>> Dave Lers composed:
>
>>> I missed the start of this thread so my answer may be clueless. In
>>> Jessie (and other systemd OS's?), static IP and DNS have moved to
>>> /etc/dhcpd.conf.

That should read dhcpcd.conf and the move appears to be Raspbian
Jessie specific (/etc/sysconfig/interfaces "is written to be used with
dhcpcd").