Disable IPv6 by default.

[Ola Thoresen]

Richi Plana wrote:
> On Sat, 2007-09-15 at 13:18 -0400, Simo Sorce wrote:
>> On Sat, 2007-09-15 at 11:11 -0600, Richi Plana wrote:
>>> I have to ask people who IPv6 this: What are the advantages of using
>>> IPv6 right now? Specially tunneling. Is there anything I can get with
>>> using IPv6 at this point that I can't while using IPv4? There's been
>>> mention of wireless. Does that have anything to do with it?
>> Afaik nothing specific to wireless, one GOOD thing is that you have a
>> full public address, and you can have a public address on each machine
>> in your home/small shop/whatever and get rid of NAT and all the problems
>> it causes.
> 
> Kind of like NAT, then. Is there an IPv6 address registry? Can I acquire
> a publiv IPv6 address space (even if it isn't routeable right now)? I'm
> assuming that IPv6 isn't being routed right now and most people just
> tunnel. (I'll have to ask my ISP).


traceroute to www.freebsd.org (2001:4f8:fff6::21), 30 hops max, 40 byte 
packets
  1  2001:840:101a:ffff::1  0.320 ms  0.201 ms  0.173 ms
  2  2001:840:0:f000::a  39.593 ms  43.471 ms  44.600 ms
  3  2001:840::1  64.704 ms  66.456 ms  68.157 ms
  4  2001:840:0:88::81  69.777 ms  79.340 ms  82.366 ms
  5  2001:2000:3080:5::1  88.880 ms  93.157 ms  95.838 ms
  6  2001:728:0:4000::1  96.919 ms  99.085 ms  101.449 ms
  7  2001:728:0:7001::1  103.101 ms  95.157 ms  93.461 ms
  8  2001:728:0:2000::59  93.872 ms  98.011 ms  97.881 ms
  9  2001:418:0:2000::10d  172.262 ms  173.862 ms  166.285 ms
10  2001:418:0:2000::bd  186.359 ms  191.858 ms  189.147 ms
11  2001:418:0:2000::36  189.348 ms  190.107 ms  189.071 ms
12  2001:418:0:2000::1b9  237.950 ms  237.712 ms  220.769 ms
13  2001:418:0:2000::1a1  224.523 ms  219.251 ms  216.616 ms
14  2001:418:0:2000::15a  217.473 ms  217.222 ms  216.515 ms
15  2001:418:0:5000::1e  218.824 ms  228.069 ms  220.305 ms
16  2001:4f8:0:1::3e:2  220.787 ms  225.144 ms  228.025 ms
17  2001:4f8:fff6::21  228.348 ms  223.070 ms  223.667 ms


No tunnels here...
And firefox uses ipv6 automatically if I browse that site.
The normal registies are maintaining it:

% This is the RIPE Whois query server #2.
% The objects are in RPSL format.
%
(...)
% Information related to '2001:840::/32'

inet6num:       2001:840::/32
netname:        NO-POWERTECH-20020725
descr:          PowerTech Information Systems AS



Rgds.

Ola Thoresen


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