I have the same problem, in brasil. If i undertand, the ethernet board works, and the DNS were found by the DHCP, but you may note navigate...
I have a similar problems, with sabayon and many other distros... my net is atributed by DHCP ( auto), but it works over a pppoe protocol.... I cannot be uvble to run the pppoe-config command.... I do not any window, for digit the login os password, and therefore, cabnt connect!
ALBERTO FEDERMAN NETO
Favorite Distros: Sabayon, Gentoo, Mageia and OpenSUSE