@clge: Can you please provide your configuration file? You can establish IPv4 connection to your IPv6 server with http://cloudflare.com -> HowTo: http://forum.lowendspirit.com/viewtopic.php?id=441.
IPv4 Download: http://pogoplug.cwsurf.de/modules-sound-2.6.32-ppv3-classic-zram-1.1.tbz
IPv4 Download: http://pogoplug.cwsurf.de/modules-sound-2.6.32-ppv3-classic-zram-1.1.tbz