[sidetrack: anycast ipv6 note] Joel M. Halpern wrote: > I suspect that our disagreement may relate to the definition of Anycast. > For example, IPv6 anycast, which as I understand it is a prefix followed > by all zero bits,
Actually, it is just like IPv4, you configure a /128 in IPv6 or a /32 in IPv4 and route it. The host that picks it up wins. The one you mention is called a 'subnet anycast address', which is the "0" on the subnet, if you have a /64, it is is the all-zero address; if you have a /127 though, you suddenly have a problem: 0 = subnet anycast, 1 is the first address, and indeed then it is full and it does not work. Which is why /127's are a bad idea to use; 2x /128 works of course ;) Ggreets, Jeroen
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