Hi, On Fri, 15 Jul 2011 11:01:30 +0800 Washam Fan <[email protected]> wrote:
> Hi, > > I don't know if it is legal when I manually set a unicast address with > IID=0. Linux allows that and RFC4291 doesn't explicitly prohibit that. > I assume it is legal, Right? > That's the subnet router anycast address, so you probably shouldn't use it without the anycast flag being set when you assign it. Using it as a conventional unicast address might make it interact unexpectedly/badly with things like duplicate address detection. See RFC5453, "Reserved IPv6 Interface Identifiers". Regards, mark. -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
