RFC 5204 (Basic Requirements for IPv6 Customer Edge Routers) states:
( http://tools.ietf.org/html/rfc6204#section-4.2 )

WAN-side requirements:

 W-1:  When the router is attached to the WAN interface link, it MUST
       act as an IPv6 host for the purposes of stateless [RFC4862] or
       stateful [RFC3315] interface address assignment.

 W-2:  The IPv6 CE router MUST generate a link-local address and
       finish Duplicate Address Detection according to [RFC4862] prior
       to sending any Router Solicitations on the interface.  The
       source address used in the subsequent Router Solicitation MUST
       be the link-local address on the WAN interface.

 W-3:  Absent other routing information, the IPv6 CE router MUST use
       Router Discovery as specified in [RFC4861] to discover a
       default router(s) and install default route(s) in its routing
       table with the discovered router's address as the next hop.




Do the W-2 and W-3 paragraphs run counter to what OpenBSD allows, i.e.,
do those paragraphs imply that 

  net.inet6.ip6.accept_rtadv=1
  net.inet6.ip6.forwarding=1

be an acceptable configuration?

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