Check manual page of check_icmp
ICMP Echo Request (Ping)
This performs an active check with a ICMP Echo Request (Ping)
It can check round trip times against given thresholds. It can also check packet
loss against given thresholds.
Returns WARN or CRIT if round trip times or packet loss is above given levels.
Returns CRIT if receiving ICMP Host unreachable messages.
This check can be configured by Wato.
No discovery supported.