Friday, August 13, 2021

When would you ping 127.0.0.1?

I'm studying for my CCNA, a few lessons into Niel Anderson's Udemy course he talks about the 127.0.0.0/8 range being reserved for localhost. He also mentions that you can ping this address range to check that TCP/IP is functional on the pinging computer.

When would you ever need to test this? In what situation would TCP/IP not be functional?



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