These simple, inexpensive Ethernet jack/plug combinations used for loopback testing and to convert a standard Ethernet cable to a crossover cable are a no-brainer. Every network person should have one ...
The PCIe specification has given a specific Link Training and Status State Machine (LTSSM) state named Loopback, which is intended for test and fault isolation use. Basically, it gives a mechanism ...
Pretty amazing, really. I discovered a neat feature with Virtual Server recently – the loopback adapter. We have been using virtualization for a while now. For non-Microsoft courses we use VMWare.
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