James - in the abstract, in my opinion the inference is that a prefix
cannot be described as on-link unless it is advertised in a PIO.
Question for the list: is there a functional difference between an RA
that includes a PIO advertising a prefix P with neither the L nor A
bits set (no on-link, don't do SLAAC) and an RA that does not
advertise prefix P at all? I don't think there is, and I'm curious
about why an RA with no PIOs is viewed as "incorrect" while an RA
with PIOs with L and A not set is OK.
- Ralph
On Aug 17, 2007, at Aug 17, 2007,4:09 PM, james woodyatt wrote:
On a related note, I've heard that some operators intend to deploy
DHCP service using RA with M=1 and no PIO. I don't understand how
they imagine the "on-link flag" to be propagated in that scenario.
The "on-link flag" seems to be clearly in the domain of router
function, not dynamic node configuration. Is that to be described
in the forthcoming Internet draft?
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