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ICMP - or if a more efficient route is found.“Router...

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What is ICMP and how does it work? ICMP stands for Internet Control Message Protocol. We use ICMP with the IP protocol to provide information to the user about IP communication.“Destination Unreachable,” Type 3, Message sent if packet cannot reach destination network, host IP, or designated port number.“Redirect,” Type 5, Message sent if obstruction is found in the default route,
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Unformatted text preview: or if a more efficient route is found.“Router Advertisement,” Type 9, Router will broadcast its presents to all devices physically connected to it. Hosts that receive the message will acknowledge the router’s existence and be able to use it as another path....
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