Internet Control Message Protocol (ICMP)

IP uses ICMP to transfer control messages between IP hosts. ICMP is part of the InternetProtocolFamily.

History

The RFC792 "INTERNET CONTROL MESSAGE PROTOCOL" was released in September 1981.

Protocol dependencies

• IP: ICMP is part of IP and uses IP datagrams for transport. The assigned protocol number for ICMP on IP is 1.

Example traffic

Wireshark

ICMP dissector is fully functional.

Preference Settings

There are no preference settings for ICMP.

Example capture file

ICMP.pcap

Display Filter

A complete list of ICMP display filter fields can be found in the display filter reference

Show only the ICMP based traffic:

 icmp

Capture Filter

Capture only the ICMP based traffic:

 icmp

External links

• RFC792 INTERNET CONTROL MESSAGE PROTOCOL

Discussion

Imported from https://wiki.wireshark.org/Internet_Control_Message_Protocol on 2020-08-11 23:15:08 UTC