On Sun, 6 Mar 2011, Mark Smith wrote:

I don't think that will always work. The PIO is needed to indicate to end-nodes what the onlink prefix(es) are, as per RFC5942.

Why do they need to know that?

In our testing at least under Linux did just fine by knowing how to reach the router and that it needed to use (and actually used) DHCPv6 to get its IPv6 address. No on-link prefix was needed (or even desireable in some deployment scenarios).

Does RFC5942 says this is mandatory? I interpret 4.1 as this is definitely not mandatory, rather the opposite?

--
Mikael Abrahamsson    email: [email protected]
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