Re: 6bone space used still in the free (www.ietf.org over IPv6 broken) (Was: why same names, was Re: NANOG 40 agenda posted)

[virendra rode // <virendra.rode () gmail com>]

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James Jun wrote:
> > > I think what's going on is that packets from www.ietf.org don't make it
> > > back to my ISP. A ping6 or traceroute6 doesn't show any ICMP errors and
> > > TCP sessions don't connect so it's not a PMTUD problem. So it's an
> > > actual timeout.
> > I also just started noticing this, that is, that it does not work. And
> > there is a very simple explanation for this: 6bone space.
>
> We (OCCAID) had recently turned up peering with a few networks (including HE
> and others) and as a result our outbound path to HEAnet and other networks
> had changed.
>
> Some of the abrupt route changes are being corrected today evening and
> hopefully should resolve pMTU problems in reaching www.ietf.org.  If you
> continue to experience trouble in reaching thru OCCAID via IPv6, please
> don't hesitate to drop me a line in private.
>
> Regards,
> James
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that was quick, although I tunneling via freenet6.

vrode@promiscious:/etc/ppp/peers$ traceroute6 www.ietf.org
traceroute to www.ietf.org (2610:a0:c779:b::d1ad:35b4) from
2001:5c0:8fff:ffff::a5, 30 hops max, 16 byte packets
 1  2001:5c0:8fff:ffff::a4 (2001:5c0:8fff:ffff::a4)  91.114 ms  90.643
ms  92.29 ms
 2  freenet6.hexago.com (2001:5c0:0:5::114)  95.166 ms  102.207 ms
95.866 ms
 3  if-5-0-1.6bb1.mtt-montreal.ipv6.teleglobe.net (2001:5a0:300::5)
89.454 ms  120.386 ms  92.113 ms
 4  if-1-0.mcore3.mtt-montreal.ipv6.teleglobe.net (2001:5a0:300:100::1)
 90.882 ms  92.495 ms  91.239 ms
 5  if-13-0.mcore4.nqt-newyork.ipv6.teleglobe.net (2001:5a0:300:100::2)
 96.672 ms  97.731 ms  97.782 ms
 6  2001:5a0:400:200::1 (2001:5a0:400:200::1)  107.734 ms  96.951 ms
97.486 ms
 7  2001:5a0:600:200::1 (2001:5a0:600:200::1)  107.223 ms  105.586 ms
103.39 ms
 8  2001:5a0:600:200::5 (2001:5a0:600:200::5)  104.942 ms  106.728 ms
102.465 ms
 9  2001:5a0:600::5 (2001:5a0:600::5)  107.945 ms  104.898 ms  103.782 ms
10  equinix6-was.ip.tiscali.net (2001:504:0:2::3257:1)  107.448 ms
109.082 ms  107.891 ms
11  equi6ix-ash.ipv6.us.occaid.net (2001:504:0:2:0:3:71:1)  223.532 ms
217.531 ms  218.709 ms
12  unassigned.in6.twdx.net (2001:4830:e6:d::2)  219.648 ms  221.496 ms
 223.614 ms
13  stsc350a-eth3c0.va.neustar.com (2610:a0:c779::fe)  228.079 ms
227.053 ms  226.536 ms
14  www.ietf.ORG (2610:a0:c779:b::d1ad:35b4)  226.191 ms  227.959 ms
219.163 ms


regards,
/virendra

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