[Unit]
Description=Dynamic Host Configuration Protocol (DHCP)
After=syslog.target network.target

[Service]
Type=forking
PIDFile=/var/run/dhclient.pid
EnvironmentFile=-/etc/default/dhcp-client
ExecStart=/sbin/dhclient -cf /etc/dhcp/dhclient.conf -q -lf /var/lib/dhcp/dhclient.leases $INTERFACES

[Install]
WantedBy=multi-user.target