A usage message will be generated if:
Conflicting cftool options are specified (some options are mutually exclusive).
An invalid cftool option is specified.
No cftool option is specified.
The "-h" option is specified.
usage: cftool [-c][-l][-n][-r][-d][-v][-p][-e][-i nodename][-A cluster][-T timeout]
[-F][-C count][-I nodename][-E xx.xx.xx.xx.xx.xx][-P][-m][-u][-k][-q][-h]
-c clustername
-l local nodeinfo
-n nodeinfo
-r routes
-d devinfo
-v version
-p ping
-e echo
-i icf stats for nodename
-m mac stats
-u clear all stats
-k set node status to down
-q quiet mode
-h help
-F flush ping queue. Be careful, please
-T timeout millisecond ping timeout
-I raw ping test by node name
-P raw ping
-A cluster ping all interfaces in one cluster
-E xx.xx.xx.xx.xx.xx raw ping by 48-bit physical address
-C count stop after sending count raw ping messages
A device can ether be a network device or an IP device like /dev/ip[0-3] followed by the IP address and broadcast address number.
Specify an IP address and broadcast address after a device name.
