On Mon, 2005-06-06 at 19:00 +0200, Antonio Barbuzzi wrote:
> Hi all,
> I've a problem to understand the meaning of some flag combinations in
> router advertisement option "prefix information".
> In particular, what do the subsequent configurations mean?
> 
> (on-link=1, autonomous=0)

on-link = 1: The prefix is considered on-link, that is when sending to
the address matching the prefix, do Neighbor Discovery.

autonomous=0:  Do not create an address based on this prefix.

> 
> (on-link=0, autonomous=1)

on-link=0:  Prefix is not on-link.  Send packets to router.
autonomous=1:  Do address autoconfig.

> 
> (on-link=0, autonomous=0)

on-link=0:  As above.
autonomous=0:  As above.

> Are they valid possibilities?
> 

They are all legal.

-vlad

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