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Auto-partitioning, in networking, is an Ethernet component used as a safety net to prevent corrupt data transmission and data loss while isolating defective devices, ports, or network lines. When a defect is identified, such as a detached port, data collision, defective wiring or a jammed signal, the faulty element is automatically partitioned to prevent further network corruption.
Auto partitioning isolates defective data from all device and network traffic and safeguards systems while defects are corrected. For example, a malfunctioning network interface card (NIC) may be partitioned from all interface and communication sources. Another example is a faulty network line or node.
A prime example of a network malfunction is a collision, which occurs when multiple devices in a network attempt to transmit data simultaneously.