I've verified the fix in proposed using the precise mini.iso. With IPv6 enabled on the router, I was able to duplicate the issue. Reinstalling with proposed enabled in the kernel command-line worked as expected (with IPv4 connectivity).
** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995165 Title: IPv4 connectivity broken after installing from ubuntu-12.04-alternate- amd64.iso To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/995165/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs