Returns the hash value which would be used for \fImac\fR with \fIvlan\fR
and \fIbasis\fR if specified.
.
-.IP "\fBlacp/show\fR \fIport\fR"
+.IP "\fBlacp/show\fR [\fIport\fR]"
Lists all of the LACP related information about the given \fIport\fR:
active or passive, aggregation key, system id, and system priority. Also
lists information about each slave: whether it is enabled or disabled,
whether it is attached or detached, port id and priority, actor
-information, and partner information.
+information, and partner information. If \fIport\fR is not specified,
+then displays detailed information about all interfaces with CFM
+enabled.
.
.so ofproto/ofproto-unixctl.man
.so lib/vlog-unixctl.man