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What is ICMP Protocol and ping?

April 26, 2017ICMP ping Protocol

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What is ICMP Protocol and ping?

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ICMP stands for Internet Control Message Protocol, it is a Network layer of Internet protocol that reports errors and provides other information relevant to IP packet processing. ICMP sends the following messages: Flow Control, Destination Unreachable, Redirecting Routes and Echo Message. For example, the UNIX command Ping is based on ICMP to test whether a particular computer is connected to the Internet.