PPP IPv6 prefix length and stateless autoconfiguration?

[JINMEI Tatuya / 神明達哉]

>>>>> On Mon, 16 Oct 2006 15:19:55 -0700, 
>>>>> "Krejsa, Dan" <dan.krejsa at windriver.com> said:

> Some code in the in6_update_ifa() function in netinet6/in6.c
> enforces that if an IPv6 destination address is specified for
> an interface address, the interface must be point-to-point or
> loopback (fine), and the corresponding prefix length must be
> exactly 128 bits.

> The latter seems (at least naively) to conflict with 
> the definition in

>   http://www.ietf.org/internet-drafts/draft-ietf-ipv6-over-ppp-v2-02.txt

> that the interface identifier length for PPP interfaces is 64 bits, and
> correspondingly prefixes accepted from a router advertisement
> must also be 64 bits long; see section 5.5.3 in

>   http://www.ietf.org/internet-drafts/draft-ietf-ipv6-rfc2462bis-08.txt

So shouldn't you simply specify the prefix length of 64 without
specifying the *destination* address of the p2p link?

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei at isl.rdc.toshiba.co.jp