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This article mainly explains "what does ICMP mean". Friends who are interested might as well take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what ICMP means.

Internet Control Message Protocol Internet Control message Protocol

ICMP Destination Unreachable packets goal is unreachable

ICMP Time Exceeded packets timeout

Question 1? Why is ping responding and tracert not responding?

Network unreachable code=0

Host unreachable code=1

Protocol unreachable code=2

Transmission timeout code=0

Recombination segmented timeout code=1

At this point, I believe you have a deeper understanding of "what ICMP means". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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