Answer Posted / ravin vasani
Hello,
Internet Control Message Protocol (ICMP)is used for
network error reporting and generating messages that require
attention. The errors reported by ICMP are generally related
to datagram processing.
ICMP only reports errors involving fragment 0 of any
fragmented datagrams. The IP, UDP or TCP layer will usually
take action based on ICMP messages. ICMP generally belongs
to the IP layer of TCP/IP but relies on IP for support at
the network layer. ICMP messages are encapsulated inside IP
datagrams.
"The ping command is also supported by ICMP, and this
can be used to debug network problems."
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