Which protocol does a router use to inform the source that a destination is unreachable ?

Question List › Category: Networking › Which protocol does a router use to inform the source that a destination is unreachable ?

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milleranthony7 author asked 9 years ago

1 Answers

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jessica537 author answered 8 years ago

Routers use ICMP protocol. Appropriate ICMP messages like ICMP destination

unreachable / host unreachable is send to the initiator.

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