[CentOS] Yum Weird Message

Mon Dec 28 22:10:21 UTC 2015
Marcelo Roccasalva <marcelo-centos at irrigacion.gov.ar>

On Mon, Dec 28, 2015 at 5:24 PM, Alice Wonder <alice at domblogger.net> wrote:
> I ran into this exact issue last night -
> http://www.iotti.biz/?p=433
> When a computer is connected via IPv4 but the IPv4 a repo host connects to is not available, yum then tries the IPv6 address and will fail with a confusing message telling you it failed to connect to the IPv6 address.
> I don't know if there is a way for yum to figure out whether the current network connection to the Internet is IPv4 or IPv6.
> But if there is a way, it might make a usability improvement. A lot of people have no idea what IPv6 is and would be confused.
> I was confused myself at first, wondering if DHCP pulled in IPv6 from the router.

If your DNS answers IPv6, it will have prefence over IPv4. You can set
 ip_resolve=4 in your yum.conf


"¿No será acaso que esta vida moderna está teniendo más de moderna que de
vida?" (Mafalda)