default, \fB\*(PN\fR listens for connections to any local IP address,
but \fIip\fR may be specified to listen only for connections to the
given \fIip\fR.
-
+.
.IP "\fBptcp:\fR[\fIport\fR][\fB:\fIip\fR]"
Listens for OpenFlow TCP connections on \fIport\fR (default: 6633).
By default, \fB\*(PN\fR listens for connections to any local IP
address, but \fIip\fR may be specified to listen only for connections
-to the given \fIip\fR.
-
+to the given \fIip\Ar.
+.
.IP "\fBpunix:\fIfile\fR"
Listens for OpenFlow connections on the Unix domain server socket
named \fIfile\fR.