[pydotorg-www] Fwd: website and ipv6

Doug Hellmann doug.hellmann at gmail.com
Sat Nov 27 13:17:55 CET 2010


On Nov 26, 2010, at 7:37 PM, Martin v. Löwis wrote:

>> The problem I had was a very long timeout while the IPv6 connection
>> failed, leading to the perception that python.org was responding very
>> slowly.  Disabling IPv6 meant the client went directly to IPv4,
>> bypassing the timeout.
> 
> This is not supposed to happen. The fallback should be immediate; no
> packet should be sent even to the local ethernet. So there is likely
> some misconfiguration in the local network going on.

Possibly.  *Probably.*  However, it was only a problem for python.org.  It may be that most of the other sites being accessed just didn't have IPv6 addresses, but I don't know that for sure.

Doug



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