[v6test] IPv6 prefix used for experiment - 2001:4978:8::/48

[Jeroen Massar]

Kevin Day wrote:
[..]
> If you're worried about us breaking something of yours by having a lot  
> of v6 traffic on your network, contact me off list or post here on the  
> list with your concerns. If you have to block something, block only  
> that /48.

And for the people that really want to block it, *DO* return "ICMP 
Unreachable :: Administratively prohibited" (type 1, code 1 *).
That will save on diagnosing a lot of problems, also clients (eg 
browsers) trying to reach that prefix will then automatically fall back 
to IPv4 instead of having to time out and thus disrupt the experiment.


(The real question of course would be why one has an IPv6 network 
deployed if you already know it is broken or will break when it actually 
gets used....)

Greets,
  Jeroen

* = http://www.iana.org/assignments/icmpv6-parameters

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