-t host host ip address to send ping requests to. This option is mandatory!
-r send a single test icmp request containing the string "Test1234" and then quit.
This is for testing the connection.
-d milliseconds delay between requests in milliseconds
-o milliseconds timeout of responses in milliseconds. If a response has not received in time,
the slave will increase a counter of blanks. If that counter reaches a limit, the slave will quit.
The counter is set back to 0 if a response was received.
-b num limit of blanks (unanswered icmp requests before quitting
-s bytes maximal data buffer size in bytes