#/usr/local/etc/rc.d/isc-dhcpd restart

Internet Systems Consortium DHCP Server V3.1-ESV
Copyright 2004-2010 Internet Systems Consortium.
All rights reserved.
Usage: dhcpd [-p <UDP port #>] [-d] [-f]
             [-cf config-file] [-lf lease-file]
             [-user user] [-group group]
             [-chroot dir] [-early_chroot]
             [-jail name ip]
                   [-tf trace-output-file]
                   [-play trace-input-file]
             [-t] [-T] [-s server] [if0 [...ifN]]
Internet Systems Consortium DHCP Server V3.1-ESV
Copyright 2004-2010 Internet Systems Consortium.
All rights reserved.
Usage: dhcpd [-p <UDP port #>] [-d] [-f]
             [-cf config-file] [-lf lease-file]
             [-user user] [-group group]
             [-chroot dir] [-early_chroot]
             [-jail name ip]
                   [-tf trace-output-file]
                   [-play trace-input-file]
             [-t] [-T] [-s server] [if0 [...ifN]]
/usr/local/etc/rc.d/isc-dhcpd: ERROR:  Configuration file sanity check failed