Teredo only used as last resort after IPv4 (Was: ipv6-ops Digest, Vol 25, Issue 9)

[nenad pudar]

I have vista now (torredo enabled by default) ,have patched lynksys software
with Earthlink patch ,it is working fine except that I cannot browse since
DNS is not working (reverse DNS seems to be OK)


C:\Users\Shone>tracert 2001:5a0:d00::5

Tracing route to gin-nto-core2.ipv6.teleglobe.net [2001:5a0:d00::5]
over a maximum of 30 hops:

  1  2282 ms    38 ms    41 ms  iad0-stf.hotnic.net [2001:4810:0:100::3]
  2    45 ms    39 ms    41 ms  iad0-b0-ge2.hotnic.net [2001:4810:0:100::1]
  3    39 ms    39 ms    40 ms  carpathia-gw.hotnic.net [2001:4810::1:4:2]
  4    40 ms    41 ms    39 ms  ae0-10.was10.ip6.tiscali.net[2001:668:0:3::8000
:1]
  5    42 ms    41 ms    41 ms  so-1-0-0.was10.ip6.tiscali.net[2001:668:0:2::1:
242]
  6    41 ms    41 ms    42 ms  2001:504:0:2::6453:1
  7    41 ms    41 ms    42 ms  2001:5a0:600::6
  8     *       51 ms    48 ms  gin-nto-core2.ipv6.teleglobe.net[2001:5a0:d00::
5]

Trace complete.

C:\Users\Shone>tracert www.ipv6.sixxs.net
Unable to resolve target system name www.ipv6.sixxs.net.


Am I missing something here ?

Is Vista using IPV6 for DNS transport trying to communicate with DNS server
?

thanks
nenad


On 4/9/07, Jeroen Massar <jeroen at unfix.org> wrote:
>
> For BBC folks and people who know how to get to them:
>
> Does anybody have a contact at the BBC who can disable that open
> recursive DNS server (212.58.224.21)? Some nice DDoS attacks can be done
> with it. CC'ing their abuse@ just in case. Please close it up and
> restrict it only for your OWN customers usage. Thank you.
>
>
> Andrius Kazimieras Kasparavic wrote:
> > Does anyone knows why I can not get v6 prefered on default windows vista
> > installation to www.ripe.net; I am using bbc's NS 212.58.224.21(just to
> > make sure it is not my DNS) and default teredo config. when i type
> > manually [2001:..] that works as well as ping -6, but does not prefer v6
> > neither with default IE7 or FF2 :( Verified with tcpdump - getting AAAA
> > response.
>
> Because the default Vista policy prefers IPv4 over Teredo.
>
> When you have native or tunneled IPv6 connectivity thatwill be
> preferred. See the discussion on Teredo from last week or so.
>
> If you try www.ipv6.sixxs.net, which only has a IPv6 address, then you
> should be reaching it using IPv6.
>
> Greets,
> Jeroen
>
>
>
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