Subj : List of IPv6 nodes
To   : Janne Johansson
From : Janne Johansson
Date : Thu Oct 25 2018 16:04:14

On 2018-10-25 09:06, Janne Johansson : Benny Pedersen wrote:
> On 2018-10-25 00:40, Benny Pedersen : Michiel van der Vlist wrote:
>>  MvdV> and up).  If the destination address is a 6to4 tunnel address
>>  MvdV> (2002::/16) many OSs default to IPv4 if an IPv4 address is
>> present.
>>
>> time to update to a later glibc where ipv6 is prefered over ipv4 failback
>
> I think its mostly a setting in your resolv.conf or similar file to
> change default priority of v4 or v6 and not so much a age-of-glibc issue.

Also, at least OpenBSD (if we are still at 'Many OSes') defaults to
prefer v4, with a resolv.conf option:
family inet6 inet4
to flip it around if you want it the other way around.

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