On Fri, 17 Oct 2014, Lorenzo Colitti wrote:
You keep mentioning this, but you're incorrect. Even if the ISP
flash-renumbers, hosts will not lower the lifetime of their IP addresses
below 2 hours, per RFC 4862.
Where in RFC4862 is this described?
A lot of time was spent on RF7084 and its predecessor, making sure it was
a requirement to send RAs with zero-lifetime for the on-link prefix if the
delegated prefix went away, so hosts would stop using it very quickly.
So my expectation if the ISP flash-renumbered (ie reset the PPPoE session,
the physical uplink went down or the DHCPv6-PD lease expired), an RFC7084
compatible router would send out RAs with zero-lifetime and hosts would
immediately stop using these IPs for new connections. Am I wrong, and
where can I read up on the behaviour you're describing?
--
Mikael Abrahamsson email: [email protected]
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