Exact same problem here. Setup worked flawlessly in 15.04, but in 15.10 the default gateway isn't set. After manually adding it, eveything works fine again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1510098 Title: /etc/network/interfaces ipv6 static gateway not set To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1510098/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
