacy extensions.. and I always switch them off as they're a
pain in the neck. Even with those they don't change the prefix.
My /48 is allocated to me.. In no sane world would that suddenly
change, unless I did something major like change ISP, any more than my
v4 address would suddenly change.
You're trying to say ipv6 prefixes change randomly over time - just
think of the implications if that could happen... even basic things like
firewalling would become a nightmare.
Tony
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