On Thu, Sep 06, 2018 at 05:33:39PM +0000, Bonno Bloksma wrote: > Sep 06 17:47:42 linom1 isc-dhcp-server[1668]: Launching both IPv4 and IPv6 servers (please configure INTERFACES in /etc/default/isc-dhcp-server if Please edit the file above and place your network interfaces there. best regards Ulf