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List: unbound-users
Subject: Re: unbound flooding syslog with 'sendto failed: Cannot assign requested address'
From: Hendrik Jaeger via Unbound-users <unbound-users () unbound ! net>
Date: 2015-10-22 10:44:46
Message-ID: 20151022124446.3f0d3e4a () frustcomp ! home ! hnjs ! ch
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Hi Wouter
On Fri, 16 Oct 2015 13:28:12 +0200
"W.C.A. Wijngaards via Unbound-users" <unbound-users@unbound.net> wrote:
> > IPv6 is disabled on this system, it has neither an IPv6 address on
> > any interface nor a route set.
>
> Unbound does not know IPv6 is disabled, so it tries. The failure is
> harmless (apart from annoying with a log message in this unbound
> version you are using). You could do-ip6: no in unbound.conf to make
> the log messages go away. Or upgrade to a newer version.
Ah, that explains it, and probably solves it, thanks.
> Well if you disable IPv6 and then ::1 does not exist, then you'd also
> have to disable ::1 for unbound, i.e. do-ip6: no. In any case, you
> could either disable ipv6 for unbound, or configure it with 127.0.0.1
> as the interface to bind to with interface: and control-interface:.
Seems I only did that for interface: but missed control-interface:
because it did not show up at all in the config …
> In later versions of unbound this error may also go away, but there
> have been many releases in the meantime, so I am not sure. (it would
> detect ipv6 is disabled and not fail and not bother you about it).
Nice.
> Apart from all of the above, would you enable IPv6? This is not to
> fix the issue you have with your Unbound configuration, but because
> IPv6 is necessary for connecting future internet users?
Generally yes. I have been using IPv6 since 2009 both on my server and
at home. Some time this year I got a new uplink at home and with that a
new router from mikrotik. I ran into some kind of bug with
autoconfiguration though which might be the issue explained in [0]. I
didn't have the time to figure that out exactly at the time and just
disabled IPv6 altogether. I reenabled it now after upgrading to a new
routeros firmware and will see how it turns out.
I appreciate you asking the question like you did! IPv6 needs more
proponents and implementors. Things have been going way too slow!
[0]: http://forum.mikrotik.com/viewtopic.php?t=77404
Thank you very much and best regards
henk
--
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