I stumbled over this as well. Fortunately we use Ubuntu 12.10, so I could use the "accept_ra 1" workaround to fix the issue (missing default routes when using stateful DHCPv6 to obtain address).
But, on POLA grounds, I agree with Ray Soucy (rps-u) that The accept_ra option should default to 1 not 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1013597 Title: No default route for stateful DHCPv6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1013597/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs