Oracle Solaris 11.4 DTrace (Dynamic Tracing) Guide DTrace Providers Network and Network Service Protocol Providers icmp Provider ICMP Probes ICMP Probes The icmp probes are: send Probe that fires whenever ICMP sends a message. receive Probe that fires whenever ICMP receives a message. The send and receive probes cover ICMP messages on IP interfaces, and cover both IPv4 and IPv6 ICMP traffic.