The Internet Control Message Protocol (ICMP)
In this lesson, we'll study ICMP, the network layer's error reporting protocol.
We'll cover the following
What Is ICMP?
It’s sometimes necessary for intermediate routers or destination hosts to inform the sender of a packet about any problems that occur while processing it. In the TCP/IP protocol suite, this reporting is done by the Internet Control Message Protocol (ICMP). ICMP is defined in RFC 792.
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