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user 24378
For questions about interface errors on a network device. For instance, you have an interface with a lot of input errors, but you don't know how to troubleshoot it.
2
votes
4
answers
2k
views
Why are there error detection methods in almost every layer of a network?
What is the purpose of checking errors in almost every layer of a network?
For example, I don't see the purpose of using a checksum in TCP given that CRC has already been checked in lower layers. …
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