INET6 required for SCTP in 7.0?
Kevin Oberman
oberman at es.net
Thu Mar 6 06:13:42 UTC 2008
> Date: Wed, 5 Mar 2008 13:42:25 -0800
> From: "Peter Wemm" <peter at wemm.org>
> Sender: owner-freebsd-stable at freebsd.org
>
> On Wed, Mar 5, 2008 at 1:39 PM, Peter Wemm <peter at wemm.org> wrote:
> > On Wed, Mar 5, 2008 at 6:32 AM, Mark Andrews <Mark_Andrews at isc.org> wrote:
> > > There is a reasonable chance that this mail will leave here
> > > over IPv6 for some of the recipients. It will almost
> > > certainly travel over IPv6 for at least one hop.
> > >
> > > Mark
> >
> > It did:
> > drugs.dv.isc.org -> IPv6 -> mx1.freebsd.org -> IPv6 -> hub.freebsd.org
> > -> Mailman -> localhost -> hub.freebsd.org -> IPv6 -> mx2.freebsd.org
> > -> IPv6 -> me
> >
> > The only IPv4 hop in this path was when Mailman connected to localhost
> > (127.0.0.1) to reinject the email. And that is because I had
> > 127.0.0.1 hard coded in a config file.
>
> Oh, one more thing. If you are IPv6-enabled, you get to bypass the 10
> minute greylisting delay on mx1.freebsd.org. Your email goes through
> instantly instead of potentially being delayed by 10-30 minutes.
Cool! That explains why most postings seem to take so long.
Hopefully this message made it through with no IPv4 hops.
--
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751
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