.BI "iwspy " interface " [+] " DNSNAME " | " IPADDR " | " HWADDR " [...]"
.br
.BI "iwspy " interface " off"
+.br
+.BI "iwspy " interface " setthr " "low high"
+.br
+.BI "iwspy " interface " getthr"
.\"
.\" DESCRIPTION part
.\"
.TP
.B off
Remove the current list of addresses and disable the spy functionality
-.\"
+.TP
+.B setthr
+Set the
+.I low
+and
+.I high
+signal strength threshold for the iwspy event (for driver that support
+it).
+.br
+Every time the signal strengh for any of the address monitored
+with iwspy goes lower than the low threshold or goes higher than the
+high threshold, a Wireless Event will be generated.
+.br
+This can be used to monitor link outages without having to run iwspy
+periodically.
+.TP
+.B getthr
+Retrieve the current
+.I low
+and
+.I high
+signal strength threshold for the iwspy event.
+\"
.\" FILES part
.\"
.SH FILES
.\"
.SH SEE ALSO
.BR iwconfig (8),
-.BR ifconfig (8),
-.BR iwlist (8).
-.BR iwpriv (8).
+.BR iwlist (8),
+.BR iwevent (8),
+.BR iwpriv (8),
+.BR wireless (7).