Explain meaning of each field format of icmp header, Computer Engineering

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Give the format of ICMP header and explain meaning of each field.

The format of ICMP header is given below:

Internetwork Control Message Protocol (ICMP)

221_ICMP Header and Data.png

ICMP Header and Data

ICMP is an error reporting protocol. It uses IP to transport all errors message. Header of ICMP has an 8-bit integer message TYPE field that identifies the message, an 8-bit CODE field which provides further information regarding the message type and a 16-bit Checksum field.


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