ipv6 next-hop link-local

S.P.Zeidler spz at serpens.de
Wed Feb 23 08:40:48 CET 2011

Thus wrote Mark Smith (nanog at 85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org):

> On Mon, 21 Feb 2011 11:02:28 +0100
> "S.P.Zeidler" <spz at serpens.de> wrote:
> > This is either not stateless, or you have trouble after all your systems
> > have been off (UPS outage, anyone?),
> Just need to define a tie breaking algorithm to select the new seed to
> then choose the new subnet id. Highest or lowest IID would probably do
> after DAD has been completed. I think most of the "packet functionality"
> exists in RAs - PIOs for SLAAC can be announced by an RA without the
> device issuing an RA being considered a default router, by setting the
> router lifetime in the RA to zero.

So you have a unique local prefix, for what exactly?
Since you will come up with something totally different after a power
outage, when you need extra hassles least, you cannot use it to
identify a fileserver, appserver, etc; basically, you can not -use-
these addresses for anything that is not based on dynamic polling.

spz at serpens.de (S.P.Zeidler)

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