I don't like multicast-based random discovery but about the security it is why we have scoped multicast...
Regards [EMAIL PROTECTED] PS: I am in favor of as possible passive mechanisms, and in my IMHO too active mechanisms won't get better result just because too many devices will be configured to not answer. Here examples are ND table dumps via SNMP and multicated echo requests. -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------