+.SS "OpenFlow Options"
+.TP
+\fB\-\-datapath\-id=\fIdpid\fR
+Sets \fIdpid\fR, which must consist of exactly 16 hexadecimal digits
+and may not be all-zero,
+as the datapath ID that the switch will use to identify itself to
+OpenFlow controllers.
+.IP
+If this option is omitted, the default datapath ID is taken from the
+Ethernet address of the datapath's local port (which is typically
+randomly generated) in the lower 48 bits and zeros in the upper 16.
+.
+.TP
+\fB\-\-mfr\-desc=\fIdesc\fR
+Set the description of the switch's manufacturer to \fIdesc\fR, which
+may contain up to 255 ASCII characters.
+.
+.TP
+\fB\-\-hw\-desc=\fIdesc\fR
+Set the description of the switch's hardware revision to \fIdesc\fR, which
+may contain up to 255 ASCII characters.
+.
+.TP
+\fB\-\-sw\-desc=\fIdesc\fR
+Set the description of the switch's software revision to \fIdesc\fR, which
+may contain up to 255 ASCII characters.
+.
+.TP
+\fB\-\-serial\-desc=\fIdesc\fR
+Set the description of the switch's serial number to \fIdesc\fR, which
+may contain up to 31 ASCII characters.
+.
+.TP
+\fB\-\-dp\-desc=\fIdesc\fR
+Set the description of the datapath to \fIdesc\fR, which may contain up to
+255 ASCII characters. Note that this field is intended for debugging
+purposes and is not guaranteed to be unique and should not be used as
+the primary identifier of the datapath.
+.