# sacadm -a -p tcp -t listen -c /usr/lib/saf/listen -v `nlsadmin
-V` -y "le0 ethernet"

-a

The add port monitor flag

-p

Specifies the pmtag tcp as the port monitor tag

-t

Specifies the port monitor type as listen

-c

Defines the command string used to start the port monitor

-v

Specifies the version number of the port monitor

-y

Defines a comment to describe this instance of the port monitor