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RE: I-D Action:draft-ietf-v6ops-ipv6-cpe-router-03.txt
> A question: is WPD-1b meant to apply to all DHCP messages in which the
prefix length is specified by
> the requesting (CE) router? Or just the case of initial boot (no
previously assigned prefix). If a
> prefix previously was assigned, I assume the CE router should include
this as a hint, and not provide a
> hint according to WPD-1b?
Actually, I think that the CE router should provide the WPD-1b value as
the hint either when first requesting it or renewing - and the SP is
free to provide a different answer the second time.