[Unit]
Description=DHCPv6 Server Daemon
After=syslog.target network-online.target
Wants=network-online.target

[Service]
Environment=CONFIGFILE=/etc/dhcpd6.conf LEASEFILE=/var/lib/dhcpd/dhcpd6.leases
EnvironmentFile=-/etc/sysconfig/dhcpd6
Type=forking
PIDFile=/run/dhcpd/dhcpd6.pid
ExecStart=/usr/sbin/dhcpd -6 -pf /run/dhcpd/dhcpd6.pid -cf $CONFIGFILE -lf $LEASEFILE $OPTIONS $INTERFACES

[Install]
WantedBy=multi-user.target