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 at gmail.com
Wed May 30 20:10:23 UTC 2007
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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
- -------------------------------
that was quick, although I tunneling via freenet6.
vrode at 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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