Kenyon Ralph <kenyon@kenyonralph.com> writes:
> On 2011-06-01T18:07:26-0300, Henrique de Moraes Holschuh <hmh@debian.org> wrote:
>
>> 8 hops to get to shein, and *59* hops to get back?!
>>
>> That path is hopelessly broken. In fact, this is so weird I'd guess
>> something is screwing up the TTL fields in the way.
>
> That's usual. Most of the "back" numbers reported by tracepath and
> tracepath6 are in the vicinity of 59, yet this causes no breakage
> elsewhere. I even have a "back 59" to shub-niggurath.unzane.com from
> another he.net IPv6 tunnel:
>
Interesting, I tried tracepath6 to various hosts and I get 'back 51' or
higher as well. Except what does the "!A" mean in this case?:
% tracepath6 a.root-servers.net
1?: [LOCALHOST] 0.027ms pmtu 1480
1: shub-niggurath.unzane.com 2.707ms
1: shub-niggurath.unzane.com 0.179ms
2: gturner-1.tunnel.tserv14.sea1.ipv6.he.net 6.615ms
3: gige-g2-6.core1.sea1.he.net 5.578ms
4: 10gigabitethernet9-1.core1.sjc2.he.net 32.304ms
5: 10gigabitethernet3-2.core1.pao1.he.net 34.998ms
6: verisign.com 28.741ms !A
Resume: pmtu 1480
--
Gerald Turner Email: gturner@unzane.com JID: gturner@unzane.com
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