Re: there should be a ULA prefix?? [was: A common problem with SLAAC in "renumbering" scenarios]

Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com> Tue, 26 February 2019 23:23 UTC

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To: ipv6@ietf.org
Subject: Re: there should be a ULA prefix?? [was: A common problem with SLAAC in "renumbering" scenarios]
From: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>
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In-reply-to: Your message of "Wed, 27 Feb 2019 08:35:48 +1300 ." <9b7ba4df-41df-2c03-ddca-e15289075bff@gmail.com>
Date: Wed, 27 Feb 2019 00:23:28 +0100
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>Really? Where do you think that is stated?

As Mark said, RFC-7084.

>> So I think that with a ULA, it makes more sense for a CPE to limit lifetimes
>> to some multiple of the RA interval.
>
>Why? I don't expect my ULA prefix to change ever. Or do you mean the lifetimes
>for globally routeable prefixes?

In the case of bridged VMs, prefixes can stick around for a long time.