This guide outlines steps to validate Cisco SPAN configurations before connecting Dragos Sensors to ensure OT network traffic is captured correctly. It recommends reviewing packet captures, confirming configuration accuracy, and examining network topology to identify proper source and destination ports. Following change control processes is essential to avoid unintended impacts, as sample commands must be adapted to each environment. Understanding the network layout and verifying SPAN behavior help ensure accurate visibility into OT traffic and support effective monitoring and security operations.

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