The stupidity of trying to "fix" DHCPv6

Sun Jun 12 10:35:44 UTC 2011

On Fri, Jun 10, 2011 at 09:12:26PM -0700, Owen DeLong wrote:
> You must have RA to at least tell you:
> 	Default Router
> 	Go ask the DHCP server (M and/or O bit)
> 
> As it currently stands, an RFC-compliant host will not attempt to solicit
> a DHCP response unless it receives an RA with the M inclusive-or O bits
> set.

RFC 4862 seems to acknowledge otherwise:

   5.5.2.  Absence of Router Advertisements

   Even if a link has no routers, the DHCPv6 service to obtain addresses
   may still be available, and hosts may want to use the service.[...]

Could you point to any RFC which implies or explicitly states that
DHCPv6 MUST NOT be used in absence of RA with M and/or O=1?

Regards,
Daniel

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