> -----Original Message----- > From: Bill Fenner [mailto:[EMAIL PROTECTED]] [...] > It's fairly clear how to allow A and F to not advertise site-local > addresses across the boundary (at least, as long as it coincides with a > routing protocol boundary, e.g. OSPF area). However, if H1 knows that > H2 is witchin the same site, H1 is allowed to use its site-local source > address to send to H2's global address. However, along the H1-A-D-F-H2 > path, A would have to drop the packet because it has a site-local address > and is trying to cross a site boundary.
Yes, scopes have to be convex. This is not new in IPv6. See section 7 of the IPv4 scoped multicast RFC (2365). -Dave -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
