What is a CRC Error and How to Find the Faulty Link Before It Slows the Business
Why does a switch port look healthy on every dashboard while people on that floor keep reporting dropped calls and slow file transfers? Often the cause is CRC errors, a port counter that most dashboards do not show by default. Each CRC error means a unit of data arrived damaged and the switch discarded it. Put simply, a CRC error tells you the receiving device noticed the data changed somewhere in transit.