Even a well-designed network can experience hardware or cabling faults over time. This episode breaks down common problems such as broken connectors, bent pins, cable kinks, and worn insulation. We explain how these physical issues translate into dropped packets, CRC errors, and link flapping. Recognizing these symptoms early helps prevent widespread outages.

We also cover faulty hardware including bad transceivers, power fluctuations, and port failures on switches or NICs. Troubleshooting these components requires observation, testing, and substitution techniques. This episode gives you the eyes and instincts to recognize failing hardware before it takes down a critical link.