[ietf81-tech] Reachability for 2001:df8::/32 via NET6-2001-450-1

[Bill Fenner]

Hi,

We're turning up the network for the IETF meeting in Quebec City, CA.
We're advertising 2001:df8::/32 from AS56554.  We're seeing a loop
trying to reach this destination through what appears to be your
network:

zap% traceroute6 management.meeting.ietf.org
traceroute to management.meeting.ietf.org (2001:df8::1:12) from
2607:f598:0:2::1:1, 30 hops max, 24 byte packets
 1  2607:f598:0:2:ffff:ffff:ffff:1 (2607:f598:0:2:ffff:ffff:ffff:1)
0.276 ms  0.354 ms  0.407 ms
 2  2001:450:2002:b3::1 (2001:450:2002:b3::1)  1.941 ms  1.724 ms  1.966 ms
 3  2001:450:2001:8008::1 (2001:450:2001:8008::1)  12.852 ms  18.233
ms  10.291 ms
 4  2001:450:2001:8008::2 (2001:450:2001:8008::2)  10.009 ms  9.774 ms
 10.035 ms
 5  2001:450:2001:8008::1 (2001:450:2001:8008::1)  22.816 ms  11.818
ms  9.897 ms
 6  2001:450:2001:8008::2 (2001:450:2001:8008::2)  10.445 ms  9.779 ms  9.988 ms
 7  2001:450:2001:8008::1 (2001:450:2001:8008::1)  9.965 ms  9.791 ms  23.245 ms
 8  2001:450:2001:8008::2 (2001:450:2001:8008::2)  10.348 ms  10.594
ms  10.037 ms
 9  2001:450:2001:8008::1 (2001:450:2001:8008::1)  10.413 ms  10.152
ms  14.392 ms
...

>From the other direction:


[fenner at management ~]$ traceroute6 electricrain.com
traceroute6 to electricrain.com (2607:f598:0:2::1:1) from
2001:df8:0:5::12, 64 hops max, 12 byte packets
 1  2001:df8:0:5::2  1.591 ms  0.601 ms  0.625 ms
 2  2001:df8:0:4::3  0.645 ms  0.599 ms  0.617 ms
 3  2001:4958:10:1::1  0.645 ms  0.847 ms  0.666 ms
 4  2001:4958:1:1::4  4.991 ms  4.850 ms  4.645 ms
 5  POS3-0.core2.NTO-NewYork.ipv6.as6453.net  12.141 ms  11.957 ms  12.839 ms
 6  if-11-0-0.core3.NTO-NewYork.ipv6.as6453.net  24.130 ms  21.525 ms  22.626 ms
 7  2001:5a0:a00:200::3e  21.819 ms  21.917 ms  22.770 ms
 8  2001:450:2001:8009::2  21.987 ms  26.122 ms  22.039 ms
 9  * * *

Can you help to resolve this?

Thanks,
  Bill