Thomas, My personal observation, if it's implemented in Windows Vista & WIn7, Linux, BSD, (and probably Macs), then this sounds like widely implemented. This plus Ole's use scenario, leads me to think it should be a SHOULD.
Bob On May 9, 2011, at 12:58 PM, JINMEI Tatuya / 神明達哉 wrote: > At Fri, 06 May 2011 13:48:19 -0400, > Thomas Narten <nar...@us.ibm.com> wrote: > >> I'm not entirely sure what to do here. RFC 4191 is not widely >> implemented, AFAIK. It's in Windows Vista (and onwards) and also >> Linux. Not sure where else (I'm guessing not on Macs?) > > (I'm not sure if the following information is really relevant to the > discussion context, but am providing some fact in case it does.) > > Many major BSD variants (including FreeBSD) have been supporting the > host part of default router preferences (but not more specific routes) > for quite a long time (according to the source code repository, this > feature was incorporated to FreeBSD in October 2005). I don't know > the details of MacOS X on this point (or I'm so lazy that I've not > checked its behavior using my laptop), but it at least seems to > recognize the preference value: > > % ndp -r > fe80::230:48ff:feb9:9a5c%en0 if=en0, flags=, pref=medium, expire=23m7s > (note the "pref" field) > > --- > JINMEI, Tatuya > Internet Systems Consortium, Inc. -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
