Re: IPv6 in Debian
mh@glandium.org wrote:
>The typical problem, which is what Tomas was pointing at with AAAA
>request being done before A requests, is that if the ipv6 module is
>loaded and you are in a ipv4-only environment, you still get a link
>local ipv6 address, and applications (glibc, actually) think (quite
>rightfully, from their PoV) that you are using ipv6.
>Then you end up doing AAAA requests, which adds delay to getting the
>ipv4 connection, and in the event they end up with some data (for
Hardly measurable. And anyway, even if the Ubuntu patch does not change
this then you can do it yourself with /etc/gai.conf.
>the few sites that have AAAA entries), you even try to connect to an
>impossible to reach ipv6 address.
Yes, which immediately fails because you have no rule for it, so it does
not matter.
>IPv6 enabled by default in a IPv4-only environment is a PitA. And this
>is probably impossible to fix.
I call bullshit. I have had since many years IPv6-enabled systems
which often have only IPv4 connectivity and they work fine without
specific configurations.
--
ciao,
Marco
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