Using the command line interface (CLI) : diagnose : diagnose tcpdump status
 
diagnose tcpdump status
Allows you to view the current status of the tcpdump packet analyzer.
Syntax
diagnose tcpdump status
Example
FD-1KC # diagnose tcpdump status
Tcpdump is not running.
See also
execute backup fd-tcpdump
execute backup-remove fd-tcpdump
diagnose tcpdump start|stop