On Mon, Aug 13, 2012 at 10:54:28PM +0200, Per Olofsson wrote: > I recently configured IPv6 connectivity on my system using 6to4 on my > router. It works, except that getaddrinfo() sorts IPv4 addresses > before IPv6 addresses, which means that IPv4 is used if the remote > host has both IPv4 and IPv6.
This is expected behaviour if you are using 2002::/16 addresses: | Rule 7: Prefer native transport. | If DA is reached via an encapsulating transition mechanism (e.g., | IPv6 in IPv4) and DB is not, then prefer DB. Similarly, if DB | is reached via encapsulation and DA is not, then prefer DA. > $ getent ahosts www.debian.org > 86.59.118.148 STREAM www.debian.org > 86.59.118.148 DGRAM > 86.59.118.148 RAW > 2001:858:2:2:214:22ff:fe0d:7717 STREAM > 2001:858:2:2:214:22ff:fe0d:7717 DGRAM > 2001:858:2:2:214:22ff:fe0d:7717 RAW | $ getent ahosts www.debian.org | 2001:858:2:2:214:22ff:fe0d:7717 STREAM www.debian.org | 2001:858:2:2:214:22ff:fe0d:7717 DGRAM | 2001:858:2:2:214:22ff:fe0d:7717 RAW | 86.59.118.148 STREAM | 86.59.118.148 DGRAM | 86.59.118.148 RAW Bastian -- Vulcans do not approve of violence. -- Spock, "Journey to Babel", stardate 3842.4 -- To UNSUBSCRIBE, email to debian-glibc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120814103823.ga8...@wavehammer.waldi.eu.org