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noob2018-09-11 20:43:59
Software testing
noob, 2018-09-11 20:43:59

What is Loopback Test(s)?

There are problems with the Internet (speed dropped by 10 times). I ran tests with the Intel driver and there is such an error. What does she mean? What is Loopback Test(s)?
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Alexey Cheremisin, 2018-09-11
@leahch

This error means that in order to test the adapter (which most likely has nothing to do with it), you need to make a special loopback cable, which you can insert into the connector of the tested card.
5b980aa27f146617669167.gif(from here, but in other places there is also a wiring https://www.juniper.net/documentation/en_US/junos/...
If there are problems with the Internet, then call the provider for debriefing.

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jcmvbkbc, 2018-09-11
@jcmvbkbc

loopback test in network cards is a test in which the transmitter is connected to the receiver inside the network card (internal loopback - everything except the physical interface is tested) or outside (external loopback - everything is tested).

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