Configuration Using Web Based Management and the Command Line Interface 
Operating Instructions SCALANCE W78x 
C79000-G8976-C184-07 
221 
Syntax of the Command Line Interface 
CLI\IFEATURES\LINKCHECK> 
Command Description Comment 
linkchk [E|D] 
Enable / disable device-related 
connection monitoring. 
 
add <MAC> [timeout] 
Adds a new MAC address for 
connection monitoring and specifies 
the monitoring time. No time is 
specified, the default is 500 ms. 
 
edit <Index|MAC>  [E|D] 
[timeout] 
Modifies, enables, or disables an 
entry. 
 
delete   <Index|MAC> 
Deletes the specified entry from the 
list. 
 
clearall 
Deletes all entries for connection 
monitoring. 
 
acknow [Index|all] 
Displays or acknowledges (clears) 
the Link Check messages requiring 
acknowledgment. 
The fault state remains 
active until all the fault 
messages have been 
acknowledged. Default 
status and the LED are 
cleared if the reason for 
default status was only a 
link check error message.