This white paper explains how network TAPs provide reliable, line-rate access to traffic for performance monitoring, cybersecurity, VoIP analysis, lawful interception, troubleshooting, and forensic investigations. TAPs are installed at critical physical or virtual capture points and create an exact traffic copy without consuming switch resources or altering production data. The paper contrasts TAPs with SPAN ports, which may lose packets, reorder traffic, and expose networks to additional risks. It reviews copper, fiber, aggregation, regeneration, secure, data-diode, bypass, and virtual TAPs. Key benefits include fail-safe operation, physical isolation, link-failure propagation, media conversion, optical security, flexible split ratios, traffic replication, and protection for inline tools.

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